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br-ch1-2
Question | Answer |
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expansion cards | A circuit board inserted into a slot on the motherboard to enhance the capability of the computer. |
expansion slots | A narrow slot on the motherboard where an expansion card can be inserted. Expansion slots connect to a bus on the motherboard. |
firmware | Software that is permanently stored in a chip. The BIOS on a motherboard is an example of firmware. |
flash ROM | ROM that can be reprogrammed or changed without replacing chips. |
floppy disk drive (FDD) | A drive that can hold either a 5 inch or 3 inch floppy disk. Also called floppy drive. |
floppy drive | See floppy disk drive (FDD). |
front side bus (FSB) | See system bus. |
gigahertz (GHz) | One thousand MHz, or one billion cycles per second. |
graphics card | See video card. |
hard copy | Output from a printer to paper. |
hard disk drive (HDD) | See hard drive. |
hard drive | The main secondary storage device of a PC. Two technologies are currently used by hard drives: magnetic and solid state. Also called a hard disk drive (HDD). |
hardware | The physical components that constitute the computer system, such as the monitor, the keyboard, the motherboard, and the printer. |
hertz (Hz) | Unit of measurement for frequency, calculated in terms of vibrations, or cycles per second. For example, for 16–bit stereo sound, a frequency of 44,000Hz is used. See also megahertz. |
host bus | See memory bus or system bus. |
keyboard | A common input device through which data and instructions may be typed into computer memory. |