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5 - Software - 1 Session 5 Computer Software BIT 200...

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Unformatted text preview: 10/7/2011 1 Session 5 Computer Software BIT 200 Personal Productivity Agenda & What’s in the News & Reflection on Last Week & Wiki/Tech Topics: Robots & Types and Characteristics Computer Software WHAT’S IN THE NEWS? 3 10/7/2011 2 REFLECTION ON LAST WEEK Web 2.0 Web 2.0 & Web 2.0 refers to web sites where site users can contribute to content as well as site owners & Examples: – Product ratings and reviews – Social networks (e.g. Facebook) – Wikis – Twitter – Blogs/Podcasts – Bookmarking exchanges WIKI/TECH TOPICS PROJECT Robots 10/7/2011 3 Learning Objectives for Today & What is the function of software? – Understand the basic types of software – How is the way we control computers through software changing? & What is system software? – Understand the functions of an operating system – Understand the primary types of programming languages & What is application software? – Define personal productivity applications – Define business application systems – Understand how software delivery is evolving SOFTWARE OVERVIEW http://www.commoncraft.com/video/computer-software COMPUTER SOFTWARE IN PLAIN ENGLISH Computer System Software Instructs Hardware Control Unit Arithmetic Logic Unit Primary Storage Unit (RAM) Input Devices Output Devices Secondary Storage Devices Hold Software Central Processing Unit (CPU) 10/7/2011 4 Computer Hardware is Programmable • CPUs have built-in, primitive commands. “Get a piece of data from storage”, “add two numbers together”, etc. • Programmability is the key to their power and makes CPUs general-purpose, but… • CPUs can only respond to binary inputs – 00101011011. Really hard to use at the machine level. • Software enables us to instruct computer hardware to do what we want more easily Hardware System(s) Software Type Description Example Operating systems Master control program; provides common functions that application software needs Windows Utilities Support programs; used to maintain a computer system Norton Utilities Device drivers Handle communication with peripheral devices Printer drivers Compilers/interpreters Used to turn programming language statements into hardware instructions C++ compiler Hardware Systems software Application Software & Provides tools tailored to perform a particular kind of task & Excel, PowerPoint, TurboTax, Quicken, SAP, Autodesk, Grand Theft Auto,… Hardware System Software Application software 10/7/2011 5 User-Written Software & Written using application packages and/or programming...
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5 - Software - 1 Session 5 Computer Software BIT 200...

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