CIS120 T/F Test #2
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Hard drives have been growing in storage capacity by about 50% each year.
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True
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Desktop computer systems are less reliable than laptop computers.
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False
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The use of multiple cores on one CPU chip allows the execution of two or more sets of instructions at the same time.
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True
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Accessing data from the hard drive to send to the CPU is faster than accessing data from RAM.
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False
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The heads of a hard disk drive touch the surface of the platter to read or write the data.
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False
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Optical discs store data using tiny pits and lands.
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True
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Video cards include their own RAM.
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True
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When using multiple monitors, you must have multiple video cards.
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False
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If you reformat the hard drive on a computer, it erases all personal information from your computer and makes it safe to donate.
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False
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Limiting your signal range does not help increase wireless network security.
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False
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The Internet is a WAN.
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True
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In a peer-to-peer network, one computer acts as the central computer.
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False
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Most computers today come with Ethernet adapters already installed.
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True
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Wireless network connections are slower than wired broadband connections.
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True
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Wireless networks are more vulnerable to attack than wired networks.
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True
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VoIP stands for Voice over Internet Protocol.
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True
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A tablet uses a full traditional operating system.
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False
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Every new cell/smartphone has to include a GPS chip.
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True
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iPhones let you add SD flash cards.
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False
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There are more virus attacks on cell phone and smartphones than there are on PCs.
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False
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With Skype software installed on your phone, you can call any phone number for free.
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False
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When converting analog waves to a series of numerical values, the higher the sampling rate, the more accurately the original wave can be re-created.
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True
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The conversion rate is the number of times per second that the analog signal is measured and converted into a digital value.
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False
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Smartphones all use the Android operating system.
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False
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Raw files are larger than JPEG files.
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True
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DRM-free music can legally be moved from system to system.
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True
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An encryption virus replicates itself onto a hard drive's master boot record.
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False
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A stealth virus is designed to infect multiple file types to fool the antivirus software.
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False
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To create a secure password, you should use a mixture of uppercase letters, lowercase letters, and symbols.
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True
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Ethical hackers are also known as white-hat hackers.
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True
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Creating and spreading online viruses is a cybercrime.
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True
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All viruses cause serious destruction of computer data.
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False
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A macro virus is a virus that is attached to a file such as a Word document or Excel workbook.
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True
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A virus signature is a portion of virus code that is unique to a particular computer virus.
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True
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A zombie is another person's computer controlled by a hacker.
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True
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The tag informs a browser that the text that follows the tag should be italicized.
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True
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The United States government is in charge of the Internet.
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False
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Client-side programs run on a web server rather than on your computer.
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False
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Most instant messaging services provide a high level of encryption for their messages.
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False
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An applet is a small application that resides on a server but is downloaded to, and run on, the client computer.
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True
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FTP enables files to be downloaded or uploaded between computers.
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True
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When using packet switching, packets are always sent over the same route.
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False
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LinkedIn is one the most popular instant messaging services.
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False
