Module 02 Digital Devices Computer Concepts for End Users test bank

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1. The central processing unit (CPU) of most modern computers is a microprocessor.
a. True
b. False

2. Processing is handled by the computer’s CPU.
a. True
b. False

3. The term stored program means that a series of instructions for a computing task can be loaded into a computer’s memory.
a. True
b. False

4. The ability to switch between programs makes computers multipurpose devices.
a. True
b. False

5. System software is a set of computer programs that helps a person carry out a task.
a. True
b. False

6. An example of system software is a computer operating system.
a. True
b. False

7. Semiconductors are substances with properties between those of a conductor and an insulator.
a. True
b. False

8. A dual in-line package (DIP) is a square chip package, typically used for microprocessors, with pins arranged in concentric squares.
a. True
b. False

9. Land-grid arrays (LGAs) have two rows of pins that connect the chip to a circuit board.
a. True
b. False

10. Component systems are currently the most popular form factor for digital devices.
a. True
b. False

11. Battery lifespan is the time your device operates before it must be recharged.
a. True
b. False

12. Battery life is the time your device operates before it must be recharged.
a. True
b. False

13. A desktop is a portable computing device featuring a touch-sensitive screen that can be used for input as well as for output.
a. True
b. False

14. A slate tablet configuration is basically a screen in a narrow frame that lacks a physical keyboard.
a. True
b. False

15. Smartphones evolved from basic cell phones and personal digital assistants (PDAs).
a. True
b. False

16. The operating systems for smartphones are radically different to those used for tablet computers.
a. True
b. False

17. Smartwatches are multifunction devices that can include a camera, thermometer, compass, calculator, cell phone, global positioning system (GPS), media player, and fitness tracker.
a. True
b. False

18. Computers with the same operating systems can typically use the same software and peripheral devices.
a. True
b. False

19. Intel Corporation is the world’s largest chipmaker and supplies a sizeable percentage of the microprocessors that power desktops and laptops.
a. True
b. False

20. Modern processors follow Intel’s original numbering sequence.
a. True
b. False

21. The Intel i7 microprocessor is x86 compatible.
a. True
b. False

22. Athlon and A-series processors manufactured by AMD are NOT x86 compatible.
a. True
b. False

23. ARM-based processors are not especially energy efficient.
a. True
b. False

24. x86 processors use a different instruction set than ARM processors.
a. True
b. False

25. The term instruction cycle refers to the process in which a computer executes a single instruction.
a. True
b. False

26. During an instruction cycle, all parts of the instruction are performed by the microprocessor’s control unit.
a. True
b. False

27. Most computer ads specify the speed of a microprocessor in gigahertz.
a. True
b. False

28. A multicore processor that executes more than one instruction at a time is referred to as a parallel processor.
a. True
b. False

29. Random access memory (RAM) is volatile.
a. True
b. False

30. Read-only memory (ROM) is temporary and volatile. RAM is more permanent and non-volatile.
a. True
b. False

31. A hard disk drive is an example of magnetic storage.
a. True
b. False

32. Solid state storage stores data in erasable, rewritable circuitry, rather than on spinning disks, tape, or optical media.
a. True
b. False

33. Memory cards are typically volatile.
a. True
b. False

34. A solid state drive can be used as a substitute for a hard disk drive.
a. True
b. False

35. All remote storage is considered to be cloud storage.
a. True
b. False

36. When a peripheral device is connected or disconnected while the host device is operating, it is called hot-plugging.
a. True
b. False

37. In a display device, response rate is the time it takes for one pixel to change from black to white then back to black.
a. True
b. False

38. A laser printer has a nozzle-like print head that sprays ink onto paper to form characters and graphics.
a. True
b. False

39. ______ 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

40. Most computers have temporary holding areas called __________.
a. output
b. microprocessor
c. CPU
d. RAM

41. 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

42. 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

43. 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

44. 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

45. 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

46. 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)

47. 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

48. Originally called microcomputers, _________ are designed to meet the computing needs of individuals.
a. mainframes
b. personal computers
c. microcomputers
d. servers

49. 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

50. 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

51. 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

52. 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

53. 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

54. 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

55. 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

56. 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

57. In a microprocessor, the __________ fetches instructions.
a. ALU
b. register
c. CPU
d. control unit

58. Processors that execute one instruction at a time are considered to be ________ processors.
a. serial
b. parallel
c. pipeline
d. none of the above

59. _________ 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)

60. 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

61. 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.

62. _________ 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

63. 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

64. 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

65. The main circuits on the system board that carry data are called the _________.
a. ROM
b. RAM
c. expansion bus
d. data bus

66. 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

67. Which of the following is NOT an example of an expansion port?
a. Thunderbolt
b. USB 3.0
c. HDMI
d. RAM

68. 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

69. The advantages of liquid crystal display (LCD) screens include _________________.
a. display clarity
b. low radiation emission
c. portability
d. all of the above

70. 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
d. RPG

71. 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

72. 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

73. An INS would most likely be found in a(n) _________________.
a. supercomputer
b. laptop
c. smart appliance
d. autonomous vehicle

74. A(n) __________ is a multipurpose device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions.
ANSWER: computer

75. Keyboards and printers are two examples of _________ devices.
ANSWER: peripheral

76. Computers process __________ by performing calculations, modifying documents and pictures, drawing graphs, and sorting lists of words or numbers.
ANSWER: data

77. Instructions that tell a computer how to carry out processing tasks are referred to as a computer _______.
ANSWER: program, application

78. The collection of programs on a computer is referred to as _______________.
ANSWER: software

79. Computers run three main types of software: application software, development tools, and _______ software.
ANSWER: system

80. Software applications are sometimes referred to as _______, especially in the context of handheld devices.
ANSWER: apps, app

81. An integrated circuit is a set of microscopic electronic circuits etched onto a thin slice of ___________ material such as silicon.
ANSWER: semiconducting, semiconductor

82. The ________ houses all essential chips and provides connecting circuitry between them.
ANSWER: system board, motherboard, main board

83. In the computer industry, the term _________ refers to the size and dimensions of a device or components.
ANSWER: form factor

84. __________ device has a keyboard as the base and a screen on the hinged cover.
ANSWER: Clamshell, Notebook, Laptop

85. The __________ form factor features a touchscreen that covers most of the device’s surface.
ANSWER: slate, tablet

86. Many touchscreens have a(n) _________ coating designed to repel the oils deposited by fingertips.
ANSWER: oleophobic

87. A large, closet-sized computer capable of simultaneously processing data for hundreds or thousands of users is most likely a __________ computer.
ANSWER: mainframe

88. A computer that is primarily used to distribute data to other computers on a network is called a(n) ______________.
ANSWER: server

89. A(n) ___________ is a special category of laptop, designed to be connected to the Internet for most routine computing activities.
ANSWER: Chromebook

90. _____________ is/are mobile devices that have features similar to tablet computers but also provide telecommunications capabilities over cell phone networks.
ANSWER: Smartphones, Smartphone

91. Smartwatches, smartglasses, and fitness trackers can be classified as _______ computers.
ANSWER: wearable

92. Digital devices, such as Kindle, that are designed for displaying the content of digital publications, such as books, magazines, and newspapers are referred to as __________.
ANSWER: eReaders, e-readers, ebook readers

93. To monitor activity throughout the day, you can wear a(n) __________ tracker. These devices, worn on the wrist or clipped to a pocket, monitor your steps and heart rate.
ANSWER: fitness, activity

94. Computers that operate in essentially the same way and use the same software are said to be ______.
ANSWER: compatible

95. A(n) ____________ is an integrated circuit designed to process instructions.
ANSWER: microprocessor

96. In 1971, Intel introduced the world’s first microprocessor called the _________.
ANSWER: 4004

97. The __________ chip family was the precursor to the x64 architecture that has become the standard for most laptop and desktop computers.
ANSWER: 8086, x86

98. The processors that are found in just about all desktop and laptop computers are _____ compatible.
ANSWER: x86

99. Processors based on ____ technology dominate tablet computers and smartphones.
ANSWER: ARM

100. Microprocessors are hard-wired to perform a limited, preprogrammed set of activities called a(n) ___________.
ANSWER: instruction set

101. The ____________ is the part of the microprocessor that performs arithmetic operations, such as addition and subtraction.
ANSWER: ALU, arithmetic logic unit

102. The ALU uses __________ to hold data that is being processed.
ANSWER: registers

103. When a program begins, the memory address of the first instruction is placed in a part of the microprocessor’s control unit called a(n) __________.
ANSWER: instruction pointer, IP

104. In a processor, the timing device that sets the pace for executing instructions is called the ___________.
ANSWER: microprocessor clock

105. A microprocessor that contains circuitry for more than one processing unit is called a ________ processor.
ANSWER: multicore, multi-core, multi core

106. A(n) ____________ is special high-speed memory that allows a microprocessor to access data more rapidly than from memory located elsewhere on the system board.
ANSWER: CPU cache, cache

107. If a program exceeds its allocated space, the operating system may use an area of the hard disk or other storage device as _______ memory.
ANSWER: virtual

108. _______ is the term used for the components of a digital device designed to hold data permanently.
ANSWER: Storage, Permanent storage

109. _______ storage represents data as microscopic light and dark spots on a disc surface.
ANSWER: Optical

110. Remote storage that is available as an Internet service is called ______ storage.
ANSWER: cloud

111. A(n) ___________ is a copy of one or more files that is made in case the originals become damaged.
ANSWER: backup, data backup

112. A(n) _____________ contains parts of the operating system necessary to boot your computer and diagnose system problems after a hard drive failure or software malfunction.
ANSWER: recovery drive, system repair disc

113. A(n) ___________is a bit-for-bit copy of the data from all sectors of a hard disk.
ANSWER: disk image

114. The term __________ device is used for devices such as printers, display devices, storage devices, mice, and headsets that are connected to the system unit of a computer.
ANSWER: peripheral

115. Ports that expand the options for input, output, and storage, are commonly called ____________ ports.
ANSWER: expansion

116. A USB _____ is an inexpensive device that turns one USB port into multiple ports.
ANSWER: hub

117. A common wireless technology for connecting peripherals is ___________.
ANSWER: Bluetooth

118. In a display device, __________ is the distance in millimeters between like-colored light-emitting diodes (LEDs).
ANSWER: dot pitch, dp

119. The number of horizontal and vertical pixels that a device displays on the screen is referred to as screen ________.
ANSWER: resolution

120. A graphics card contains a(n) __________ and special video memory, which store screen images as they are processed but before they are displayed.
ANSWER: graphics processing unit , GPU

121. A(n) ____________ printer has a nozzle-like print head that sprays ink onto paper to form characters and graphics.
ANSWER: ink jet, ink-jet, inkjet

122. A(n) ____________ measures the rate at which a device accelerates.
ANSWER: accelerometer

123. A(n) ____________ sensor gauges angular velocity—the change in rotational angle.
ANSWER: gyro

124. A(n) ____________ measures magnetic fields and can be used as a compass to determine orientation relative to magnetic north.
ANSWER: magnetometer