Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Digital Literacy > chapter 2 - sizing up computer and device hardware > Flashcards

chapter 2 - sizing up computer and device hardware Flashcards

1
Q

describe an input device

A

hardware that allows you to enter data into a computer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the most common input device for a computer?

A

a keyboard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is a tradition keyboard that uses both numbers and letters called?

A

an alphanumeric keyboard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

If you don’t have a physical keyboard available, you can enter information by selecting keys with a mouse using a…

A

virtual keyboard.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Smartphones and tablets use a(n) _____ as an input device.

A

touchscreen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a pointing device?

A

a transparent grid of sensors over the screen of a monitor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the most common type of pointing device?

A

touchpad

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

With which type of computer or device is a touchpad most commonly used?

A

notebook

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Artists, engineers, and others who need precise control over input can use a _____ to simulate drawing on paper.

A

graphics tablet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

When you touch a _____ to a spot on the surface of a tablet, a circuit is completed and the computer receives a digital code that corresponds to the location of the circuit on the grid.

A

stylus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

In which step of the scanning process is the scanned document sent to a computer program?

A

Step 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

With a scanner, the strength of the captured light is converted and sent to the computer as _____ for recording.

A

digitized information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

In a scanner, the sensor that records light strength is called a(nn

A

charge-coupled device (CCD).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A(n) _____ is a matrix of rows and columns of pixels.

A

bitmap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A _____ is the smallest picture element that a monitor can display and is represented by one or more bits of binary data.

A

pixel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Flat-bed scanners are commonly used for

A

flat documents (hard copy)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Nearly every product today is marked with a(n) _____, which is a set of black bars of varying widths and spacing.

A

bar code

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is a UPC code?

A

a unique bar code assigned to a product by the manufacturer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Digital camera resolution is described in

A

megapixels.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Some digital cameras capture both video and still images, but a _____ is designed primarily for capturing video.

A

digital video camera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

_____ includes speech, music, and sound effects that are entered into a computer.

A

Audio input

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Nearly all PCs today have sound support that’s either built in or provided by an add-on circuit board called

A

a sound card.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

A(n) _____ describes an object’s orientation in space.

A

gyroscope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

True or False: A QWERTY keyboard is named for the first six letters in the top row of letters on the keyboard.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

True or False: A byte is an eight-digit binary number between 00000000 and 11111111.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

A _____ is approximately 1,000 bytes.

A

kilobyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

One million bytes is a

A

megabyte.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Which of the following is the largest byte- kilobyte, byte, gigabyte or megabyte?

A

gigabyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

A(n) _____ is a system of binary codes that represent different letters, numbers, and symbols.

A

encoding scheme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The main shortcoming of _____ as a coding scheme was that it could NOT handle languages with complex alphabets, such as _____.

A

american Standard Code for Information Interchange (ASCII); Chinese

31
Q

Which coding system replaced American Standard Code for Information Interchange (ASCII)?

A

Unicode

32
Q

The main part of a computer is called

A

the system unit.

33
Q

The _____ converts alternating current (AC) from that’s required by computer components.

A

power supply

34
Q

_____ is an electronic path along which data is transmitted, and it’s typically embedded in the _____.

A

bus; motherboard`

35
Q

What is the benefit of having a larger bus width?

A

The bus will be able to carry more data.

36
Q

A(n) _____ provides communication between the

CPU and a peripheral device, such as a second monitor.

A

expansion bus

37
Q

A(n) _____ adds some specific capability to the system, such as sound, networking, or extra ports for connecting

A

expansion board; external devices

38
Q

a port, which is also known as a(n) _____, is an external plug-in socket on a computing device.

A

interface

39
Q

A _____ is a general-purpose port used by many different devices, including both input devices (such as

A

universal serial bus (USB)

40
Q

A(n) _____ is commonly used TODAY to connect a computing device to a TV so the TV can be used as a monitor.

A

high-definition multimedia interface (HDMI) port

41
Q

A _____ is the interface designed for connecting digital devices, such as home theater equipment.

A

high-definition multimedia interface (HDMI) port

42
Q

A video graphics adapter (VGA) port is commonly used

A

as a type of monitor connector.

43
Q

A(n) _____ closely resembles the port used for a telephone jack but is a little wider, but is used for connecting computers to networks.

A

Ethernet port

44
Q

What does an audio port usually look like?

A

It’s a small, circular hole with a 3.5-millimeter connector plugged into it.

45
Q

[ image shown of large black box with a metal frame on both sides. Wires are protruding from the top and a small black box is labeled with EXTERAL DRIVE BAY FOR CD OR DVD DRIVE and a larger white box adjacently below it is labeled INTERAL DRIVE BAYS FOR HARD DRIVES]

What computer components are represented in this image?

A

storage bays

46
Q

The term microprocessor (processor) is sometimes used to refer to the _____, the most essential and busiest component in a computer system.

A

central processing unit (CPU)

47
Q

True or False: The most commonly used semiconductor material in CPUs is silicon, which is a type of purified glass.

A

True

48
Q

The control unit serves what purpose in a CPU?

A

It directs and coordinates the CPU’s overall operation.

49
Q

What part of the CPU carries out the instructions and performs arithmetic and logical operations on the data?

A

arithmetic logic unit (ALU)

50
Q

What best describes parallel processing?

A

It enables two or more processors in the same computer to work on different threads
simultaneously.

51
Q

A _____ enables a computer to process several instructions at once, as if the system physically contains more than one CPU.

A

multicore processor

52
Q

Which is not part of the core, or the essential processor components?

A

pipeline

53
Q

A computer’s _____ stores data by holding a 1 and 0 value in each transistor and then reporting it when requested to do so.

A

RAM or memory

54
Q

ROM has the advantage of being very quick to read from, but it

A

can’t be updated easily.

55
Q

_____ is the type of memory people typically mean when they refer to computer “memory.”

A

Random-access memory (RAM)

56
Q

This type of RAM requires a constant supply of electricity to keep its contents intact and is sometimes called volatile RAM because of the possibility of losing data.

A

dynamic RAM (DRAM)

57
Q

True or False: Most RAM is synchronous dynamic RAM (SDRAM), which means its operations are synchronized with memory access time.

A

True

58
Q

Electrically erasable programmable ROM (EEPROM) allows you to _____ certain ROM chips on your own.

A

rewrite

59
Q

Flash memory is a type of _____ that’s used primarily for storage—not as a substitute for RAM.

A

EEPROM

60
Q

True or False: Printers are categorized into two broad groups based on how they affix or attach the print to the medium: nonimpact and impact.

A

True

61
Q

Which of the following describes how a nonimpact printer works?

A

It forms characters and images without actually striking the output medium.

62
Q

An inkjet printer belongs to which broad category of printers?

A

nonimpact

63
Q

A thermal inkjet printer _____ the ink, creating a vapor bubble that forces the ink out of the cartridge, through a nozzle, and onto the paper. A(n) _____ is created inside the cartridge, causing more ink to be drawn into the nozzle.

A

heats; vacuum

64
Q

Which of the following does not describe a piezoelectric inkjet printer?

A

It operates via a vacuum created inside the cartridge, which draws more ink into the
nozzle.

65
Q

Print speed is measured in ppm, which stands for

A

pages per minute.

66
Q

A color laser printer uses four colors of toner: black, magenta, _____, and yellow.

A

cyan

67
Q

During the final step in laser printing, the paper passes through a _____, which causes the image to stick to the paper.

A

fuser

68
Q

Which of the following is not likely included in a multifunction device (MFD)?

A

tablet

69
Q

A thermal printer uses _____ to transfer an impression onto the paper.

A

heat

70
Q

The images produced by a _____ printer are printed as dots and must be dithered; as a result, they are lower in quality than the images produced by a modern inkjet or laser printer.

A

thermal wax transfer

71
Q

Which of the following should you use to create architectural drawings and other large, high-quality, precision documents?

A

a plotter

72
Q

Using a _____ printer requires having a prepaid postage account; each time you print postage, the amount is subtracted from your account balance.

A

postage

73
Q

Repair and service technicians who travel to remote sites use _____ printers to generate invoices and receipts for customers.

A

portable

74
Q

A(n) _____ creates just about any object you can design in a three-dimensional modeling program on the computer.

A

3-D printer

Digital Literacy (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions