Terms

Terms

• bit - A logical data unit which has a possible value of 0 or 1.
• byte - A unit of data storage consisting of 8 bits.
• cycle - An electrical cycle is basically a sinewave form during which electrical voltage will cycle from its lowest negative value to its highest positive value and back again.
• computer hardware - Refers to the various electronic components that are required for you to use a computer along with the hardware components inside the computer case
• hertz - A unit of frequency describing the number of electrical cycles that occur in a second. One hertz is one cycle per second. Power is delivered to homes in the United States at 60Hz and in Europe at 50Hz.
• megabyte(Mb) - A unit of data storage consisting of about one million bytes. This is normally used to refer to the amount of system memory or floppy disk storage.
• megahertz(Mhz) - A unit of frequency. It is one million hertz. It describes the clock frequency the microprocessor runs at. The larger the number, generally the faster the microprocessor, but there are other factors that affect microprocessor speed.
• gigabyte(Gb) - A unit of data storage consisting of about 1000 megabytes. This is normally used to refer to the amount of capacity a hard drive has.
• RAM - Random Access Memory