Epson 500 Series the magnetic surface of a disk, The physical device inside a disk drive that reads and records data on, RS-232C, Real-timeclock, Reset, Read/write head, ROM

Power-on diagnostics

A set of testing routines the computer performs automatically every time you turn it on.

R A M

Random Access Memory. The portion of the computer's memory that runs programs and temporarily stores data while you work. All data stored in RAM is temporarily maintained while the computer is in Suspend mode, but erased when you turn off the computer. See also ROM.

Read/write head

The physical device inside a disk drive that reads and records data on

the magnetic surface of a disk.

Real-time clock

A battery-powered clock in the computer that keeps track A battery keeps track of the

current time and date even when the computer's power is off.

Reset

To reload a computer's operating system so you can retry a task or

begin using a different operating system. Resetting erases any

information stored in RAM.

ROM

Read Only Memory. The portion of the computer's memory that containspermanentinstrMionsandcannotbemodifkd.Unlike RAM, ROM retains its contents even after you turn off the computer. see also RAM.

RS-232C

A standard serial interface. The ActionNote has a connector that lets

you attach an RS-232C compatible device to your computer.