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Computer Hardware & Software and Emerging Trend & Technologies Yong Choi School of Business CSU, Bakersfield
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Computer Hardware Comprehensive term for all the physical parts of a computer Tangible: things that you can actually touch and feel –disks, monitors, keyboards, printers, boards, speaker, and chips. Falling price of HW –Technical driving force of the Information Age
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Computing Power Faster Cheaper (PC: less than $500) Smaller Shorter computer product life cycle
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Storage Price of 1 MB hard drive space 1983: $300 –** First PC in 1981 –** Early IBM PCs have 20 - 30 MB 1989: $ 2 1997: $.07 Today: minimal
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Transmission One hour teleconferencing –1985: $100 –1998: less than $10 –Today: minimal (i.e., skype) Internet dial-up service –1997: AVG. $40 –DSL: less than $15
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Hardware Trend More Multimedia Oriented…. –graphics, picture, sound, voice, video clip –DMBDMB Smaller, Smarter…. –Tablet PC (ipad), smart phone…. More powerful –Traditional: single CPU vs. all tasks –Parallel: multiple CPUs vs. many tasks –Massive parallel (process many tasks simultaneously) many networked CPUs vs. many tasks
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Computer Software Intangible: untouchable –Written in various computer program languages –C++, Java, VB.NET.... Set of instructions that hardware executes to carry out a specific task for you Changing of SW price Availability of various SW tools –Technical driving force of the Information Age More important than HW –Y2K –WorldCom (now MCI)
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Two Major Categories of Software 1.Application software – enables you to solve specific problems or perform specific tasks
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Two Major Categories of Software 2.System software – handles tasks specific to technology management and coordinates the interaction of all technology devices Two main types of system software –Operating system software – controls application software and manages hardware devices –Utility software – provides additional functionality to your operating system: Anti-virus, Screen saver….
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GUI vs. Command Driven DOS vs. Windows (i.e., 98, 2000, XP, Windows 7..) End-user acceptance End-user training Productivity Technical Compatibility –no DOS market after 2002
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Demo of Command Driven Start programs accessories command prompt Try to delete “ sylmis300.ppt ” PowerPoint file –dir –cd my documents (not case sensitive but space) –dir (to see available files) –del sylmis300.ppt (don’t forget the file extension) –dir
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Popular Operating Systems
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The Evolution of Programming Languages
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The instruction “ADD 2 and 5 and assign the result to variable y” written in different programming languages
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JAVA Developed and introduced in 1995 (the newest) by Sun Microsystems Platform independent –JAVA program can be run on Windows, Unix, Linux, OS/2, and System 7 Very robust –If necessary, JAVA can handle text, data, sound, and video within one program. ONLY language for the Internet-based EC –Young, hidden problems, and slow execution speed
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SW Considerations Compatibility with existing software Outsourcing Off-the-shelf software
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