Deck 2: Digital Devices

Question 1

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

Answer 1

False

Question 2

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

Answer 2

False

Question 3

The term stored program means that a series of instructions for a computing task can be loaded into a computer's memory.

Answer 3

True

Question 4

Modern processors follow Intel's original numbering sequence.

Question 5

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

Question 6

Semiconductors are substances with properties between those of a conductor and an insulator.

Question 7

Intel Corporation is the world's largest chipmaker and supplies a sizeable percentage of the microprocessors that power desktops and laptops.

Question 8

Component systems are currently the most popular form factor for digital devices.

Question 9

Battery life is the time your device operates before it must be recharged.

Question 10

Computers with the same operating systems can typically use the same software and peripheral devices.

Question 11

An example of system software is a computer operating system.

Question 12

The central processing unit (CPU) of most modern computers is a microprocessor.

Question 13

Processing is handled by the computer's CPU.

Question 14

Battery lifespan is the time your device operates before it must be recharged.

Question 15

The ability to switch between programs makes computers multipurpose devices.

Question 16

System software is a set of computer programs that helps a person carry out a task.

Question 17

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

Question 18

The operating systems for smartphones are radically different to those used for tablet computers.

Question 19

Smartphones evolved from basic cell phones and personal digital assistants (PDAs).

Question 20

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

Question 21

Athlon and A-series processors manufactured by AMD are NOT x86 compatible.

Question 22

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

Question 23

Read-only memory (ROM) is temporary and volatile.RAM is more permanent and non-volatile.

Question 24

Most computers have temporary holding areas called __________.

A) output
B) microprocessor
C) CPU
D) RAM

Question 25

Memory cards are typically volatile.

Question 26

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

Question 27

The Intel i7 microprocessor is x86 compatible.

Question 28

x86 processors use a different instruction set than ARM processors.

Question 29

Random access memory (RAM) is volatile.

Question 30

All remote storage is considered to be cloud storage.

Question 31

______ 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

Question 32

A solid state drive can be used as a substitute for a hard disk drive.

Question 33

Most computer ads specify the speed of a microprocessor in gigahertz.

Question 34

ARM-based processors are not especially energy efficient.

Question 35

During an instruction cycle, all parts of the instruction are performed by the microprocessor's control unit.

Question 36

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

Question 37

The term instruction cycle refers to the process in which a computer executes a single instruction.

Question 38

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

Question 39

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

Question 40

A hard disk drive is an example of magnetic storage.

Question 41

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

Question 42

Processors that execute one instruction at a time are considered to be ________ processors.

A) serial
B) parallel
C) pipeline
D) none of the above

Question 43

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

Question 44

In a microprocessor, the __________ fetches instructions.

A) ALU
B) register
C) CPU
D) control unit

Question 45

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

Question 46

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

Question 47

Originally called microcomputers, _________ are designed to meet the computing needs of individuals.

A) mainframes
B) personal computers
C) microcomputers
D) servers

Question 48

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

Question 49

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

Question 50

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

Question 51

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

Question 52

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

Question 53

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

Question 54

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

Question 55

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

Question 56

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

Question 57

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)

Question 58

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

Question 59

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

Question 60

_________ 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)

Question 61

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

Question 62

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

Question 63

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

Question 64

Which of the following is NOT an example of an expansion port?

A) Thunderbolt
B) USB 3.0
C) HDMI
D) RAM

Question 65

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

Question 66

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

Question 67

The advantages of liquid crystal display (LCD) screens include _________________.

A) display clarity
B) low radiation emission
C) portability
D) all of the above

Question 68

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

Question 69

An INS would most likely be found in a(n) _________________.

A) supercomputer
B) laptop
C) smart appliance
D) autonomous vehicle

Question 70

Keyboards and printers are two examples of _________ devices.

Question 71

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.

Question 72

_________ 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

Question 73

The main circuits on the system board that carry data are called the _________.

A) ROM
B) RAM
C) expansion bus
D) data bus

Question 74

The collection of programs on a computer is referred to as _______________.

Question 75

Instructions that tell a computer how to carry out processing tasks are referred to as a computer _______.

Question 76

Software applications are sometimes referred to as _______, especially in the context of handheld devices.

Question 77

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

Question 78

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

Question 79

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

Question 80

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