4 Computer Software SUMMARY • Software. Computer software consists of two major types of programs: (1) application software that directs the performance of a particular use, or application, of computers to meet the information processing needs of users and (2) system software that controls and supports the operations of a computer system as it performs various information processing tasks. Refer to Figure 4.2 for an overview of the major types of software. • Application Software. Application software includes a variety of programs that can be segregated into general-purpose and application-specific categories. General-purpose application programs perform common information processing jobs for end users. Examples are word processing, electronic spreadsheet, and presentation graphics programs. Application-specific programs accomplish information processing tasks that support specific business functions or processes, scientific or engineering applications, and other computer applications in society. • System Software.
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