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computers Flashcards

1
Q

what are the 4 basic computer processes

A

input, process, storage, and output

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2
Q

what are some examples of input devices

A

keyboard, mic, mouse, scanner

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3
Q

what are some examples of output devices

A

CDs, DVDs, monitor, printer

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4
Q

what is the cpu and its function

A

it is the central processing unit/ acts as computers brain

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5
Q

what is SSD stand for and its function

A

solid state drive/ the most common type of hardware for storage and is also long lasting

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6
Q

Sata

A

used to connect hard drives

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7
Q

what does RAM stand for and what is its function

A

Random accesses memory/ stores short term memory in the CPU

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8
Q

what is ROM and what is its function

A

a computer storage that can only be read and not written

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9
Q

define cold boot

A

turning a computer on

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10
Q

define warm boot

A

restarting a computer

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11
Q

what does the computer case act as

A

the skin of the computer

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12
Q

what does the mother bpoard act as

A

the spinal cord of the computer

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13
Q

what does the buses( binary usage system) act as

A

they act as the nerves

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14
Q

what does the monitor act as

A

the eyes

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15
Q

what does the graphic card act as

A

the retina

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16
Q

what does GPU stand for

A

graphic processing unit

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17
Q

what do the speakers, headphones, and earphones act as

A

the ears

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18
Q

what does the 3,5 min cable/ quarter cable act as

A

the ear canal

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19
Q

what does the modem act as

A

mouth

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20
Q

what is the DSL

A

(digital subscriber line) is a modem line the uses telephone lines to transport data

21
Q

how does the fiber transport data

A

through light pulses through glass

22
Q

what does the Ethernet 6 cable act as

A

teh vocal cords

23
Q

what does the power act as

A

the aorta

24
Q

what does the heat sink/or fan act as

A

the sweat glands

25
Q

what are transiters

A

they are the building block of the computer/ can be used to represent words, pictures or numbers/

26
Q

what code does transiters use

A

binary

27
Q

what is each 1 and 0 in binary code called

A

a bit

28
Q

how much transistors does a computers hard ware contain

A

it contains billions to process info faster

29
Q

what is software

A

a list of instructions telling transmitters what to do

30
Q

to work all computers need what

A

processes, memory, input devices, and output devices

31
Q

where is all hard ware connected through

A

the mother board

32
Q

what do the metal pathways on the mother board do

A

the wire hardware to one big circuit

33
Q

what is the operating system

A

helps master program the whole computer/manages interactions between hard ware and software

34
Q

what do computers uses to send electrical signals in binary code

A

switches

35
Q

what does one mean in binary code

A

on

36
Q

hat does zero mean in binary code

A

off

37
Q

what is the most common type of mouse

A

mechanical or ball mouse

38
Q

what happens when you move the mouse

A

the ball on the bottom transfers movement to slotted wheels

39
Q

what does each wheel in a ball mouse have

A

it has a light emitting diode (LED) and a light receiver called a photodiode

40
Q

what does the LED shoot across the wheels to the photodiode

A

light

41
Q

what does the flashing light from the LED to the photodiode cause

A

it causes pulsing electrical signals that transfer to your computer

42
Q

what does the computer see the pulses of light from the LED as

A

a pair of coordinates

43
Q

what year was the optical mouse released

A

in 1999

44
Q

what do optiocal mice have less of

A

they had less moving parts so less dirt got on sensitive areas

45
Q

in a ink jet printer, the futher the dots are apart means what

A

the lighter the image

46
Q

what 4 color does a printer use to add color

A

cyan, magenta, black, and yellow

47
Q

how are laser jet computers and ink jet computer similar

A

they both get signals from the computer

48
Q
A

print info tech (4 decks)

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