Brainscape's Knowledge GenomeTM

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


See full index

CSci 11 > Hardware > Flashcards

Hardware Flashcards

1
Q

any device which allows us to send data or instructions to the computer (mechanical movement, sound, light, heat or electronic signals)

A

input devices

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

has alphabetic numeric and function keys for the entry of information

A

keyboard

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

a point and click device whose movement across a surface is sense by the computer either mechanically or optically

A

mouse

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

a device that senses pressure to guide the pointer on the computer sceen

A

touchpad

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

a type of overturned mouse. The ball is on the top side of the object and rolling the ball moves the pointer across the screen

A

trackball

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

a device sensitive to variations in patterns on a surface. It acts as a miniature scanner and can read text as the are dragged across the printeed page

A

lightpen

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

a device that can read and interpret bar codes and input the data into the computer

A

bar code reader

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

a device that is familiar for use in games to move objects on the screen

A

joystick

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

has a small computer inside that converts the capture pattern on the screen into a standard graphics file which can then be transferred to a computer

A

digital camera

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

translates speech into an electronic signal

A

microphone

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

a device that produces an electronic copy of the document placed on it, which then appears on the computer screen

A

scanner

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

its function is to store the currently active programs and their data

A

RAM

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

RAM is volatile/non-volatile

A

volatile

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

the contents of this memory can be changed or deleted

A

RAM

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

its function is to store certain fixed routines such as the boot-up routines

A

ROM

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

ROM is volatile/non-volatile

A

non-volatile

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

the contents of this memory can’t be changed or deleted

A

ROM

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

this refers to the individual 1’s (on) and 0’s (off)

A

bits

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

term for circuitry based on switches

A

digital

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

arithmetic based on the use of only 1’ and 0’s

A

binary arithmetic

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

set of eight bits - amount of memory required to store a single character

A

bytes

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

a system of representing all the characters of the western alphabet and certain special characters in a single byte; 2^8 = 256

A

ASCII

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

a system that represents all the alphabets of the world

A

uni-code

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

kb is equivalent to

A

2^10 = 1024 bytes

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

Mb is equivalent to

A

2^20 bytes

26
Q

Gb is equivalent to

A

2^30 bytes

27
Q

Tb is equivalent to

A

2^40 bytes

28
Q

has a plastic flexible disk enclosed inside a tough plastic cover and has a window at one end. it is slow and have a low capacity (1.44mb)

A

diskette

29
Q

a removable magnetic disk which fits into a special zip drive that comes in 100, 250 and 750 capacities

A

zip disk

30
Q

a sequential tape very similar to that found in a tape recorder, only muh higher quality.

A

data cartridge

31
Q

data cartridge is used in a device called ___________ to record data.

A

tape streamer

32
Q

uses optical technology wherein, small pits are burned into the surface using a highly focused laser beam when data is written

A

cd rom

33
Q

a development of the storage technology of the CD ROM that can store about 4Gb of data

A

digital versatile disk (DVD)

34
Q

can be internal or external, can have capacities from 40 mb to 120 mb (actually more than that nowadays)

A

hard disk drive

35
Q

a solid state device that connects to the computer via the USB port and it provides very fast and reliable method of storing data externally

A

flash memory and memory sticks (flash drive)

36
Q

formatting disks marks out concentric circles called _____

A

tracks

37
Q

Each track in a disk is divided into a number of __________

A

sectors

38
Q

The tracks and sectors in a disk are marked out using __________

A

magnetic markers

39
Q

formatting disk is performed to _______ a disk wherein old data is lost to store new data

A

re-use a disk

40
Q

breaking up of file into many segments and it slows down the operation of the disk as the system needs to keep track of all the different segments

A

fragmentation

41
Q

process wherein disk may be re-organized to reduce fragmentation

A

defragmentation

42
Q

responsible for carrying out arithmetic operations as well as logical decisions

A

arithmetic-logic unit (ALU)

43
Q

responsible for loading and interpreting the individual instructions that comprise the computer program

A

control unit

44
Q

language with a pattern of 0’s and 1’s

A

machine code

45
Q

the memory a control unit can access very quickly and use for intermediate storage

A

on-board cache memory

46
Q

CPU is measured by the ________________ it is able to handle.

A

maximum number of pulses

47
Q

CPU Speed is measured in ________ or _________

A

Mhz (megahertz) or Ghz (gigahertz)

48
Q

a device on the motherboad that sends electronic pulses to the CPU

A

clock

49
Q

any devices that the computer uses to send the results of processing to the user

A

output devices

50
Q

primary output device that is of two categories namely:

A

Visual Display Unit (VDU):

CRT Screens
Solid State Screens

51
Q

usually called a monitor which makes use of the same tech as a TV

A

CRT screens

52
Q

also known as LCD which makes use of tiny transistors to emit light and create image

A

Solid state screens

53
Q

number of times the image is refreshed every second

A

refresh rate

54
Q

the maximum number of pixel that the sceren can display

A

resolution

55
Q

produce a hard copy of the output on paper.

A

printer

56
Q

this printer has a print head that runs back and forth, or in an up and down motion, on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper

A

dot matrix

57
Q

a printer that creates a digital image by propelling droplets of ink onto paper

A

inkjet

58
Q

a printer that shines a tiny laser beam across the surface to discharge certain points

A

laser

59
Q

consists of a device that can move paper both backwards and forwards.

A

plotter

60
Q

produces sound output from the computer

A

speakers

61
Q

turning txt in a document into audible speech or vice versa

A

speech synthesis

62
Q

a special type of screen in which the screen not only displays output but also responds to being touched

A

touchscreen

CSci 11 (11 decks)

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