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Unformatted text preview: ines, which perform a variety of generalized operations (such as, sorting, searching, merging, copying, printing and maintenance) on data files. Firewall: A software that usually runs on the proxy server of an organization and controls the flow of incoming and outgoing messages from within an organization for providing better security to the organization. Firmware: A sequence of instructions (software) that is substituted for hardware and stored in read-only memory (ROM). First generation computers: Computers built between 1942 and 1955, which used vacuum tubes and were programmed in assembly language. Few examples are ENIAC, EDVAC and EDSAC. Fixed wireless system: A wireless computing system that supports little or no mobility of the computing equipment associated with the wireless network. Fixed-head magnetic disk: A magnetic disk system that eliminates the use of an access mechanism by distributing all the read/write heads over the disk surfaces. Flash memory See Electrically EPROM (EEPROM). Flip-flop: An electronic circuit, which can be placed in one out of two stable states. Each state may be used to represent a binary digit. Floating-point numbers: Signed numbers held in a fraction-exponent format. For example, 3216 would be represented as 0.3216 x 104 in floating-point notation. Floppy disk: See diskette. Flowchart: A pictorial representation that uses predefined symbols to describe either the logic of a computer program (program flowchart) or the data flow and processing steps of a system (system flowchart). Flowcharting: The process of drawing a flowchart for an algorithm. Font: A complete set of characters with the same style and size. Foreground processing: Automatic execution of high-priority (foreground) jobs by preempting resources held by low-priority (background) jobs. Contrast with background processing. FORmula TRANsIation (FORTRAN): A high-level, programming language used for scientific and engineering applications. Fourth generation computers: Comp...
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This document was uploaded on 04/07/2014.

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