af Roza Roza 12 år siden
434
Chapter 2
Roza's CSC101 Knowledge Base
Future Trends
3D chips
Terascale cumputing
Silicon phononics
Optical computer
Quantum computing
Carbon nanotubes used in many products today
Nanotechnology
The System Clock and the Machine Cycle
Expansions
Express card
Expansion cards
Expansion slots
Memory
Flash memory
ROM
Registers
Ram
Memory refers to chip based storage
Word Size and Cache Memory
Cache memory
Word size
The CPU
Quad core CPU
Dual core CPU
Central processing unit
The Motherboard
Mother board or system board
Ciruit board
Computer chip
Inside the System Unit
System unit
Digital Data Represenation
Prefixes
Byte
Bit
Main topic
Making Computers Faster and Better Now and in the Future
Clean out dust once or twice a year
Scan for viruses and spyware
Error check and defragment
Delete temporary files
Improving performance today
Ports and Connectors
Fans, Heat Sinks, and other cooling Components
Bus
Bus candwidth
Bus speed
Bus width
Processing Speed
Benchmark tests
Alternate measure of processing speed is the number of instuction
CPU clock speed
Representing Programs: machine language
Most programs are written in other programing languages
Machine language
Coding System for Text- Base Data
Audio data
Graphics
Replacing ASCII as the primary text- coding system
Unicode
ASCII and IBCDIC
The Binary Numbering System
Binary numbering system
Decimal numbering system
Numbering System
Data and Program representation
