Computing Fundamentals Lesson 04

Computing Fundamentals Lesson 04 - IC 3 BASICS Internet and...

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Unformatted text preview: IC 3 BASICS, Internet and Computing Core Certification Computing Fundamentals Lesson 4 What Is Software? What Is Software? - Lesson 4 2 Objectives Distinguish between software and hardware. Describe the difference between applications software and systems software. Describe the three categories of system programs. Describe operating systems for microcomputers. Describe network operating systems. What Is Software? - Lesson 4 3 Hardware vs. Software Computer systems consist of both hardware and software. Hardware refers to anything you can physically touch. Keyboards, mice, monitors, and motherboards are all hardware. Software consists of the instructions issued to the computer to perform specific tasks. The software on a computer system refers to the programs that make the computer run. What Is Software? - Lesson 4 4 Types of Software Although there are literally thousands of software programs you can buy, there are really only two types of software: application and systems. Application software consists of programs to perform a specific task. Systems software consists of the operating system and all utility programs that are used to manage computer system resources. What Is Software? - Lesson 4 5 Application Software Application software is also called productivity software. It allows an end user to perform some task. The most commonly used categories of application software are Word processing programs Spreadsheet software Database software Presentation software Desktop publishing programs Games What Is Software? - Lesson 4 6 Systems Software Systems software consists of programs that coordinate and control the resources and operations of the computer itself. The three categories of systems software are Operating systems Utility programs Language translators What Is Software? - Lesson 4 7 Systems Software – Operating Systems Operating systems provide an interface between the user and the computer. There are many brands and versions of operating systems. An operating system is designed to work with a specific processor chip. For example, Windows operating systems are designed to work with an Intel processor (or clone) and will not usually work on a Macintosh computer. What Is Software? - Lesson 4 8 Illustration of an Operating System This figure shows a graphical example of how an operating system acts as an interface between the user, the application programs, and the computer. All requests are sent to the hardware through the operating system software. What Is Software? - Lesson 4What Is Software?...
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This note was uploaded on 04/05/2012 for the course IMS 101 taught by Professor Novak during the Fall '11 term at Moraine Valley Community College.

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Computing Fundamentals Lesson 04 - IC 3 BASICS Internet and...

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