Term | Definition |
Read Only Memory (ROM) | Memory added to a computer when manufactured. It stores instructions that are required to start a computer. |
hard drive | The C: drive on your computer. Used to permanently store and retrieve data on a computer. Also known as local disk or main memory. |
volatile | Retaining data even if there is a break in the power supply. |
Random Access Memory (RAM) | Internal memory (hardware) located on the motherboard that allows information to be stored and retrieved on a computer. |
off state | This is the "electrical state" of the binary digit zero. |
output | Anything the computer produces or sends back to you. |
input | Anything that goes into the computer for processing. |
computer | An electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. |
electrical | When you press a key on the key board, this type of signal is sent to the system unit. |
keyboard | Device used with a computer that allows you to input letters, numbers, and other symbols. |
machine language | The language of the computer. |
non-volatile | Retaining data only as long as there is a power supply connected. |
mouse | Controls a cursor in a GUI and can move and select text, icons, files, and folders. |
microprocessor | This is the brains of the computer. |
on state | This is the "electrical state" of the binary digit one. |
system unit | This is the computer part of the computer system. |
computer system | Includes the computer along with any software and hardware devices. |
speakers | Hardware device that connects to a computer to generate sound. |
monitor | Hardware device that displays video images and text. |