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glossary 561supercomputer — The class of fastest and most powerful computers available.superscalar — A later-generation RISC computer.syntax — The rules governing the structure of a language.TCP/IP — Transmission control protocol/internet protocol.telnet — Protocols for computer–computer communications.tera, T — Prefix indicating 10 12 .top-down programming — Designing a program from the most general view ofthe problem down to the specific subroutines.unary — An operation that uses only one operand; monadic.underflow — The result of trying to store too small a number.unit — A device having a special function.upload — Data transfer from a local to a remote computer; the opposite ofdownload.URL — Universal resource locator; web address.utility programs — Programs to enhance other programs or do chores.vector — A group of N numbers in memory arranged in 1-D order.vector processing — Calculations in which an entire vector of numbers isprocessed with one operation.virtual memory — Memory on the slow, hard disk and not in fast RAM.visualization — Conversion of numbers to 2-D and 3-D pictures or graphs.volume — A physical unit of a storage medium, such as a disk.voxel — A volume element on a regular 3-D grid.word — A unit of main storage, usually 1, 2, 4, 6, or 8 bytes.word length — The amount of memory used to store a computer word.WWW — World wide web.−101COPYRIGHT 2008, PRINCET O N UNIVE R S I T Y P R E S SEVALUATION COPY ONLY. NOT FOR USE IN COURSES.ALLpup_06.04 — 2008/2/15 — Page 561