To copy data from one area to another. For example, when you open a text file stored on disk, the computer reads the data from the disk and displays it on the screen.
Read/write headThe physical device inside a disk drive that reads and records data on the magnetic surface of a disk.
ResetTo reload a computer’s operating system so you can retry a task or begin using a different operating system. Resetting clears RAM.
RGBRed Green Blue. An RGB monitor displays in
Read Only Memory. A portion of memory that can only be read and cannot be used for temporary storage. ROM retains its contents even when you turn off the power.
A
A contiguous section of a disk track that provides an address at which the computer can access data.
Self testThe initial diagnostics procedures a system performs to check its hardware.
SerialThe type of interface which transmits data one bit at a time. See Interface and Parallel.
SoftwareThe programs that enable your computer to perform the tasks and functions you indicate.
System disketteA diskette that contains the operating system.