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nts > intro 2 cs ✔️ > Flashcards

intro 2 cs ✔️ Flashcards

1
Q

the name for screen clarity

A

resolution

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2
Q

collection of raw facts and figures

A

data

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3
Q

another name for data processing

A

data computing

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4
Q

electronic device that accepts, processes data and produces information

A

computer

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5
Q

examples of category softwares:

A
  • application software
  • system software
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6
Q

examples of packaged softwares:

A
  • ms word
  • front page
  • ms access
  • ms excel
  • power point
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7
Q

examples of application softwares:

A
  • internet
  • games
  • multimedia software
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8
Q

inkjet printer is example of:

A

non impact printer

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9
Q

cpu stands for:

A

central processing unit

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10
Q

examples of secondary storage device:

A
  • cd rom
  • hard disk drive
  • cd rom drive
  • tape drive
  • dvd rom
  • floppy disk
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11
Q

device driver is an example of:

A

system software

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12
Q

examples of input devices:

A
  • keyboard
  • touchpad
  • microphone
  • scanner
  • mouse
  • digital camera
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13
Q

what key is used to change lowercase letters to uppercase and vice versa

A

caps lock

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14
Q

computer is a combination of:

A

software and hardware

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15
Q

examples of hardware components:

A
  • input device
  • secondary storage
  • processor
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16
Q

another name for main memory

A

primary storage

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17
Q

set of instructions in a computer:

A

software and program

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18
Q

a program or set of programs that are specially designed to control the computer system

A

system software

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19
Q

what key is used to cancel the current operation

A

esc (escape key)

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20
Q

arrow keys are also known as

A

cursor control keys

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21
Q

examples of input devices that are pointing devices:

A
  • pointing stick
  • digitizing tablet
  • touchpad
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22
Q

what pointing devices has a vertical handle like a gearshift lever

A

joystick

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23
Q

what pointing device uses the sensors to detect the touch of a finger

A

touchscreen

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24
Q

what device does imaging use to input data

A

scanner

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25
Q

the barcode is also called

A

universal product code

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26
Q

photoelectric scanner that translates barcode symbols into digital code

A

barcode reader

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27
Q

what device is used to check and process the test marks of students

A

optical mark recognition (omr)

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28
Q

example of audio input device

A

microphone

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29
Q

examples of output devices:

A
  • monitor
  • speaker
  • printer
  • plotter
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30
Q

what unit are printers and monitors examples of

A

output unit

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31
Q

examples related to softcopy output:

A
  • cathode ray tube (crt)
  • monitor
  • screen
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32
Q

which printer works like a photocopying machine

A

laser printer

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33
Q

how many graphic cards are used

A

3 (dedicated, shared, and integrated)

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34
Q

what resolution does a monitor that has vga (video graphics array) cards have

A

320 x 200 pixels

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35
Q

examples of impact printers:

A
  • dot matrix printer
  • daisy wheel printer
  • line printer
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35
Q

characteristics of display screen:

A
  • resolution
  • size
  • colour
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36
Q

how many pins does the print head of a dot matrix printer need to provide a quality printout

A

24 pins

37
Q

what printers can print one character at a time

A
  • dot matrix printer
  • daisy wheel printer
37
Q

dpi stands for

A

dots per inch

38
Q

what output device is used to print continuous output like tracking an earthquake reading

A

drum plotter

39
Q

bit stands for

A

binary digit

39
Q

what is the largest unit of data storage

A

a word

40
Q

how many MB is 1/2 GB

A

512 MB

40
Q

8 bytes =

A

64 bits

40
Q

how many GB in a TB

A

1024 GB

41
Q

how many bits is a doubleword

A

32 bits

42
Q

what phase in the software development lifecycle (sdlc) is the actual system produced in

A

coding stage

42
Q

in what phase in the software development lifecycle (sdlc) is a system installed to solve a problem

A

implementation phase

43
Q

what is related to preliminary investigation

A
  • system identification
  • system scope
  • feasibility study
43
Q

what phase of software development lifecycle (sdlc) comes after analysis phase

A

design phase

43
Q

what method is used in data gathering to collect information from a part of people instead of many people of an organisation

A

sampling

44
Q

softcopy means

A

screen output

44
Q

what printer can print one complete line at a time

A

line printer

44
Q

example of an input device used for playing video games

A

joystick

44
Q

which task of investigation is related to limitations of the system

A

system scope

45
Q

examples of inter-connecters

A
  • port
  • cables
  • computer bus
46
Q

another name for pointer

A

cursor

47
Q

processed data is called

A

information

47
Q

example of system software

A
  • device driver
47
Q

computing and communication technologies are combined together for:

A

data communication

48
Q

device used for input of image data

A

scanner

48
Q

another name for central processing unit (cpu)

A

microprocessor

48
Q

device used for optical character recognition:

A

optical character recognition (ocr)

48
Q

data and programs are permanently stored on:

A

secondary storage

49
Q

data and programs are temporarily stored on:

A

primary storage

49
Q

what is application software

A

program that is specifically designed to solve the specific problems of a user

50
Q

what is input

A

data and instructions given to the computer

51
Q

how many keys does a standard keyboard used in a personal computer have

A

101 keys

52
Q

what kind of key is a caps lock key

A

toggle key

53
Q

what is hardware

A

the physical part of a computer

54
Q

the central processing unit (cpu) is an example of ________ware

A

hardware

55
Q

what does a central processing unit (cpu) do

A

executes the instructions of a program

56
Q

how many categories is a software classified into

A

2

57
Q

what key is used to delete a character to the left of the cursor

A

backspace

58
Q

what key is used to insert a new line or paragraph into any text editor

A

enter key

59
Q

examples of input devices that are NOT pointing devices:

A
  • joystick
  • trackball
  • touchscreen
60
Q

what is a trackball

A

a stationary pointing device with a movable ball on its top

61
Q

example of light sensitive stylus device:

A
  • light pen
62
Q

examples of mark and character recognition device:

A
  • magnetic ink character recognition (micr)
  • optical marks recognition (omr)
  • optical character recognition (ocr)
63
Q

what is a barcode

A

vertical zebra striped lines on manufactured products

64
Q

what is magnetic ink character recognition (micr) used for

A

to read characters printed with magnetized ink

65
Q

example of smart card

A
  • SIM
66
Q

example of video input device

A
  • video camera
67
Q

examples of internal parts of a computer:

A
  • computer bus
  • ram
  • rom
68
Q

what devices are used to get the softcopy output

A

monitor and display screen

69
Q

line printer is up to what printing speed

A

3000 1pm

70
Q

what is the printing speed of laser printing for microcomputer

A

4 to 32 pages per minute

71
Q

example of a faster printer

A

laser printer

72
Q

what output device is the videographic card inside the computer used for

A

monitor

73
Q

pixel is short for:

A

picture element

74
Q

how many colours does an extended graphics array (xga) card support

A

16.7 million colours

75
Q

what kind of output is printed on paper

A

hardcopy output

nts (4 decks)

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