The Motherboard

Mohamed Sefer Al-Rashidi

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CD-ROM drive

Floppydisk drive

Hard disk drive

Wires andribbon cables

Sound/networkcards

1. Inside a PC

Motherboard

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Definition: The most important part of a PC is the motherboard.

It holds: the processor chip

memory chips

chips that handle input/output (I/O)

the expansion slots for connecting peripherals

2. The Motherboard

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Random AccessMemory (RAM)chips.

Expansion slots

Motherboard Picture

Read-onlyMemory (ROM)chips

Processor chip(the CPU)

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Random Access Memory (RAM). RAM is used to hold programs while they are

being executed, and data while it is being processed.

RAM is volatile, meaning that information written to RAM will disappear when the computer is turned off.

3. RAM

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Read-Only Memory can be read but not changed.

It remembers its contents even when the power is turned off.

ROM chips are used to store the instructions a computer needs during start-up, called firmware.

Some kinds of ROM are PROM, EPROM, EEPROM, and CD-ROM.

4. ROM

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Some Processors (CPUs)

PowerPC Chip

Chip Fan

Pentium Chip

Some questions:

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1) Put the name of these componentIn motherboard

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2) Point to the motherboard in CPU

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3) What does the two kinds of memory ?

4) What does the holds of mother board?

5) Give one kind of processors ?

With my best wishes

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