The number of colors available in a graphic is referred to as color _________. |
A. depth |
The process of converting information, such as text, numbers, photos, or music, into digital data that can be manipulated by electronic devices is called ___________. |
B. digitization |
Which of the following is NOT a type of bitmap format? |
D. ZIP |
Which of the following is NOT a factor in the quality of digital video? |
D. memory technology in your camera |
Today’s widescreen devices, such as laptops and smartphones, are designed for the 16:9 __________. |
C. frame rate |
Digital data can be __________ that have been converted into discrete digits such as 0s and 1s. |
D. all of the above |
Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearby pixels. |
B. interpolation |
The number of frames that are displayed per second is measured in _______. |
B. fps |
Which of the following tools would be found in 3 D graphics software? |
D. all of the above |
Unicode uses________ bits and provides codes for 65,000 characters. |
D. sixteen |
__________ is music, speech, and other sounds represented in binary format for use in digital devices. |
D. Digital audio |
Compressed files usually have ______ at the end of the file name. |
B. .zip |
________ data consists of numbers that can be used in arithmetic operations. |
C. Numeric |
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? |
C. a wireframe |
Which of the following is the technique for adding light and shadows to a 3-D image? |
… |
Which of the following file extensions is NOT a vector graphic? |
B. .eps |
Digital audio is stored in a variety of file formats, including ___________. |
D. all of the above |
Transmission speeds are expressed in _______, whereas storage space is expressed in _______. |
A. bits, bytes |
ASCII requires __________ bits for each character. |
C. seven |
A(n) _______ is the software that compresses a video stream when a video is stored, and decompresses the file when the video is played. |
B. codec |
Sampling _______ refers to the number of times per second that a sound is measured during the recording process. |
A. rate |
Digital video is a core technology for which of the following? |
D. all of the above |
What is another term for vector graphics software? |
A. Drawing software |
Which of the following is NOT a type of digital video container file? |
D. PNG |
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? |
B. cloning |
The _______ number system allows digital devices to represent virtually any number simply by using 0s and 1s. |
D. binary |
________ is the number of bits that are processed during a specific unit of time, usually during one second. |
A. Bit rate |
Which of the following options are well suited for using vector graphics? |
D. all of the above |
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 |
Which of the following is NOT a format that is used for digital audio? |
B. DOC |
_________ enables people to control software with spoken commands, as well as dictate text into a word processing document. |
… |
Most music for portable media players is stored in _______ audio file formats. |
B. compressed |
Today’s color display devices represent color using the ______ color model. |
A. RGB |
A group of eight bits is called a _______. |
A. byte |
T or F: After a vector graphic is converted to a bitmap, the resulting graphic no longer has the qualities of a vector graphic. |
T |
T or F: The binary number system has only two digits: 1 and 2. |
F |
T or F: To conserve space, applications that require high-quality sound use low sampling rates. |
F |
T or F: The technical term for ripping music tracks is digital audio extraction. |
T |
T or F: Video resolutions can be expressed as width x height. |
T |
T or F: ASCII text files contain formatting. |
F |
T or F: Lossy compression techniques discard some data from an image to shrink its file size. |
T |
T or F: In digital video, a lower resolution reduces the bit rate. |
T |
T or F: TIFF, PNG, and GIF graphics formats offer lossy compression |
F |
T or F: A bitmap graphic is composed of a grid of tiny rectangular cells. |
T |
T or F: All of the data stored and transmitted by digital devices is encoded as bits. |
T |
T or F: Digital videos look sharpest when they are displayed at a resolution that is larger than the frame size. |
F |
T or F: Plain, unformatted text is sometimes called ASCII text. |
T |
T or F: A file name extension indicates the file format. |
T |
T or F: One of the main disadvantages of MIDI is that it cannot produce vocals. |
T |
T or F: Character data is composed of letters, symbols, and numerals that are used in calculations. |
F |
Which of the following is an important consideration when evaluating storage options for digital devices? |
D. All of the above |
Modern refrigerators, washing machines, and other appliances are controlled by integrated circuits called ____________ that combine sensors with processing circuitry. |
A. microcontrollers |
The part of the data bus that runs between the microprocessor and RAM is called the _______ bus. |
A. local |
A(n) _____________contains a collection of instructions for actions that the circuitry in a microprocessor can perform. |
… |
that is great for consuming content such as ebooks, music, and videos but not so great for creating content or multitasking? |
A. Tablet |
______ is data that is entered into a computer. ______ is the result produced by a computer. |
B. Input, Output |
_________ is the amount of data a storage device can move per second from the storage medium to RAM. |
B. Data transfer rate |
Microprocessors can’t directly understand programming languages, so programs have to be converted into _____________ that corresponds to the microprocessor’s instruction set. |
B. machine language |
Most computers have temporary holding areas called __________. |
D. memory |
Which optical storage technology stores data permanently on a disc, which cannot be subsequently added to or changed. |
A. Read-only |
_________ is a temporary holding area for data and programs. |
B. RAM |
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? |
B. Laptop |
Originally called microcomputers, _________ are designed to meet the computing needs of individuals. |
B. personal computers |
Which of the following is based on computer technology? |
D. all of the above |
Which of the following is an example of an operating system that is used by smartphones? |
A. iOS |
Processors that execute one instruction at a time are considered to be ________ processors |
… |
The primary purpose of ________ software is to help the computer system monitor itself in order to function efficiently. |
A. system |
The most popular battery type used in today’s electronic devices is __________. |
C. lithium ion |
The term ________ refers to the part of a digital device that holds the system board. |
D. system unit |
The main circuits on the system board that carry data are called the _________. |
D. data bus |
Which of the following is an example of why hard disk drives are so popular? |
B. Relatively low cost for lots of storage |
A(n) __________ is software that helps a peripheral device establish communication with its host device. |
B. device driver |
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? |
B. Desktop |
The electronic components of most digital devices are mounted on a circuit board called a ______________. |
D. all of the above |
The advantages of LCD screens include display clarity, low radiation emission, portability, and compactness. |
D. all of the above |
Which of the following is an example of a computer that is a small, lightweight personal computer that is designed like a clam shell? |
B. Laptop computer |
Which of the following is NOT an example of an expansion port? |
D. RAM |
At its time of construction, one of the fastest computers in the world is referred to as a(n) _________________. |
B. supercomputer |
Which of the following is NOT drawback of using cloud storage? |
B. High price of storage. |
In a microprocessor, the __________ fetches instructions. |
D. control unit |
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Internet addresses are controlled by which one of the following protocols? |
B. IP |
Which of the following is an example of a DCE? |
D. all of the above |
Which type of broadband Internet access involves using cellular data networks? |
C. Mobile |
Which of the following is an advantage of wired connection? |
D. all of the above |
Networks that form the Internet are maintained by who? |
A. ISPs |
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. |
C. WAN |
What type of Internet connection do you have when upload speed differs from download speed? |
B. Asymmetric |
What organization is the top-level authority for supervising domain name requests? |
D. ICANN |
On a network, any device that stores or generates data is considered to be a(n) _________. |
C. DCE |
DSL is an example of what type of Internet access? |
C. Fixed |
Which DCE would you use if you wanted to extend a wired network by adding more ports? |
A. Hub |
_______ are designed to provide connectivity for devices within a limited area, typically within the premises of a home, office building, business, or school. |
C. LANs |
Which network tier forms the Internet backbone? |
A. Tier 1 |
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. |
B. UDP |
Suppose you wanted to run a Web server or FTP server from your home. What type of IP address would you want? |
… |
Which type of network topology connects a peripheral device to a host device? |
D. Point-to-point |
Which type of network topology connects multiple devices to a central device? |
B. Star |
Which file sharing protocol distributes the role of a file server across a collection of dispersed computers? |
D. BitTorrent |
Which type of mobile broadband service has maximum download rates of 300 Mbps and upload rates of 75 Mbps? |
D. 4G |
__________ LANs are usually arranged in a star topology with computers wired to central switching circuitry that is incorporated in modern routers. |
B. Ethernet |
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? |
C. TCP |
Which type of communication protocol converts data into standard formats that can be used by applications? |
C. Arrival |
The bandwidth of a channel that carries digital data is usually measured in ___________. |
B. bits per second |
_________ technology divides a message into several packets that can be routed independently to their destination. |
B. Packet switching |
Which type of cables are used for high-capacity trunk lines that provide main routes for telephone, cable, and Internet communications? |
B. fiber-optic cables |
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 |
Which type of network topology allows for redundant paths between devices that can be used to bypass failed devices? |
A. Mesh |
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CPTE test 1-3 questions. and answers
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