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Machine code. In computer science, an instruction set architecture ( ISA) is an abstract model that generally defines how software controls the CPU in a computer or a family of computers. [ 1] A device or program that executes instructions described by that ISA, such as a central processing unit (CPU), is called an implementation of that ISA.
Bus (computing) In computer architecture, a bus[ 1] (historically also called data highway[ 2] or databus) is a communication system that transfers data between components inside a computer, or between computers. This expression covers all related hardware components (wire, optical fiber, etc.) and software, including communication protocols.
Computer memory stores information, such as data and programs, for immediate use in the computer. [ 2] The term memory is often synonymous with the terms RAM, main memory, or primary storage. Archaic synonyms for main memory include core (for magnetic core memory) and store. [ 3]
Historical. v. t. e. Static random-access memory ( static RAM or SRAM) is a type of random-access memory (RAM) that uses latching circuitry (flip-flop) to store each bit. SRAM is volatile memory; data is lost when power is removed. The term static differentiates SRAM from DRAM ( dynamic random-access memory): SRAM will hold its data permanently ...
With the proposal of the stored-program computer, this changed. A stored-program computer includes, by design, an instruction set, and can store in memory a set of instructions (a program) that details the computation. A stored-program design also allows for self-modifying code. One early motivation for such a facility was the need for a ...
t. e. A computer program is a sequence or set [ a] of instructions in a programming language for a computer to execute. It is one component of software, which also includes documentation and other intangible components. [ 1] A computer program in its human-readable form is called source code.
Mnemonic. Knuckle mnemonic for the number of days in each month of the Gregorian calendar. Each knuckle represents a 31-day month. A mnemonic device ( / nɪˈmɒnɪk / nih-MON-ik) [ 1] or memory device is any learning technique that aids information retention or retrieval in the human memory, often by associating the information with something ...
Naming convention (programming) In computer programming, a naming convention is a set of rules for choosing the character sequence to be used for identifiers which denote variables, types, functions, and other entities in source code and documentation . Reasons for using a naming convention (as opposed to allowing programmers to choose any ...