Computer Systems 1.1 Flashcards
1
Q
Computer system definition
A
- takes a set of digital inputs
- processes them to create a set of outputs
- done by a combination of hardware and software
2
Q
Examples of inputs
A
- keyboard
- mouse
- microphone
- touchscreen
- sensor
3
Q
Output devices
A
- monitor ( vdu)
- printer
- speakers
- led lights
- projector
4
Q
State the two types of computer systems
A
- embedded system
- general purpose system
5
Q
General purpose system meaning
A
- can perform many varied tasks
- chooses the tasks the computer should complete
6
Q
Examples of a general purpose system
A
- laptops
- ipads
- phones
7
Q
Embedded system meaning
A
- computer that is designed for one specific tasks
- special software to carry out a specific function
- without it a computer can’t perform their specific function
- made up of both software/hardware = firmware
8
Q
Examples of an embedded system
A
- traffic lights
- Washing machines
- Radio
9
Q
Components of hardware in a computer
A
- cpu
- ram
- hard disk
10
Q
Hard disk
A
Stores all permanent data, files on computer
11
Q
Ram
A
- main memory
- volatile memory
- random access memory
- stores instructions and data
12
Q
Rom
A
- read only memory
- non-volatile so no data is lost when the computer turns off
- stores bios
- holds info of hardware
- can only be read / used not edited
13
Q
CPU
A
- computers central processing unit
- part of a computer that carries out the f-e cycle
14
Q
Configuration of hard drive
A
- positioned in concentric circles called tracks
- these are partitioned in sectors
