lesson 13

Question 1

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

Answer 1

computer system

Question 2

what are the 3 parts of the computer system?

Answer 2

hardware, software, and peopleware

Question 3

refers to he physical or tangible parts of the computer

Answer 3

hardware

Question 4

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

Answer 4

software

Question 5

what are the types of hardware?

Answer 5

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

Question 6

what are the two types of input devices?

Answer 6

keyboard entry & direct entry

Question 7

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

Answer 7

keyboard

Question 8

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

Answer 8

direct entry

Question 9

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

Answer 9

mouse

Question 10

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

Answer 10

touch screen

Question 11

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

Answer 11

glide pad

Question 12

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

Answer 12

scanning device

Question 13

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

Answer 13

voice input device

Question 14

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

Answer 14

system unit

Question 15

there are the parts located inside the system unit

Answer 15

internal

Question 16

these are the parts located outside the system unit

Answer 16

external part

Question 17

this is where the compact disk (CD) is inserted

Answer 17

cd-roms or dvd rom drive

Question 18

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

Answer 18

led

Question 19

used to turn the computer on and off

Answer 19

power switch

Question 20

used to restart the computer without turning it off

Answer 20

reset switch

Question 21

is where the usb stick is inserted

Answer 21

usb port

Question 22

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

Answer 22

ports

Question 23

also called the main board or the system board

Answer 23

motherboard

Question 24

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

Answer 24

CPU (central processing unit)

Question 25

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

Answer 25

extension slots

Question 26

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

Answer 26

video card

Question 27

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

Answer 27

PSU (power supply unit)

Question 28

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

Answer 28

monitor

Question 29

displays the image on a wall sized screen

Answer 29

LCD (LIQUID CRYSTAL DISPLAY) projectors

Question 30

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

Answer 30

smart board

Question 31

a device that prints images or pictures

Answer 31

printer

Question 32

produces the sound generate by your computer

Answer 32

speaker

Question 33

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

Answer 33

primary storage or main memory

Question 34

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

Answer 34

RAM (random access memory)

Question 35

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

Answer 35

ROM (read only memory)

Question 36

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

Answer 36

secondary storage