Core rope memory — test sample from the Apollo Program. Core rope memory is a form of read only memory (ROM) for computers, first used by early NASA Mars probes and then in the Apollo Guidance Computer (AGC) designed and programmed by the MIT Instrumentation La … Wikipedia
Bit — This article is about the unit of information. For other uses, see Bit (disambiguation). Fundamental units of information bit (binary) nat (base e) ban (decimal) qubit (quantum) This box … Wikipedia
Bit array — A bit array (or bitmap, in some cases) is an array data structure which compactly stores individual bits (boolean values). It implements a simple set data structure storing a subset of {1,2,..., n } and is effective at exploiting bit level… … Wikipedia
Magnetic-core memory — A 32 x 32 core memory plane storing 1024 bits of data. Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRA … Wikipedia
Magnetic core memory — Magnetic core memory, or ferrite core memory, is an early form of random access computer memory. It uses small magnetic ceramic rings, the cores , through which wires are threaded to store information via the polarity of the magnetic field they… … Wikipedia
Computer data storage — 1 GB of SDRAM mounted in a personal computer. An example of primary storage … Wikipedia
Early IBM disk storage — The invention of magnetic disk storage, pioneered by IBM in the 1950s, was a critical component of the computer revolution. This article surveys the major IBM computer disk drives introduced in the 1950s, 1960s and early 1970s. The basic… … Wikipedia
NX bit — The NX bit, which stands for No eXecute, is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions (or code) or for storage of data, a feature normally only found in Harvard architecture… … Wikipedia
Extensible Storage Engine — For JET Red storage engine of Microsoft Access, see Microsoft Jet Database Engine. For the teacher s term, Exceptional education. Extensible Storage Engine (ESE), also known as JET Blue, is an Indexed Sequential Access Method (ISAM) data storage… … Wikipedia
computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… … Universalium
Year 2000 problem — Y2K redirects here. For other uses, see Y2K (disambiguation). The (French) sign reads 3 January 1900 instead of 3 January 2000 The Year 2000 problem (also known as the Y2K problem, the Millennium bug, the Y2K bug, or simply Y2K) was a problem for … Wikipedia