💻 Computer systems

Question 1

define Computer system

Answer 1

An electronic device that can follow instructions

Question 2

Examples of computer systems

Answer 2

Mobile phones, iPads, iPods, TVs, microwaves, Sat Nav, calculators, laptops, watches, projectors, etc.

Question 3

define hardware

Answer 3

the physical parts of a computer system - you can touch and feel them

Question 4

examples of hardware?

Answer 4

speakers, mouse, keyboard, screen, Xbox controller, touchscreen device

Question 5

define software

Answer 5

the nonphysical parts of the computer system - you CAN’T touch or feel them

Question 6

examples of software?

Answer 6

Microsoft word, iOS, Google Chrome, FIFA, Whatsapp, Netflix (APPS)

Question 7

how does a computer system work?

Answer 7

1. Take in a set of inputs
2. Process these inputs
3. Create an output

Question 8

define input

Answer 8

data (letters, numbers, sounds, videos, images) that gets put INTO the computer.
The computer converts it into something it can understand AKA digital data/binary code

Question 9

How do you input data into a computer? (eg. letters, numbers and sounds?)

Answer 9

Letters: Keyboard/touchscreen
Numbers: Keyboard/touchscreen
Sounds: Microphone

Question 10

define process

Answer 10

this is where the computer manipulates the data to produce meaningful information

Question 11

what are some examples of a computer processing data (name at least 3)

Answer 11

• sorting (eg. names into alphabetical order)
• searching (eg. searching for highest price)
• calculations (eg. working out a percentage)
• graphing (eg. a bar chart on famous movies)

Question 12

how could the output appeal to sight?

Answer 12

eg. a text message on a mobile phone screen

Question 12

define output

Answer 12

It’s the part where the info. the computer has processed is presented in a suitable way

Question 13

how could the output appeal to hearing?

Answer 13

eg. a fire alarm that’s detected smoke

Question 14

how could the output appeal to touch?

Answer 14

eg. a printed A4 poster

Question 15

what are some devices that can create outputs (name at least 3)?

Answer 15

• monitors
• printers
• speakers
• projector
• motor

Question 16

define a storage device

Answer 16

a computer needs storage to hold both programs and data, hence RAM is used at times

Question 17

the computer’s memory is RAM

define RAM

Answer 17

RAM holds programs and data temporarily and forgets it all when the computer is switched off

Question 18

what are the elements of a computer (there are 4)?

Answer 18

1. input
2. process
3. output
4. storage

Question 19

what are the types of computer systems (there are 3)?

Answer 19

1. information systems
2. control systems
3. communication systems