Multiple Choice Flashcards
1
Q
Unicode uses\_\_\_\_\_\_\_\_ bits and provides codes for 65,000 characters. A. seven B. eight C. ten D. sixteen
A
D
2
Q
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
A
D
3
Q
Most music for portable media players is stored in \_\_\_\_\_\_\_ audio file formats. A. uncompressed B. compressed C. lossless D. zipped
A
B
4
Q
Which of the following is the technique for adding light and shadows to a 3D image? A. Rendering B. Ray tracing C. Wireframe D. Rasterize
A
B
5
Q
Compressed files often have \_\_\_\_\_\_ at the end of the file name. A. .exe B. .zip C. .txt D. none of the above
A
B
6
Q
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 Upgrade to remove ads Only $1/month
A
B
7
Q
Which of the following tools would be found in 3D graphics software? A. Rendering tools B. Ray tracing tools C. Surface texture tools D. All of the above
A
D
8
Q
Which of the following projections captures a 360-degree image on a horizontal plane? A. Rectilinear B. Cylindrical C. Spherical D. Anaglyphic
A
B
9
Q
Which of the following options are well suited for using vector graphics? A. Line art B. Logos C. Diagrams D. All of the above
A
D
10
Q
A live stream is also called a(n) \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. A. download B. Webcast C. on-demand stream D. digital audio extraction
A
B
11
Q
\_\_\_\_\_\_\_\_ 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
A
A
12
Q
Digital audio is stored in a variety of file formats, including \_\_\_\_\_\_\_\_\_\_\_. A. WMA (Windows Media Audio) B. WAV C. MP3 D. all of the above
A
D
13
Q
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
A
B
14
Q
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
A
A
15
Q
A(n) \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ is a graphic that uses red and blue overlays to create a stereoscopic effect. A. stereo pair B. anaglyph C. VOB D. JPEG
A
B
16
Q
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
A
B
17
Q
Which of the following file extensions is NOT a vector graphic? A. .svg B. .eps C. .tif D. .ai
A
C
18
Q
What is another term for vector graphics software? A. Drawing software B. Photo editing software C. Digital compositing D. All of the above
A
A
19
Q
__________is music, speech, and other sounds represented in binary format for use in digital devices.
A. MIDI (Musical Instrument Digital Interface)
B. Speech recognition
C. Speech synthesis
D. Digital audio
A
D
20
Q
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
A
A
21
Q
American Standard Code for Information Interchange (ASCII) requires \_\_\_\_\_\_\_\_\_\_ bits for each character. A. two B. six C. seven D. ten
A
C
22
Q
Which of the following is NOT a type of digital video container file? A. MP4 B. AVI C. VOB (Video Object) D. PNG
A
D
23
Q
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
A
B
24
Q
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 Upgrade to remove ads Only $1/month
A
D
25
Q
A group of eight bits is called a \_\_\_\_\_\_\_. A. byte B. megabit C. binary D. numeric data
A
A
26
Q
The number of frames that are displayed per second is measured in \_\_\_\_\_\_\_. A. compression B. fps C. color depth D. bps
A
B
27
Q
The number of colors available in a graphic is referred to as color \_\_\_\_\_\_\_\_\_. A. depth B. range C. RGB D. PNG
A
A
28
Q
Which of the following is NOT a format that is used for digital audio? A. MP3 B. DOC C. WAV D. Ogg
A
B
29
Q
\_\_\_\_\_\_\_\_\_\_\_\_\_ adds computer-generated vector objects to a view of the real world. A. Augmented reality B. Cylindrical projection C. Virtual reality D. Stereoscopy
A
A
30
Q
Manipulating two-dimensional images to produce the illusion of three-dimensional depth is called \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. A. pairing B. stitching C. stereoscopy D. dimensionization
A
C
31
Q
Today's color display devices represent color using the \_\_\_\_\_\_ color model. A. RGB B. PNG C. BMP D. none of the above
A
A
32
Q
\_\_\_\_\_\_\_\_ data consists of numbers that can be used in arithmetic operations. A. Text B. Digital C. Numeric D. Binary
A
C
33
Q
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
A
B
34
Q
Many of the graphic sequences in video games require \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ to produce a series of bitmap images while the game takes place. A. real-time rendering B. delayed buffering C. spherical projection D. motion cropping
A
A
35
Q
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
A
D
36
Q
Which of the following is NOT a type of bitmap format? A. TIFF (Tagged Image File Format) B. RAW C. PNG (Portable Network Graphics) D. ZIP
A
D
37
Q
When vector animations are used for special effects in movies, the animation sequences are \_\_\_\_\_\_\_\_\_\_\_\_\_. A. scanned into PNG format B. pre-rendered into digital video clips C. compressed into anaglyphs D. rendered real time
A
B
38
Q
Image\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ creates a panoramic image by combining two or more photographs that have overlapping edges. A. stitching B. compression C. cropping D. compositing
A
A
39
Q
Pokemon Go is a game that's based on \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ technology. A. virtual reality B. 360 projection C. augmented reality D. lossless compression
A
C
40
Q
A(n) \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ stream sends media to a local device where it is stored temporarily, or "buffered," until there is enough data to begin playback. A. download B. live C. on-demand D. delayed
A
C
41
Q
3D 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
A
C
42
Q
\_\_\_\_\_\_\_\_\_ enables people to control software with spoken commands, as well as dictate text into a word processing document. A. MIDI B. Speech synthesis C. Speech recognition D. Phoneme
A
C
43
Q
What is the term used to describe 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
A
A
44
Q
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
A
D
45
Q
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
A
B
46
Q
Many touchscreens have a(n) \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ coating designed to repel the oils deposited by fingers that tap and swipe the screen. A. gorilla B. granular C. semiconductive D. oleophobic
A
D
47
Q
_________ is a temporary holding area for data and programs.
A. CISC (complex instruction set computer)
B. RAM
C. ROM
D. RISC (reduced instruction set computer)
A
B
48
Q
Which of the following sensors would best help an autonomous vehicle calculate the distance to an object? A. Lidar B. Magnetometer C. INS D. GPS
A
A
49
Q
A(n) \_\_\_\_\_\_\_\_\_\_\_\_\_contains a collection of instructions for actions that the circuitry in a microprocessor can perform. A. ALU (Arithmetic Logic Unit) B. ARM C. PCS (Processor Command Set) D. instruction set
A
D
50
Q
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 Upgrade to remove ads Only $1/month
A
B
51
Q
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
A
B
52
Q
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
A
A
53
Q
In a microprocessor, the \_\_\_\_\_\_\_\_\_\_ fetches instructions. A. ALU B. register C. CPU D. control unit
A
D
54
Q
\_\_\_\_\_\_\_\_\_ 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. Bit rate D. RPM
A
B
55
Q
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
A
A
56
Q
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
A
D
57
Q
A \_\_\_\_\_\_\_\_\_\_ 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
A
B
58
Q
Which of the following is NOT an example of an expansion port? A. Thunderbolt B. USB 3.0 C. HDMI D. RAM
A
D
59
Q
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 Tablet
A
B
60
Q
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. They have relatively low cost for lots of storage.
C. They are volatile.
D. All of the above.
A
B
61
Q
The advantages of liquid crystal display (LCD) screens include \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. A. display clarity B. low radiation emission C. portability D. all of the above
A
D
62
Q
Which of the following is an example of an operating system that is used by smartphones? A. iOS B. Android C. Windows Mobile D. All of the above
A
D
63
Q
The main circuits on the system board that carry data are called the \_\_\_\_\_\_\_\_\_. A. ROM B. RAM C. expansion bus D. data bus
A
D
64
Q
Which of the following is NOT drawback of using cloud storage? A. Increased security risk B. High price of storage C. Possible service outage Discontinuation of service
A
B
65
Q
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
A
D
66
Q
Processors that execute one instruction at a time are considered to be \_\_\_\_\_\_\_\_ processors. A. serial B. parallel C. pipeline none of the above
A
A
67
Q
Most computers have temporary holding areas called \_\_\_\_\_\_\_\_\_\_. A. output B. microprocessor C. CPU D. RAM
A
D
68
Q
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
A
C
69
Q
The term \_\_\_\_\_\_\_\_ refers to the part of a digital device that holds the system board. A. form factor B. CPU C. peripheral D. system unit
A
D
70
Q
Originally called microcomputers, \_\_\_\_\_\_\_\_\_ are designed to meet the computing needs of individuals. A. mainframes B. personal computers C. microcomputers D. servers
A
B
71
Q
Which of the following sensors would be most useful for helping a drone remain level as it flies? A. Accelerometer B. Magnetometer C. Gyro sensor D. Aero
A
C
72
Q
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
A
A
73
Q
Microprocessors can't directly understand programming languages, so programs have to be converted into \_\_\_\_\_\_\_\_\_\_\_\_\_ that corresponds to the microprocessor's instruction set. A. application B. machine language C. microprocessor D. ARM
A
B
74
Q
\_\_\_\_\_\_ 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
A
B
75
Q
What type of computer should you consider purchasing if you want a portable system that is great for consuming content such as books, music, and videos but not so great for creating content or multitasking? A. Tablet B. Smartphone C. Desktop D. Laptop
A
A
76
Q
Which of the following is NOT a type of digital video container file? A. MP4 B. AVI (Audio Video Interleave) C. VOB (Video Object) D. PNG (Portable Network Graphics)
A
D
77
Q
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
A
A
78
Q
An INS would most likely be found in a(n) \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. A. supercomputer B. laptop C. smart appliance D. autonomous vehicle
A
D
79
Q
Self-driving vehicles use a(n) \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ algorithm to gather data, analyze it, and then carry out required actions. A. sense-plan-act B. autonomous C. Boolean RPG
A
A
80
Q
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 Upgrade to remove ads Only $1/month
A
D
81
Q
When network protocols clean a corrupted signal, the process is called \_\_\_\_\_\_\_\_\_\_\_\_\_\_. A. error correction B. UDP C. handshaking D. packet switching
A
A
82
Q
DSL is an example of what type of Internet access? A. Mobile B. Portable C. Fixed D. Wireless
A
C
83
Q
Which of the following is an advantage of wired connections? A. More secure B. More dependable C. Faster speeds D. All of the above
A
D
84
Q
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
A
B
85
Q
Networks that form the Internet are maintained by \_\_\_\_\_\_\_\_\_\_\_\_. A. ISPs B. IXPs C. ICANN D. All of the above
A
A
86
Q
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
A
A
87
Q
On a network, any device that stores or generates data is considered to be a(n) \_\_\_\_\_\_\_\_\_. A. router B. DTE (data terminal equipment) C. DCE (data communications equipment) D. ATP (advanced threat protection)
A
B
88
Q
Which type of network covers 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
A
C
89
Q
\_\_\_\_\_\_\_\_\_\_ 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 Upgrade to remove ads Only $1/month
A
B
90
Q
Which type of broadband Internet access involves using cellular data networks? A. Fixed B. Portable C. Mobile D. Dial-up
A
C
91
Q
Which type of cable is 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
A
B
92
Q
A modem is required for \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Internet access. A. dial-up B. cable C. DSL D. all of the above
A
D
93
Q
Which type of network topology connects a peripheral device to a host device? A. Mesh B. Star C. Bus D. Point-to-point
A
D
94
Q
\_\_\_\_\_\_\_ 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
A
C
95
Q
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
A
A
96
Q
\_\_\_\_\_\_\_\_\_ 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
A
B
97
Q
What organization is the top-level authority for supervising domain name requests?
A. DNS
B. HTTP
C. ISPs (Internet service providers)
D. ICANN (Internet Corporation for Assigned Names and Numbers)
A
D
98
Q
Which type of network topology connects multiple devices to a central device? A. Mesh B. Star C. Bus D. Point-to-point
A
B
99
Q
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
A
C
100
Q
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 (personal area network) B. LAN (local area network) C. WAN (wide area network) D. VPN (virtual private network)
A
A
101
Q
When you connect to a Wi-Fi hotspot, your digital device is classified as a(n) \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. A. server B. DCE C. DTE D. router
A
C
102
Q
Which network tier forms the Internet backbone? A. Tier 1 B. Tier 2 C. Tier 3 D. Tier 4
A
A
103
Q
What type of Internet connection do you have when upload speed differs from download speed? A. Dynamic B. Asymmetric C. Broadband D. Symmetric
A
B
104
Q
Which of the following is an example of a DCE? A. Router B. Modem C. Hub D. All of the above
A
D
