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The Motherboard
Mohamed Sefer Al-Rashidi
000-209 Intro to CS. 5/Mother 2
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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
continued
000-209 Intro to CS. 5/Mother 6
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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