computing int2

Created by: stephanie
Created on: 15-03-13 10:09

The Computer Systems consists of five parts. Input, Processor and Main Memory, Output, Backing Storage

CPU - Central Processing Unit The CPU is the ‘brain of the computerThe CPU carries out the program instructions in a computer. The speed of a CPU is given by the CLOCK SPEED.

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The Control Unit -The control unit manages the timing and the fetching, decoding and execution of instructions.

The Arithmetic & Logic Unit (the ALU) This is responsible for carrying out all the calculations and logical comparisons

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Registers are temporary storage locations.

Random Access Memory- It can be written to and read from. It is where programs and data are stored while the computer is being used.

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ROM is Read Only Memory -Data stored in ROM can only be read, it can never be written over or deleted. In a PC there is a small amount of ROM that contains a program to get your computer started.

Data stored in ROM can only be read, it can never be written over or deleted. In a PC there is a small amount of ROM that contains a program to get your computer started.

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Types of Computers are embedded laptop desktop palmtop mainframe

Embedded This is when a machine has a chip built in controlling its operation.Anything with automatic control is an embedded system.A washing machine has an embedded processor.Embedded computers don’t use keyboards and monitors, they usually have sen

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Palmtop Used for contacts and diary Can connect to web and email Can take voice recording Can be used as mp3 player or camera or games Has Word and Excel Has Word and Excel

Laptop Can be used for everything a full desktop can do But is portable, so you can carry it with you.Processor will not be quite as powerful as a desktop RAM can be the same, but disc drives tend to have less storage

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Desktop Full amounts of RAM and storage Used for Office Applications Web surfing and email Photo / video editing Games

mainframe - Have multiple processors

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Other cards in this set

Card 2

Front

The Arithmetic & Logic Unit (the ALU) This is responsible for carrying out all the calculations and logical comparisons

Back

The Control Unit -The control unit manages the timing and the fetching, decoding and execution of instructions.

Card 3

Front

Random Access Memory- It can be written to and read from. It is where programs and data are stored while the computer is being used.

Back

Card 4

Front

Data stored in ROM can only be read, it can never be written over or deleted. In a PC there is a small amount of ROM that contains a program to get your computer started.

Back

Card 5

Front

Back

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computing int2