Information and Technology

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CHAPTER 4 – COMPUTER SOFTWARE LEARNING OBJECTIVES 1. Describe several important trends occurring in computer software. 2. Give examples of several major types of application and system software. 3. Explain the purpose of several popular software packages for end user productivity and collaborative computing. 4. Outline the functions of an operating system. 5. Describe the main uses of computer programming software, tools, and languages. ONLINE LECTURE Section I: Application Software: End User Applications Introduction to Software: This chapter presents an overview of the major types of software that you depend on as you work with computers and access computer networks. It discusses their characteristics and purposes and gives examples of their uses. Types of Software Let’s begin our analysis of software by looking at an overview of the major types and functions of application software and system software that are available to computer users. Information systems depend on software resources to help end users use computer hardware to transform data resources into a variety of information products. Software is needed to accomplish the input, processing, output, storage, and control activities of information systems. Computer software is typically classified into two major types of programs: 1. Application Software - Programs that direct the performance of a particular use, or application, of computers to meet the information processing needs of end users. 2. System Software - Programs that manage and support the resources and operations of a computer system as it performs various information processing tasks. Application Software for End Users: General-purpose application programs – Programs that perform common information processing jobs for end users. Examples include: 3. Wordprocessing programs 4.

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