From 1954 to 1958 American computer scientist John Backus of International Business Machines, Inc. (IBM) developed Fo
It is an interface between user and the computer machine.Operating System (OS), in computer science, the basic softwa
Software, on the other hand, is the set of instructions a computer uses to manipulate data, such as a word-processing
SCSI, acronym for small computer system interface, a standard high-speed parallel interface defined by the X3T9.2 com
Graphics Card, also called a video adapter, translates computer software instructions into images displayed on the mo
Expansion Slot, in computer science, a socket inside a computer console, designed to hold expansion boards and connec
Sound Card, printed circuit board, or card, that can translate digital information into sound and back; also called a
Expansion Board, in computer science, circuit board holding chips and other electronic components connected by conduc
MS-DOS, acronym for Microsoft Disk Operating System. In computer science, MS-DOS—like other operating systems—oversee
MS-DOS, acronym for Microsoft Disk Operating System. In computer science, MS-DOS—like other operating systems—oversee
Operating systems continue to evolve. A recently developed type of OS called a distributed operating system is design
Operating systems commonly found on personal computers include UNIX, Macintosh OS, and Windows. UNIX, developed in 19
OS/2, or Operating System 2, operating system developed for the personal computer in the mid-1980s by International B
UNIX, in computer science, a powerful multiuser, multitasking operating system. Considered a very powerful operating
Windows, in computer science, personal computer operating system sold by Microsoft Corporation that allows users to e
Operating systems control different computer processes, such as running a spreadsheet program or accessing informatio
Compiler, in computer science, computer program that translates source code, instructions in a program written by a s
Hungarian-American mathematician John Kemeny and American mathematician Thomas Kurtz at Dartmouth College in Hanover,
Assembly language uses easy-to-remember commands that are more understandable to programmers than machine-language co
High-Level Language, in computer science, a computer language that provides a certain level of abstraction from the u
One especially powerful feature of OOP languages is a property known as inheritance. Inheritance allows an object to
Low-Level Language, in computer science, a computerprogramming language that is machine-dependent and/or that offers
Object Code, in computer science, translated version of source code—the statements of a particular computer program t
Object-Oriented Programming (OOP), in computer science, type of high-level computer language that uses self-contained
Object-oriented programming (OOP) languages, such as C++ and Java, are based on traditional high-level languages, but
Other high-level languages in use today include C, C++, Ada, Pascal, LISP, Prolog, COBOL, Visual Basic, and Java. Som
Other high-level languages in use today include C, C++, Ada, Pascal, LISP, Prolog, COBOL, Visual Basic, and Java. Som
Programming languages contain the series of commands that create software. A CPU has a limited set of instructions kn
Source Code, in computer science, human-readable program statements written in a high-level or assembly language, as
Vector Graphics, in computer science, a method of generating images that uses mathematical descriptions to determine
Raster Graphics, in computer science, a method of generating graphics in which images are stored as multitudes of sma
PostScript Font, in computer science, a font defined in terms of the PostScript page-description language rules and i
Pixel, in computer science, short for picture element; sometimes called a pel. One spot in a rectilinear grid of thou
Object-Oriented Graphics, also called structured graphics. Computer graphics that are based on the use of “constructi
Halftone, the printed reproduction of a photograph or other illustration as a set of tiny, evenly spaced spots of var
Font, traditionally, a set of characters of the same typeface (such as Courier), style (such as italic), stroke weigh
False-Color Imagery, graphic technique that displays images in false (not true-to-life) colors to enhance certain fea
Clipboard, in relation to computers, a special memory resource maintained by operating systems such as the Apple Maci
Clip Art, in computer applications, such as desktop publishing and word-processing programs, collections of graphics
Bit-Mapped Graphics, in computer science, computer graphics that are stored and held as collections of bits in memory
Bit Image, in computer science, a sequential collection of bits that represents, in memory, an image to be displayed
Byte, a unit of information built from bits, the smallest units of information used in computers. Bits have one of tw
Although microprocessors are still technically considered to be hardware, portions of their function are also associa
Graphical User Interface (GUI), in computer science, a display format that enables the user to choose commands, start
Although microprocessors are still technically considered to be hardware, portions of their function are also associa
Byte, a unit of information built from bits, the smallest units of information used in computers. Bits have one of tw
To function, hardware requires physical connections that allow components to communicate and interact. A bus provides
Bit, abbreviation for binary digit, the smallest unit of information in a computer. A bit is represented by the numbe
To function, hardware requires physical connections that allow components to communicate and interact. A bus provides
Hardware (computer), equipment involved in the function of a computer. Computer hardware consists of the components t
