Computer Hardware
Rita Ester
04/07/23 Computer - Hardware 2
Computer
Hardware + Software Electronic device that
Takes data in
Input devices
Outputs information
Output devices
Stores data
Storage devices
Processes data
CPU
04/07/23 Computer - Hardware 3
Mother Board
contains the computer's basic circuits and parts
BIOS
BUS
RAMCPU
BUS BUSBattery Expansion Slots
and Expansion Cards
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BIOS
Basic Input Output System, wakes up the computer
when you turn it on (Boot process), starts the operating system, Is stored on a ROM chip.
Read Only Memory.
The battery supports the ROM chip.
04/07/23 Computer - Hardware 5
Chip
Integrated circuit Tiny piece of silicon with electronic
circuits CPU or memory (RAM and ROM) on a
chip
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CPU
Central Processing Unit (Micro-)processor Brain of the computer. Processes data and instructions. Contains the ALU.
Arithmetic Logic Unit Has a clock rate.
Sets the computer speed.Speed measured as MHz, GHz.
04/07/23 Computer - Hardware 7
System Properties
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RAM
Random Access Memory Holds data and programs
while the CPU uses them Everything disappears when power is off Types: SDRAM, RDRAM.
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BUS
On the mother board Path for data
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Expansion Card
Expands the capabilies of the CPU Example:
Graphics card. Sits in an expansion slot.
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