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Application of Computer new

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12<br />

Components <strong>of</strong> the System Unit<br />

Internal Power Supply (SMPS)<br />

Exhaust Fan<br />

Speaker<br />

Motherboard<br />

Storage Systems<br />

Microprocessor<br />

SMPS<br />

Controller Cables<br />

RAM (storage)<br />

Hard Disk Drive<br />

Floppy Disk<br />

Drive<br />

Speaker<br />

Motherboard<br />

Storage Media<br />

Data needs to be stored for later use on storage media.<br />

The two types <strong>of</strong> storage media are:<br />

Primary storage media<br />

Secondary storage media<br />

Primary storage media<br />

• It is the internal storage area <strong>of</strong> the machine.<br />

• Random Access Memory (RAM)<br />

• This is the memory that the computer uses for storing the programs and<br />

their data while working on them.<br />

• RAM has the following characteristics:<br />

Data within the RAM can be read or modified, i.e. you can either<br />

read from the RAM or write onto it. Hence it is called read/write<br />

memory

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