Theory

Question 1

What is hardware

Answer 1

any physical component that a computer system needs to function

Question 2

what is an input device

Answer 2

piece of hardware that will provide the computer system with data

Question 3

what is an output device

Answer 3

piece of hardware that is used to communicate the result of the data that was processed

Question 4

examples of input device

Answer 4

keyboard, remote, microphone, camera, mouse, joystick, numeric pad

Question 5

examples of output device

Answer 5

headphone, monitor, digital camera, printer, speaker, computer screen

Question 6

what is a storage device

Answer 6

piece of equipment that can be used to store data

Question 7

what are the types of data storage

Answer 7

internal memory, storage device, cloud

Question 8

types of internal memory

Answer 8

read only memory (ROM), random access memory (ram), hard drive

Question 9

qualities of read only memory (rom)

Answer 9

permanent, long term, cant be altered, non-volatile memory (does not appear when computer is off)

Question 10

qualities of random access memory (RAM)

Answer 10

temporary, short term, volatile memory (only works when computer is on), the more things you have open - the slower your computer will be

Question 11

qualities of hard disk

Answer 11

main internal backing store, non-volatile, made of magnet disk

Question 12

what are the types of external storage?

Answer 12

magnetic storage media, optical storage media, solid state storage media

Question 13

examples of magnetic storage media

Answer 13

tape, hard drive, floppy disk

Question 14

examples of optical storage media

Answer 14

CD, DVD, blu-ray

Question 15

examples of solid state storage media

Answer 15

hard drive, pen drive, flash memory

Question 16

what does the CPU do

Answer 16

control everything

Question 17

what does cpu stand for

Answer 17

central processing unti

Question 18

what are the components of cpu

Answer 18

control unit (CU), immediate access store (ias), arithmetic logic unit (alu)

Question 19

what dos the CU do

Answer 19

controls the flow of data within the system, responsible for connecting devices and making sure data goes to the right place at the right time

Question 20

what does alu do

Answer 20

carries out every task the computer completes, translates binary to information

Question 21

what does the ias do

Answer 21

where data is held temporarily

Question 22

what influences computer speed

Answer 22

type of cpu

Question 23

what affects cpu speed

Answer 23

clock speed, cores, cache

Question 24

how are tasks measured in cpu

Answer 24

in cycles, one cyle per second = 1 herz

Question 25

what is the cache

Answer 25

little trace left behind after the use of each application

Question 26

what is the fetch execute cycle

Answer 26

basic operation cycle of a computer

Question 27

what does software depend on

Answer 27

hardware

Question 28

what is software and hardware in terms of body

Answer 28

software is the brain and hardware the body

Question 29

what is software

Answer 29

program that runs on a computer

Question 30

when hardware runs software, where does it load the software on to

Answer 30

the ram

Question 31

what do operational systems do

Answer 31

help run and maintain the computer

Question 32

functions of operational systems

Answer 32

provides a user interface, manages the use of memory, opening + closing + saving + deleting files

Question 33

types of applications software

Answer 33

general purpose software ( carries out tasks using the app), special purpose software (performs only one task)

Question 34

what is a network

Answer 34

two or more devices/people that are connected together

Question 35

what ar the types of network

Answer 35

family network (everyone can share info and all can contribute to the growth), peer network (only two can exchange), restaurant network (one person in charge of other's needs, server, manages trading)

Question 36

what are the advantages of networks

Answer 36

share info, share resources + storage + app + connection, assiisting collaboration, allows security, updates to be manages, site software can bee cheaper, cloud computing

Question 37

what are the disadvantages of networks

Answer 37

risk of malware, initial cost, if server breaks everything goes down

Question 38

what are the levels/types of network

Answer 38

pan (around person), lan (room, building campus), man (city), wan (country, continent)