Computer Software

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Computer software is a complete set of instructions written to solve a specific problem on a computer. It refers to the set of computer programs that cause the hardware (computer system) to function i…

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Computer software is classified into two main categories: (1) System Software - General programs written by manufacturers that manage hardware and help the computer function (examples: Operating Syste…

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An Operating System (OS) is the most important system software that manages all computer resources and enables the computer to function. Major functions include: (1) User identification and resource m…

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Job Control Language (JCL) is a fixed set of commands that an Operating System understands. JCL commands are used by computer users to communicate their requirements to the operating system. These com…

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Batch Processing OS: Executes jobs serially one after another from a batch of submitted jobs. The CPU sits idle during input/output operations of a job, reducing overall efficiency. Used in early seco…

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Utility Software is system software used frequently during program development and maintenance. It consists of pre-written, general-purpose programs that handle common computing tasks. Examples includ…

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Application Software is written to perform specific tasks or processes like accounting, payroll, mailing lists, or result preparation. The majority of application software is written in high-level lan…

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Five common application packages widely used on personal computers are: (1) Word Processor - creates, formats, and edits text documents (Example: Microsoft Word). (2) Database Processing - manages org…