CGS1000: Computer Exam Flashcards
206 test answers
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Which of the following is NOT an optical storage device
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Flash drive
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Which of the following statements about flash memory is FALSE
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A flash drive is needed to read a flash memory card.
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Bit is short for ________
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binary digit
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Computer systems always include ________ devices for permanent storage of instructions and data. (1 point)
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nonvolatile storage
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All of the following are web browsers EXCEPT ________.
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Linux
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A single forward slash and additional text following the domain name in a URL, specifies a particular ________. (1 point)
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its either file or pathdomain web page outside of the existing website
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The Better Business Bureau seal on a website indicates
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third-party verification
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Which of the following is the smallest unit of measure?
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megabytes
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A specialty search engine is a(n) _______
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search engine that searches only sites that are relevant to a particular topic
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What is a specialty search engine?
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Searches only sites deemed appropriate to an interest or industry
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A printer's resolution is measured in
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dpi
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Which of the following statements about CPU speed is FALSE
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It is also called kernel speed.
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Computers work only with
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binary numbers
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On secure websites, http changes to _
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https
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Which of the following optical storage devices holds the most high-definition video? (1 point)
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BD
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A kilobyte holds ________ bytes of data
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1,024
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The representation of a fact, figure, or idea is called
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data
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The amount of RAM recommended for most systems today is measured in ________. (1 point)
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gigabytes (GB)
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Which of the following is NOT a good method to evaluate a website as appropriate for research? (1 point)
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Using an ecommerce website
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________ floods a computer with requests until it shuts down denying access to legitimate users. (1 point)
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A DoS attack Port blocking A polymorphic virus
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Which of the following statements is FALSE?
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A single bit can represent a single letter. Everything a computer does is broken down into a series of 0s and 1s. Bit is short for binary digit.
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Which of these is NOT a specialty search on Google? (1 point) Incorrect answer
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Finance Fashion Scholar
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Data that has been organized is called ________
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information
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How do metasearch engines work?
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They search other search engines' results.
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Which of the following is an example of a click-and-brick business?
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Barnes and Noble
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packet filtering
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method for selectively allowing certain requests to access a port
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zombie
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a computer controlled by a hacker
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firewall
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hardware or software for protecting computers from hackers
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network address translation
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technique of assigning hidden internal IP addresses to protect a network against hackers
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packet sniffer
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program used by hackers to look at individual packets as they travel on the Internet
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Match each of the following terms to its meaning: (5 points) random access memory
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temporary storage space
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nonvolatile storage
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permanent storage
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ALU
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performs calculations and makes logic and comparison decisions
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motherboard
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primary circuit board
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Which of the following is a program that appears to be something useful or desirable but does something malicious in the background?
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a trojan horse
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A computer program that attaches itself to another computer program and attempts to spread itself to other computers when files are exchanged is called a
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virus
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A virus that is triggered when certain logical conditions are met, such as opening a file or starting a program a certain number of times is called a
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logic bomb
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Which of the following is NOT routinely scanned by antivirus software? (1 point)
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spam? not email
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A virus that is triggered by the passage of time is called a
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time bomb
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A ________ is a small program that executes without your knowledge when you enter a website.
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script
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A program that executes whenever a computer starts up, ensuring that the virus will be loaded into memory immediately, even before some virus protection programs can load is called a
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boot-sector virus
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Which of the following virus types uses the address book in the victim's e-mail system for distribution?
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E-mail virus
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Which of the following are considered slightly different from viruses as they can run independently of host file execution?
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Worms
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Which of the following virus types infects your computer by running a program that searches for common types of data files (such as a Microsoft file) and compresses them using a complex encryption key that renders your files unusable?
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Encryption
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worm
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attempts to travel between systems through network connections to spread an infection
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Trojan horse
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appears to be something useful but does something malicious in the background
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logic bomb
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executes when a certain condition is met
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encryption virus
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a program that renders your computer files unusable by compressing them
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polymorphic virus
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a virus that changes its own code to avoid detection
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One byte is equal to ________
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8 bits of data
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A bit consists of a ________
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0 or a 1
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Which of the following CANNOT be represented by a single byte
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A word such as Tom
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Bit is short for
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binary digit
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Computers work only with ________
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binary numbers
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A kilobyte contains approximately one ________ bytes of data.
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thousand
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A megabyte holds approximately ________ bytes of data
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1,000,000
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8) Eight binary digits is equal to ________
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1 byte
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9) Which of the following statements is FALSE?
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a single bit can represent a single letter
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A kilobyte holds ________ bytes of data.
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1024
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Which of the following is the largest unit of measure?
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petabyte
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How many bits does it take to spell the word yes?
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24
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Which of the following is NOT an example of data?
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A report
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Data that has been organized is called
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information
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Computers use ________ language to process data at the most basic level.
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binary
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In reference to units of measurement, KB stands for
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kilobyte
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In reference to units of measurement, GB stands for
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gigabyte
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Processor speeds are measured in units of
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megahertz
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terabyte
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more than one trillion bytes
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bit
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0 or 1
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byte
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8 binary digits
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hertz
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hertz
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megabyte
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greater than a kilobyte
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Two of the most important factors to consider when choosing an LCD monitor are its resolution and ________.
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aspect ratio
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With a liquid crystal display (LCD) monitor, what causes images to be displayed on the screen?
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An electric current passing through the liquid crystal solution and moving the crystals to either block the fluorescent light or let the light shine through
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An LCD screen is composed of a fixed grid of ________.
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pixels
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The colors displayed by an LCD monitor are made by combining which of the following colors?
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Red, blue, and green
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An LCD's viewing angle is measured in ________
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degrees
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A monitor's ________ is a measure of the difference in light intensity between the brightest white and the darkest black colors.
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contrast ratio
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A printer's resolution is measured in
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dpi
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Speed for printers is measured in
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ppm
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To accommodate HD format video, new monitors have an aspect ratio of
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16:9
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The resolution of a monitor has to be at least ________ to play a Blu-ray movie.
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1920 × 1080
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Response time refers to the amount of time it takes ________.
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for a pixel to change color
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Flat-panel monitors are also called ____ monitors
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not lcd
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Images are created on an LCD monitor using millions of tiny dots known as
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pixels
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A(n) printer uses toner rather than wet ink.
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laser
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An inkjet printer sprays ink onto the page and is an example of a(n)
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not laser
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The of a monitor tells how far you can move to the side, above, or below the monitor before the image quality degrades to unacceptable levels.
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viewing angle
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A(n) printer works either by melting wax-based ink onto ordinary paper or by burning dots onto specially coated paper.
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not inkjet
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LCD stands for
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liquid crystal display
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contrast ratio
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the difference in light intensity between the brightest white and the darkest black colors a monitor can produce
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brightness
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measured as candelas per square meter
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viewing angle
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tells how far you can move to the side, above, or below a monitor before the image quality degrades below acceptable levels
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response time
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how long it takes a pixel to change color
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resolution
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number of pixels displayed on a screen
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printer speed
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measured in ppm
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printer resolution
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measured in dpi
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inkjet printers
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affordable and produce photo-quality images
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all-in-one
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combines the functions of a printer, scanner, copier, and fax into a single machine
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laser printers
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generally produce the highest quality printouts
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________ usually have the largest storage capacity of any storage device inside the computer.
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hard drives
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Which of the following statements about your computer's primary hard drives is FALSE?
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Internal hard drives use a laser to read and write data.
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Which of the following is NOT an optical storage device?
answer
flash drive
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Which of the following optical storage devices holds the most high-definition video?
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BD
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You can increase the number of USB ports on your computer by adding a(n) ________.
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expansion hub
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Which of the following ports do you need to use with a home theater system?
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NOT DVI
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Which of the following ports has the fastest data transfer rate?
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NOT FIREWIRE
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Which of the following storage devices has the most capacity?
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BD
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Which of the following statements about flash memory is FALSE?
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A flash drive is needed to read a flash memory card.
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are the places that peripheral devices attach to the computer.
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ports
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Which of the following ports are used to connect a computer to a cable modem or to a network?
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ethernet
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memory cards are removable storage devices that let you transfer digital data to a computer.
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flash
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A high-capacity --- hard drive is a viable, portable option for backing up the data on your computer's primary hard drive.
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external
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Flash drives plug into a(n) port on a computer.
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not usb
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Blu-ray and DVDs are referred to as --- media.
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optical
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The most common ports used to connect input and output devices are ports.
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not usb
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services allow you to keep your files on the Internet so you can access your files from any computer.
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cloud
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A(n) is also referred to as a jump drive, USB drive, or flash drive.
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not thumbdrive
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usb
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commonly used for connecting input and output devices
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ethernet
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used to connect a computer to a network
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DVI
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commonly used to connect projectors to a computer system
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VGA
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commonly used to connect CRT monitors in older systems
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HDMI
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used for home theater systems
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The CPU includes which two sections?
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The control unit and the arithmetic logic unit
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A CPU's clock speed, is measured in
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gigahertz (GHz)
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The percentage of time your CPU is working is referred to as CPU ________.
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usage
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The amount of RAM recommended for most systems today is measured in
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gigabytes (GB)
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Which of the following does NOT determine CPU performance?
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Amount of nonvolatile memory
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Computer systems always include ________ devices for permanent storage of instructions and data
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nonvolatile storage
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Cache memory is
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a type of random access memory that is more accessible to the CPU than regular RAM
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The CPU is located on the computer's
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motherboard
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The small circuit boards that hold a series of RAM chips are called
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memory modules
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The sequence of stages which process a single computer instruction is called the
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machine cycle
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Which of the following statements about CPU speed is FALSE?
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It is also called kernel speed.
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random access memory
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temporary storage space
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physical memory
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the amount of RAM sitting on memory modules
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2) A(n) ________ performs the same kind of computational work that a CPU performs but is specialized to handle 3-D graphics and image and video processing.
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GPU
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Which of the following is NOT a type of optical media?
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eSATA
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An expansion card that translates binary data into images is a(n) ________ card.
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video
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GPU
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special processor for images and 3-D graphics
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video adapter
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expansion card used to translate binary data into images
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DVI
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port used for digital lcd connection
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HDMI
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port used for connecting gaming consoles
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eSATA
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can be used to connect external hard drive
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USB 3.0 transfer rate
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5 Gbps
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DVD storage capacity
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7 GB of data
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Blu-ray storage capacity
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50 GB of data
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USB 2.0 transfer rate
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400 Mbps
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eSATA transfer rate
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6 gpbs or less I guess
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Which of the following does NOT indicate that a website is secure?
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The Microsoft seal displayed on the toolbar.
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On secure websites, http changes to
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https
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Which of the following statements about assessing website security is TRUE?
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Just because a website has a return policy, it does not mean online transactions are secure (I think)
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The Better Business Bureau seal on a website indicates
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third-party verification
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Which of the following is NOT a suggested way to protect yourself when shopping online?
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You should use a debit card.
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is the e-commerce term for transactions that take place between a business and other businesses.
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B2B
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Which of the following is an example of a click-and-brick business
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Barnes N Nobles
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Which of the following is a popular example of a C2C site?
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eBay
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Which of the following statements is FALSE regarding safety and e-commerce?
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idk its not a closed padlock
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B2C
answer
transaction performed between a customer and an online store
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e-commerce
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business conducted online
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c2c
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transaction between two people at an online auction site
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https
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secure sockets layer protocol prefix.
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social commerce
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uses social networks to assist in marketing and purchasing products
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A website's URL can identify all of the following things EXCEPT the ________.
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browser required to view the website
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The first part of a URL, such as http:, indicates the set of rules, or ________, used to retrieve the specified document
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(protocol)
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Which of the following is an example of a subdirectory in a URL?
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(prenhall.com/tia)
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Which of the following is the correct way to indicate a URL?
answer
https://www.microsoft.com
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Which of the following parts of a URL indicates the type of organization a host is?
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Correct answer Top-level domain
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A single forward slash and additional text following the domain name in a URL, specifies a particular
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file or path
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Which of the following is NOT an approved top-level domain?
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.htm
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In the URL https://www.senate.gov/general, general is the
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path or subdirectory
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In the URL https://www.senate.gov/committees/committees_home.htm, .gov is the _______
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top-level domain
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All of the following are web browsers EXCEPT
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linux
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apple
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is the default browser for Mac computers
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si.edu
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domain
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exhibitions
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folder or subdirectory
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https://
answer
protocol
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.edu
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top-level domain
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What is a specialty search engine
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Searches only sites deemed appropriate to an interest or industry
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Which is NOT an example of a keyword search strategy to get more specific results?
answer
Using a metasearch engine
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Which of the following is NOT a good method to evaluate a website as appropriate for research?
answer
Using an ecommerce website
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A metasearch engine is different than a regular search engine because it
answer
searches other search engines instead of individual websites
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A specialty search engine is a(n)
answer
search engine that searches only sites that are relevant to a particular topic
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The list of results returned to you when you search for information on the web is called a list of _
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hits
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The individual words you use as search terms when using a search engine are referred to as
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keywords
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When evaluating the validity of information found on websites, which of the following is FALSE?
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You should assess that all web pages contain at least some valid information
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Which of these is NOT a specialty search on Google?
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fashion
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alternative search engine
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search engines other than Google
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specialty search engine
answer
searches only sites that are relevant to the particular subject
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search strategies
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skills used to optimize search engine results
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keyword
answer
used by search engines to determine what to look for
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quotation marks
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enclose words or phrases to get exact hits
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floods a computer with requests until it shuts down denying access to legitimate users
answer
A DoS attack
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Virtual communications gateways that allow a computer to accept requests for information from other networks or computers are called
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logical ports
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Using a ________, you can screen data coming into the logical ports to see if it comes from a trusted source.
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packet filter
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Attacks that are launched from multiple zombie computers at the same time are called
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distributed denial-of-service attacks (DDoS)
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Hackers can use packet ________ to capture valuable information, then sell or use the information illegally.
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sniffers
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ShieldsUP and LeakTest are software programs you can use to test whether _
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your firewall is working correctly
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hacker
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a person who poses a threat to your computer
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packet
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small piece of data that travels through the Internet
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botnet
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prevents intrusion into your computer
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virus
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a small program that can compromise a computer system
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