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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 |