computing

Question 1

what is an input device

Answer 1

hardware that inputs data into a computer system

Question 2

what is an output device

Answer 2

hardware that receives data from a computer system and presents it in some form

Question 3

what is a storage device

Answer 3

hardware that saves data so that is can be recalled and used again later

Question 4

what are some internal components of a computer

Answer 4

Hard disk, RAM, CPU, motherboard, BIOS

Question 5

what does the control unit do

Answer 5

controls how data moves around the CPU

Question 6

what is the cache

Answer 6

provides fast access to frequently used instructions and is the CPU’s personal storage, so once the CPU carries out an instruction, it stores it in the cache

Question 7

what is a register

Answer 7

a tiny, super fast piece of memory storage inside the CPU, that can only store one piece of data

Question 8

what is clock speed

Answer 8

the thing that measures the number of cycles per second

Question 9

list some factors that might affect the CPU’s performance

Answer 9

clock speed, cache size, number of cores

Question 10

what is a core

Answer 10

a complete copy of a CPU

Question 11

Factors of ROM

Answer 11

read only memory, data doesn’t get deleted, data is permanent, boot strap ( instructions needed to start up your computer

Question 11

Factors of RAM

Answer 11

data gets deleted when when laptop in turned off, temporary data, opened applications

Question 12

what is the order of storage sizes

Answer 12

bit, nibble ( 4 bits ), byte ( 8 bits/ 2 nibbles ) kilobyte (1024 bytes), megabyte, gigabyte, terabyte, petabyte

Question 13

primary storage factors

Answer 13

used to store programs and data that are being used, is much quicker to access than secondary storage, smaller than secondary storage, is volatile

Question 14

secondary storage factors

Answer 14

used to store all programs and data for a computer system, much slower to access, exists in larger quantities, non volatile,

Question 15

examples of primary storage

Answer 15

RAM, ROM, cache

Question 16

examples of secondary storage

Answer 16

hard disks, SSD’s, CD’s

Question 17

what are the three types of storage

Answer 17

optical, magnetic, solid - state

Question 17

optical storage factors

Answer 17

low capacity, slower access, thin and lightweight, portable

Question 18

magnetic storage factors

Answer 18

high storage capacity, faster access speed, has moving parts so will eventually fail

Question 19

solid state factors

Answer 19

fastest access speeds, no moving parts, limited number of cycles, expensive

Question 20

what is software

Answer 20

a program or code that controls hardware

Question 21

what are the two types of software

Answer 21

systems software and application software

Question 22

what are the two types systems software

Answer 22

operating systems and utility programs

Question 23

what are the two types of applications software

Answer 23

proprietary and open source

Question 24

what is open source software

Answer 24

open source software allows free access to the software and its code

Question 25

what does the utility programs do

Answer 25

maintains the computer system

Question 26

what does the operating system do

Answer 26

manages hardware and manages communication between applications and hardware

Question 27

what are some positives of AI

Answer 27

digital services, doesn't get ill, doesn't need to be paid, efficient, repetitive

Question 28

what are some negatives of AI

Answer 28

can be used for cheating, can be hacked, expensive, no creativity

Question 29

what are ethics

Answer 29

how how a person conducts their lives based on what they feel is right or wrong

Question 30

what is a stakeholder

Answer 30

someone who might be affected by the actions or policies of an organisation

Question 31

what is a key stakeholder

Answer 31

those who can influence the actions of policies

Question 32

what are the three main laws in computer use

Answer 32

the data protection act, the computer misuse act, copyright designs and patent act.

Question 33

what is the data protection act

Answer 33

protects peoples personal data, personal data must be : kept up to date, must not be kept longer than necessary, used for legitimate purposes

Question 34

what is the computer misuse act

Answer 34

makes it illegal to: hack, gain unauthorised access, delete or modify data without permission

Question 35

what is the copyright, designs and patent act

Answer 35

makes it illegal to copy work without the owners permission