/sawft"wair', soft"-/, n.
1. Computers. the programs used to direct the operation of a computer, as well as documentation giving instructions on how to use them. Cf. hardware (def. 5).
2. anything that is not hardware but is used with hardware, esp. audiovisual materials, as film, tapes, records, etc.: a studio fully equipped but lacking software.
3. Television Slang. prepackaged materials, as movies or reruns, used to fill out the major part of a station's program schedule.
[1955-60; SOFT + WARE1]

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Instructions that tell a computer what to do.

Software is the entire set of programs, procedures, and routines associated with the operation of a computer system, including the operating system. The term differentiates these features from hardware, the physical components of a computer system. Two main types of software are system software, which controls a computer's internal functioning, and application software, which directs the computer to execute commands that solve practical problems. A third category is network software, which coordinates communication between computers linked in a network. Software is written by programmers in any number of programming languages. This information, the source code, must then be translated by means of a compiler into machine language, which the computer can understand and act on.

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      instructions that tell a computer what to do. Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system. The term was coined to differentiate these instructions from hardware—i.e., the physical components of a computer system. A set of instructions that directs a computer's hardware to perform a task is called a program, or software program.

      The two main types of software are system software and application software. System software controls a computer's internal functioning, chiefly through an operating system (q.v.), and also controls such peripherals as monitors, printers, and storage devices. Application software, by contrast, directs the computer to execute commands given by the user and may be said to include any program that processes data for a user. Application software thus includes word processors, spreadsheets, database management, inventory and payroll programs, and many other “applications.” A third software category is that of network software, which coordinates communication between the computers linked in a network.

      Software is typically stored on an external long-term memory device, such as a hard drive or magnetic diskette. When the program is in use, the computer reads it from the storage device and temporarily places the instructions in random access memory (RAM). The process of storing and then performing the instructions is called “running,” or “executing,” a program. By contrast, software programs and procedures that are permanently stored in a computer's memory using a read-only (ROM) technology are called firmware, or “hard software.”

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Universalium. 2010.

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