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computer > lesson 13 > Flashcards

lesson 13 Flashcards

1
Q

consists of hardware & software components that work together to run the computer

A

computer system

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2
Q

what are the 3 parts of the computer system?

A

hardware, software, and peopleware

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3
Q

refers to he physical or tangible parts of the computer

A

hardware

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4
Q

a program which consists of a set of instructions that guides the computer hardware to operate effectively

A

software

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5
Q

what are the types of hardware?

A

input devices, processing devices, storage devices, and output devices

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6
Q

what are the two types of input devices?

A

keyboard entry & direct entry

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7
Q

is probably the oldest and most common example of an input device

A

keyboard

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8
Q

data that does not require to be keyed or pressed into a keyboard

A

direct entry

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9
Q

uses a concentrated beam of light of a tiny laser, are called optical mice

A

mouse

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10
Q

a special type of monitor which allows you to click objects on the screen by touching the screen with your finger

A

touch screen

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11
Q

also known as a touch pad, this is a touch sensitive pad for controlling the cursor

A

glide pad

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12
Q

uses a scanner which is an electronic deice that converts pictures or printed text into digital format

A

scanning device

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13
Q

also known as the speech or voice recognition system. through the use of a microphone, the user can send audio signals to a computer for processing, recording, or carrying out commands

A

voice input device

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14
Q

all the other parts of a computer must be connected in one way or another to the cpu

A

system unit

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15
Q

there are the parts located inside the system unit

A

internal

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16
Q

these are the parts located outside the system unit

A

external part

17
Q

this is where the compact disk (CD) is inserted

A

cd-roms or dvd rom drive

18
Q

stands for LIGHT EMITTING DIODE. a power indicator (or hdd activity light, ram activity light, diagnostic light) found in front of the system unit

A

led

19
Q

used to turn the computer on and off

A

power switch

20
Q

used to restart the computer without turning it off

A

reset switch

21
Q

is where the usb stick is inserted

A

usb port

22
Q

are slots located at the back of the system unit where cables are plugged

A

ports

23
Q

also called the main board or the system board

A

motherboard

24
Q

one of the most important parts, known as a microprocessor. the brain of the computer

A

CPU (central processing unit)

25
Q

located on the motherboard, this is where expansion cards are inserted

A

extension slots

26
Q

an adapter card used to process and display information for the monitor

A

video card

27
Q

a special type of power transformer, converts the standard voltage of your original outlet into either 5- or 12- volts dc

A

PSU (power supply unit)

28
Q

like a television or CRT (cathode ray tube) that displays data from your computer

A

monitor

29
Q

displays the image on a wall sized screen

A

LCD (LIQUID CRYSTAL DISPLAY) projectors

30
Q

is similar to a touch screen that has a display screen which is a touch sensitive transparent panel covering the screen

A

smart board

31
Q

a device that prints images or pictures

A

printer

32
Q

produces the sound generate by your computer

A

speaker

33
Q

internal storage that holds data and instructions that the computer follows to perform commands.

A

primary storage or main memory

34
Q

one of the key items that influences the overall performance of the computer

A

RAM (random access memory)

35
Q

also known as non-volatile memory. it is programmed with the software “basic input/output system”

A

ROM (read only memory)

36
Q

refers to the different storage media on which a computer can store data and programs

A

secondary storage

computer (4 decks)

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