Zusammenfassung der Ressource
Computer components
- Definitions
- CPU
- Stands for Central Processing Unit
- Processes information
- Motherboard
- This connects all the components.
- Hardrive
- Reads and writes data onto mental platters
- Fan
- This is used to cool components that are
overheated
- RAM
- Stores data while powered
- Power supply
- Supplies power to the components to
enable them to work efficiently.
- Fetch, decode, execute cycle
- Fetch- Instructions transferred from the RAM to the CPU.
- First step
- Decode- The instruction is then understood or
decoded by the CPU.
- Second step
- Execute- The decoded information is carried out or executed.
- Third step
- This cycle is performed continuously from the moment you turn on your
computer to the time you turn it off.
- Definitions
- Hard drive
- Reads and writes data onto metal platters
- Floppy drive
- Reads and writes information from floppy
disks
- Also known as FFD.
- Optical drive
- Reads and writes data stored on compact disks.
- Processing speed
- 1 Hertz
- One cycle per second
- Hz
- 1 Kilohertz
- one thousand cycles per second
- KHz
- 1 Megahertz
- one million cycles per second
- MGz
- 1 Gigahertz
- One billion cycles per second
- GHz
- This is the measure of how
many cycles the computer
does per second