click below
click below
Normal Size Small Size show me how
Hardeware def
| Word | Def |
|---|---|
| Central processing unit(CPU) | the chip located inside the system unit of a computer that preforms the processing for a computer |
| GHz | speed of a processor counted by billions of ticks per second |
| MHz | speed of a processor counted by millions of ticks per second |
| system unit | the container that hold 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 lowest level software in the computer that acts as an interface between the hardware of the operating systems |
| Rom | Read only Memory contain permanent written data called firmware that loads the operating system when first powered on |
| Cache | small, high speed memory between the processor and the system memory. Faster than RAM |
| Hard disk drive | a storage system consisting of one or more metal magnetic disk permanently sealed with an access mechanism inside its drive |
| MB, Megabyte | Storage measurement in millions of bytes |
| GB, Gigabyte | Storage measurement in billions of bytes |
| TB, Terabyte | Storage measurement in trillions of bytes |
| Random access memory (RAM) | provides a high speed, temporary location for the computer to hold data and program instructions |
| Bit | The smallest unit of computing, consists of either a 0 or 1 (on or off) |
| byte | 8 bits makes 1 byte |
| Video Graphic Adapter | Enables the connection of a monitor and may provide additional graphics capabilities |
| Network Interface Card | Enables a PC to connect to a network |
| Optical Drive | Adds read and write capabilities to your computer for portability |
| Monitor | A display device that projects images onto a display screen |
| mouse | primary input devices |
| keyboard | board of keys |
| USB | connect up to 127 peripheral |
| processor | small chip that resides in electronic devises and provides appropriate output |