CSC101_Saud Bashar_KB Ch.2

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The system unit

Halbin Halbinにより

pc hardware mindmap

Idrees Sharief - Jean Augustine SS (2612)により

CompSys

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The Marrow Thieves

Eliorah Cooper - Edenwood MS (1564)により

CSC101_Saud Bashar_KB Ch.2

Overview- intro to the system unit

How The CPU Works

the key element is the processor

The System Clock and the Machine Cycle

Subtopic

Typical CPU Components

Bus Interface Unit

Registers & internal cache Memory

Decode Unit

Prefetch Unit

Control Unit

ALU & FPU

Inside The System Unit- the main case for computer

Ports and Connectors

eSATA

Audio ports

Game ports

Flash memory

IrDA

MIDI

SCSI ports

Keyboard & Mouse ports

Fire Wire

Usb ports

Modem ports

Network ports

Monitor Ports

Buses

Fire Wire- developed by apple

USB Bus

PCI and PCI express

Frontside Bus

Memory bus- architecture bus and recent

Expansion Slots, Expansion Cards, and express card modules- usd to improve the computer ability

Fans, Heat skins, and other cooling components

Heat damages computers- these are devices created to reduce the damage of the compuert

Memory

Flash Memory

Read Only Memory- Storage all data and computer content

Registers- High speed memory containsintermediate processed data

Random Access Memory

Electronic chips that contain all the processed information in the computer

The CPU- The brain of the computer

Bus width, speed and bandwidth

Cache Memory-Fast memory circuits

Word Size

Processing speed- the measurement of the CPU performance

The Power Supply and Drive Bays- it has batteries in the portable computers

The Motherboard-I has all the internal and extrernal connections

Data and program representation

Further explanation from wikipedia

video data- frames per second

Audio Data- Represented by sound samples

Graphic Data-Bits represent all images data

Coding systems for text-Based Data- ASCII,EBCDIC, and UNicode

Representing numerical data-binary numbering system

Digital data representation-0s and 1s