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
