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Hardware Terms
For IDT: Hardware Terms
| Term | Definition |
|---|---|
| Central processing unit (CPU) | The chip located inside the system unit of a computer that performs the processing for a computer |
| GHz – (gigahertz) | speed of a processor counted by billions of ticks per second |
| MHz – (megahertz) | speed of a processor counted by millions of ticks per second |
| System Unit | The container that holds the motherboard and keeps components safe. |
| Motherboard | The main circuit board of a computer to which all computer system components connect. |
| BIOS: Basic Input/Output System | Basic Input/Output System Lowest level software in the computer that acts as an interface between the hardware of the operating system. |
| ROM: Read Only Memory | Contain permanently written data called firmware that loads the operating system when first powered on |
| Cache (CASH) | small, high speed memory between the processor and system memory. Faster than RAM |
| Hard disk drive | |
| MB, Megabyte | |
| MB, Megabyte | |
| TB, Terabyte | |
| Random access memory (RAM) | |
| Bit | |
| Byte | |
| Video Graphic Adapter | |
| Network Interface Card | |
| Optical Drive | |
| Monitor |