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GCSE Computer Science OCR > Components of a computer system > Flashcards

Flashcards in Components of a computer system Deck (17)
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1

What is the main purpose of a computer?

To take data,process it and output it

2

A computer system consists of _____ and _____ to help it process data / complete tasks

Hardware and software

3

What is hardware and give examples?

The physical stuff such as the CPU,motherboard,monitor and printer.

4

What is software and give examples?

Programs and applications that a computer system runs such as the operating system, word processor or video game.

5

What is the difference between a dedicated system or a general purpose computer?

Dedicated systems control one particular function. General purpose are designed to perform many different tasks.

6

What are embedded systems?

They are built into other systems.

7

Embedded systems are often used as control systems.
What does that statement mean?

They monitor and control machinery so it can achieve a desired result.

8

Explain the embedded system in a dishwasher
make sure to include:
-what it's job is?
-how it does it's job?
-why does it do it?

In a dishwasher the embedded systems control the water pumps and and release water mechanisms.
It also controls the water temperature.
This makes sure the dishwasher cleans the dishes efficiently.

9

Pro's and cons of a dedicated system

Pros✔✔✔
- easier to design
-cheaper to produce 💲💲💲💲
-more efficient at their job ⚡⚡

Cons❌❌
-single purpose

10

Power supply

supplies power to the hardware

11

Case cooling fan

Extracts hot air from the computer case

12

CPU heat sink and cooling fan

Keeps the CPU at a steady temperature

13

CPU

Most important component as it does all of the processing

14

Optical drive

read/ writing of optical disks

15

RAM sticks

a.k.a computer memory

16

Motherboard

Main circuit board in the computer, where the hardware is connected

17

Hard disk drive

Internal secondary storage