Epson ActionDesk 4000 User Manual - Page 138
Parallel, Power-on diagnostics, Read/write head, Real-time, Pathname
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Parallel An interface that transmits data simultaneously over separate wires in a cable. See also Serial. Pathname The directory name(s) you specify to locate a file. For example, the pathname for the file SALES, stored in the subdirectory BUSINESS, is \BUSINESS\SALES. Power-on diagnostics Tests stored in a computer's ROM that the computer runs to check its internal circuitry, peripheral device configuration, and operating status each time you turn it on or reset it. Processor speed See Operating speed. RAM Random Access Memory. The area of the computer's memory used to run programs and store data while you work. All data in RAM is erased when you turn off or reset the computer. Read/write head The physical device inside a disk or tape drive that reads data from and writes data to the magnetic surface of the disk or tape. Real-time clock A clock inside the computer that keeps track of the time and date, even when the computer is turned off, by using power from a backup battery. 6 Glossary