CPTE test 1-3 questions. and answers
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The number of colors available in a graphic is referred to as color _________. A. depth B. range C. RGB D. PNG
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A. depth
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The process of converting information, such as text, numbers, photos, or music, into digital data that can be manipulated by electronic devices is called ___________. A. binary B. digitization C. representation D. none of the above
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B. digitization
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Which of the following is NOT a type of bitmap format? A. TIFF B. RAW C. PNG D. ZIP
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D. ZIP
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Which of the following is NOT a factor in the quality of digital video? A. frame rate and resolution B. color and bit depth C. compression technique D. memory technology in your camera
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D. memory technology in your camera
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Today's widescreen devices, such as laptops and smartphones, are designed for the 16:9 __________. A. resolution B. aspect ratio C. frame rate D. all of the above
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C. frame rate
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Digital data can be __________ that have been converted into discrete digits such as 0s and 1s. A. text B. numbers C. graphics, sound, and video D. all of the above
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D. all of the above
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Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearby pixels. A. polarization B. interpolation C. compression D. resolution
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B. interpolation
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The number of frames that are displayed per second is measured in _______. A. compression B. fps C. color depth D. bps
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B. fps
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Which of the following tools would be found in 3 D graphics software? A. rendering tools B. ray tracing tools C. surface texture tools D. all of the above
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D. all of the above
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Unicode uses________ bits and provides codes for 65,000 characters. A. seven B. eight C. ten D. sixteen
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D. sixteen
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__________ is music, speech, and other sounds represented in binary format for use in digital devices. A. MIDI B. speech recognition C. speech synthesis D. Digital audio
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D. Digital audio
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Compressed files usually have ______ at the end of the file name. A. .exe B. .zip C. .txt D. none of the above
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B. .zip
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________ data consists of numbers that can be used in arithmetic operations. A. Text B. Digital C. Numeric D. Binary
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C. Numeric
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3-D graphics are based on vectors stored as a set of instructions describing the coordinates for lines and shapes in a three-dimensional space. What do these vectors form? A. a bitmap graphic B. a zipped file C. a wireframe D. all of the above
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C. a wireframe
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Which of the following file extensions is NOT a vector graphic? A. .svg B. .eps C. .tif D. .ai
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B. .eps
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Digital audio is stored in a variety of file formats, including ___________. A. WMA B. WAV C. MP3 D. all of the above
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D. all of the above
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Transmission speeds are expressed in _______, whereas storage space is expressed in _______. A. bits, bytes B. bytes, bits C. binary, numeric D. none of the above
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A. bits, bytes
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ASCII requires __________ bits for each character. A. two B. six C. seven D. ten
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C. seven
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A(n) _______ is the software that compresses a video stream when a video is stored, and decompresses the file when the video is played. A. compression B. codec C. bitmap D. resolution
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B. codec
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Sampling _______ refers to the number of times per second that a sound is measured during the recording process. A. rate B. compression C. depth D. sound
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A. rate
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Digital video is a core technology for which of the following? A. digital television B. videoconferencing systems C. video messaging D. all of the above
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D. all of the above
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What is another term for vector graphics software? A. Drawing software B. Photo editing software C. Digital compositing D. All of the above
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A. Drawing software
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Which of the following is NOT a type of digital video container file? A. MP4 B. AVI C. VOB D. PNG
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D. PNG
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In the context of bitmap graphics editing, what technique employs algorithms that pull pixels from one area of an image and then apply them to another area? A. inpainting B. cloning C. noise reduction D. image enhancement
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B. cloning
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The _______ number system allows digital devices to represent virtually any number simply by using 0s and 1s. A. digital B. text C. numeric D. binary
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D. binary
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________ is the number of bits that are processed during a specific unit of time, usually during one second. A. Bit rate B. Bit depth C. Color depth D. none of the above
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A. Bit rate
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Which of the following options are well suited for using vector graphics? A. line art B. logos C. diagrams D. all of the above
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D. all of the above
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What is the term used to describes altering the pixel colors where the edges of the object and the background meet, so that the object appears to merge with the background? A. Alpha blending B. Clipping path C. Cloning D. Inpainting
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A. Alpha blending
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Which of the following is NOT a format that is used for digital audio? A. MP3 B. DOC C. WAV D. Ogg
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B. DOC
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Most music for portable media players is stored in _______ audio file formats. A. uncompressed B. compressed C. lossless D. zipped
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B. compressed
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Today's color display devices represent color using the ______ color model. A. RGB B. PNG C. BMP D. none of the above
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A. RGB
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A group of eight bits is called a _______. A. byte B. megabit C. binary D. numeric data
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A. byte
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T or F: After a vector graphic is converted to a bitmap, the resulting graphic no longer has the qualities of a vector graphic.
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T
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T or F: The binary number system has only two digits: 1 and 2.
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F
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T or F: To conserve space, applications that require high-quality sound use low sampling rates.
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F
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T or F: The technical term for ripping music tracks is digital audio extraction.
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T
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T or F: Video resolutions can be expressed as width x height.
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T
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T or F: ASCII text files contain formatting.
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F
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T or F: Lossy compression techniques discard some data from an image to shrink its file size.
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T
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T or F: In digital video, a lower resolution reduces the bit rate.
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T
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T or F: TIFF, PNG, and GIF graphics formats offer lossy compression
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F
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T or F: A bitmap graphic is composed of a grid of tiny rectangular cells.
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T
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T or F: All of the data stored and transmitted by digital devices is encoded as bits.
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T
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T or F: Digital videos look sharpest when they are displayed at a resolution that is larger than the frame size.
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F
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T or F: Plain, unformatted text is sometimes called ASCII text.
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T
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T or F: A file name extension indicates the file format.
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T
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T or F: One of the main disadvantages of MIDI is that it cannot produce vocals.
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T
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T or F: Character data is composed of letters, symbols, and numerals that are used in calculations.
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F
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Which of the following is an important consideration when evaluating storage options for digital devices? A. Durability B. Dependability C. Capacity D. All of the above
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D. All of the above
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Modern refrigerators, washing machines, and other appliances are controlled by integrated circuits called ____________ that combine sensors with processing circuitry. A. microcontrollers B. microcomputers C. servers D. microdevices
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A. microcontrollers
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The part of the data bus that runs between the microprocessor and RAM is called the _______ bus. A. local B. expansion C. USB D. network
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A. local
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that is great for consuming content such as ebooks, music, and videos but not so great for creating content or multitasking? A. Tablet B. Smartphone C. Desktop D. Laptop
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A. Tablet
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______ is data that is entered into a computer. ______ is the result produced by a computer. A. Output, Input B. Input, Output C. Information, Binary data D. None of the above
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B. Input, Output
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_________ is the amount of data a storage device can move per second from the storage medium to RAM. A. Access time B. Data transfer rate C. Bitrate D. RPM
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B. Data transfer rate
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Microprocessors can't directly understand programming languages, so programs have to be converted into _____________ that corresponds to the microprocessor's instruction set. A. applications B. machine language C. microprocessors D. ARM
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B. machine language
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Most computers have temporary holding areas called __________. A. output B. microprocessor C. CPU D. memory
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D. memory
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Which optical storage technology stores data permanently on a disc, which cannot be subsequently added to or changed. A. Read-only B. Recordable C. Rewritable D. None of the above
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A. Read-only
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_________ is a temporary holding area for data and programs. A. CISC B. RAM C. ROM D. RISC
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B. RAM
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What type of computer should you consider purchasing if you want a portable system that is good for students and on-the-go professionals who want to create content and be productive, in addition to consuming content? A. Desktop B. Laptop C. Tablet D. Smartphone
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B. Laptop
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Originally called microcomputers, _________ are designed to meet the computing needs of individuals. A. mainframes B. personal computers C. microcomputers
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B. personal computers
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Which of the following is based on computer technology? A. tablets B. ebook readers C. game consoles D. all of the above
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D. all of the above
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Which of the following is an example of an operating system that is used by smartphones? A. iOS B. Android C. Windows RT D. All of the above
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A. iOS
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The primary purpose of ________ software is to help the computer system monitor itself in order to function efficiently. A. system B. application C. input D. memory
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A. system
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The most popular battery type used in today's electronic devices is __________. A. nickel-cadmium B. alkaline C. lithium ion D. none of the above
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C. lithium ion
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The term ________ refers to the part of a digital device that holds the system board. A. form factor B. CPU C. system board D. system unit
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D. system unit
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The main circuits on the system board that carry data are called the _________. A. ROM B. RAM C. expansion bus D. data bus
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D. data bus
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Which of the following is an example of why hard disk drives are so popular? A. They are not susceptible to a head crash B. Relatively low cost for lots of storage C. they are volatile D. All of the above
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B. Relatively low cost for lots of storage
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A(n) __________ is software that helps a peripheral device establish communication with its host device. A. device hub B. device driver C. hot-plug D. data bus
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B. device driver
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What type of computer should you consider purchasing if you want a system that is ideal for dedicated gamers, serious designers, desktop publishers, and video editors? A. Laptop B. Desktop C. Tablet D. Smartphone
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B. Desktop
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The electronic components of most digital devices are mounted on a circuit board called a ______________. A. system board B. motherboard C. main board D. all of the above
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D. all of the above
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The advantages of LCD screens include display clarity, low radiation emission, portability, and compactness. A. display clarity B. low radiation emission C. portability D. all of the above
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D. all of the above
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Which of the following is an example of a computer that is a small, lightweight personal computer that is designed like a clam shell? A. Desktop computer B. Laptop computer C. Server D. Tablet
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B. Laptop computer
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Which of the following is NOT an example of an expansion port? A. Thunderbolt B. USB 3.0 C. HDMI D. RAM
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D. RAM
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At its time of construction, one of the fastest computers in the world is referred to as a(n) _________________. A. mainframe B. supercomputer C. minicomputer D. all of the above
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B. supercomputer
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Which of the following is NOT drawback of using cloud storage? A. Increased security risk. B. High price of storage. C. Possible service outage. D. Discontinuation of service.
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B. High price of storage.
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In a microprocessor, the __________ fetches instructions. A. ALU B. register C. CPU D. control unit
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D. control unit
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True False All remote storage is considered to be cloud storage.
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False
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True False When a peripheral device is connected or disconnected while the host device is operating, it is called hot-plugging.
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True
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True False A desktop is a portable computing device featuring a touch-sensitive screen that can be used for input as well as for output.
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False
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True False The operating systems for smartphones are radically different to those used for tablet computers.
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False
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True False The CPU of most modern computers is a microprocessor.
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True
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True False The ability to switch between programs makes computers multipurpose devices.
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True
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True False The Intel i7 microprocessor is x86 compatible.
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True
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True False Intel Corporation is the world's largest chipmaker and supplies a sizeable percentage of the microprocessors that power desktops and laptops.
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True
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True False Smartwatches are multifunction devices that can include a camera, thermometer, compass, calculator, cell phone, GPS, media player, and fitness tracker.
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True
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True False A hard disk drive is an example of magnetic storage.
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True
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True False Most computer ads specify the speed of a microprocessor in gigahertz.
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True
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True False Component systems are currently the most popular form factor for digital devices.
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False
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True False A slate tablet configuration is basically a screen in a narrow frame that lacks a physical keyboard.
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True
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True False A multicore processor that executes more than one instruction at a time is referred to as a parallel processor.
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True
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True False In a display device, response rate is the time it takes for one pixel to change from black to white then back to black.
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True
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True False During an instruction cycle, all parts of the instruction are performed by the microprocessor's control unit.
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False
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True False Computers with the same operating systems can typically use the same software and peripheral devices.
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True
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True False Smartphones evolved from basic cell phones and PDAs.
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True
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True False Battery life is the time your device operates before it must be recharged.
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True
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True False An example of system software is a computer operating system.
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True
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Internet addresses are controlled by which one of the following protocols? A. TCP B. IP C. UDP D. HTTP
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B. IP
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Which of the following is an example of a DCE? A. router B. modem C. hub D. all of the above
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D. all of the above
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Which type of broadband Internet access involves using cellular data networks? A. Fixed B. Portable C. Mobile D. Dial-up
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C. Mobile
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Which of the following is an advantage of wired connection? A. more secure B. more dependable C. faster speeds D. all of the above
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D. all of the above
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Networks that form the Internet are maintained by who? A. ISPs B. IXPs C. ICANN D. All of the above
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A. ISPs
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Which type of network cover a large geographical area and usually consists of several smaller networks, which might use different computer platforms and network technologies. A. PAN B. LAN C. WAN D. VPN
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C. WAN
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What type of Internet connection do you have when upload speed differs from download speed? A. Dynamic B. Asymmetric C. Broadband D. Symmetric
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B. Asymmetric
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What organization is the top-level authority for supervising domain name requests? A. DNS B. HTTP C. ISPs D. ICANN
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D. ICANN
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On a network, any device that stores or generates data is considered to be a(n) _________. A. router B. DTE C. DCE D. ATP
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C. DCE
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DSL is an example of what type of Internet access? A. Mobile B. Portable C. Fixed D. Wireless
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C. Fixed
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Which DCE would you use if you wanted to extend a wired network by adding more ports? A. Hub B. Switch C. Bridge D. Repeater
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A. Hub
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_______ are designed to provide connectivity for devices within a limited area, typically within the premises of a home, office building, business, or school. A. WANs B. PANs C. LANs D. BANs
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C. LANs
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Which network tier forms the Internet backbone? A. Tier 1 B. Tier 2 C. Tier 3 D. Tier 4
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A. Tier 1
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Which type of protocol provides a way to transfer files from one computer to another over any TCP/IP network, such as a LAN or the Internet. A. FTP B. UDP C. TCP D. PAN
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B. UDP
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Which type of network topology connects a peripheral device to a host device? A. Mesh B. Star C. Bus D. Point-to-point
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D. Point-to-point
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Which type of network topology connects multiple devices to a central device? A. Mesh B. Star C. Bus D. Point-to-point
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B. Star
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Which file sharing protocol distributes the role of a file server across a collection of dispersed computers? A. FTP B. UDP C. Dropbox D. BitTorrent
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D. BitTorrent
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Which type of mobile broadband service has maximum download rates of 300 Mbps and upload rates of 75 Mbps? A. TCP B. ICANN C. 3G D. 4G
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D. 4G
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__________ LANs are usually arranged in a star topology with computers wired to central switching circuitry that is incorporated in modern routers. A. Internet B. Ethernet C. Wireless D. Mobile
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B. Ethernet
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On a network, which protocol is responsible for dividing files into chunks, adding headers containing information for reassembling packets in their original order, and error checking? A. UDP B. IP C. TCP D. FTP
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C. TCP
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Which type of communication protocol converts data into standard formats that can be used by applications? A. Physical B. Transport C. Arrival D. None of the above
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C. Arrival
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The bandwidth of a channel that carries digital data is usually measured in ___________. A. bytes per second B. bits per second C. Ghz D. microwaves
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B. bits per second
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_________ technology divides a message into several packets that can be routed independently to their destination. A. Handshaking B. Packet switching C. Packet sniffing D. circuit switching
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B. Packet switching
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Which type of cables are used for high-capacity trunk lines that provide main routes for telephone, cable, and Internet communications? A. Category 6 cables B. fiber-optic cables C. coaxial cables D. all of the above
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B. fiber-optic cables
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Which type of network connects smart devices or consumer electronics within a range of about 30 feet (10 meters) and without the use of wires or cables. A. PAN B. LAN C. WAN D. VPN
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A. PAN
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Which type of network topology allows for redundant paths between devices that can be used to bypass failed devices? A. Mesh B. Star C. Bus D. Point-to-Point
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A. Mesh
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True False Dropbox is an example of a file hosting service.
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True
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True False Most wireless LANs use licensed frequencies that require applying to the FCC for permission.
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False
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True False A communication port is a physical circuit through which data flows.
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True
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True False Wi-Fi signals may reach up to 300 feet from the router.
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True
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True False LANs use many of the same network technologies as the Internet.
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True
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True False Domain name servers maintain lists of all domain names and their corresponding IP addresses.
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True
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True False Data cannot flow over multiple networks that have different topologies.
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False
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True False You may be able to bypass DNS outages by changing your DNS server.
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True
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True False Microwaves have more carrying capacity than radio waves.
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True
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True False With wired connections, such as Ethernet, the rated speed and range are usually quite different to actual performance.
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False
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True False File sharing poses no real security risks.
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False
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True False Napster spurred the development of sophisticated, distributed protocols such as BitTorrent.
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True
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True False Connection speed is technically a measure of capacity.
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True
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True False The organization that supervises Internet addressing is ARPANET.
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False
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True False Wireless connections use licensed frequencies that are available for public use.
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False
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True False UDP is faster than TCP but does not perform error checking.
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True
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True False When connecting to the Internet, most Internet users connect to a Tier 1 network.
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False
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True False Most Internet connections are symmetrical.
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False
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True False You can set up Wi-Fi to use wireless mesh topology OR star topology.
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True
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True False When interference affects a wireless signal, data must be re-transmitted.
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True
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True False When setting up a Wi-Fi network, the router you select should support the fastest device you'll want to use on the network.
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True
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True False A private IP address can be used to send data over the Internet.
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False
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True False The Internet is the world's largest WAN.
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True
