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Laurie Shteir

Fasttrack to Computers Laurie Shteir Temple University CIS Dept. What do Computers Do??? A recipe following machine Example of a program in English - 6 instructions (the program), with 2 variables (J and K - the data). 1. move the number 1 into box J 2. move the number 1 into box K

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Laurie Shteir

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  1. Fasttrack to Computers Laurie Shteir Temple University CIS Dept.

  2. What do Computers Do??? • A recipe following machine • Example of a program in English - 6 instructions (the program),with 2 variables (J and K - the data). • 1. move the number 1 into box J • 2. move the number 1 into box K • 3. output (print) the number in box J • 4. add 2 to the number in box K • 5. add the number in box K to the number in box J • 6. go to step 3

  3. Personal Computer

  4. Computer System • Computer • Hardware • Software • Categories • Personal Computer • Mobile Computers and mobile devices • Mid-range server • Mainframe computer • Super computer

  5. Information • Information Technology(IT) is defined as a set of tools that helps you work with information and perform tasks related to information processing • What are some important qualities • Accuracy • Timeliness • Relevancy • Organization

  6. Software • Application Software • Written to solve a particular problem or perform a specific operation • Mac Write, EXCEL, FoxPro • System Software • Designed to coordinate the computers operations. It manages the activities and allows us to utilize its capabilities. A large portion of system software is called the Operating System • DOS, Windows (Windows 3.0, 3.1, 3.11) • Windows95, Windows 98, Windows Me • Windows NT, Windows 2000 Professional • Windows XP (new look, redesigned start menu, multiple user accounts, more networking features built in)

  7. Categories of Computers • Personal Computer • Desktop, tower model, workstation, laptop • Geared towards one user or connected to a network • Around a 1,000.00 • In October, average price without monitor = $750 • Basic building block is called the processor • PC(Windows) • Apple Macintosh (Mac OS) • Mobile Computers and Mobile Devices • Laptop Computer (notebook), tablet PC, PDAs, smartphones • A Mobile Computer:Personal Computer that you carry • Mobile Device: Device small enough to fit in your hand

  8. Mid Range Server (mini computers) Can support several thousand users Accessed via a PC or terminal $5,000 - $150,000 Mainframe Large, Powerful, expensive Partial room to a full room Can support hundreds to thousands of users $300,000 – several million Supercomputer Fastest and most powerful Full room of equipment Several Million Dollars and up (more than $85 million) Thousands of Users Categories of Computers

  9. How are Computers Used • Home Users • Desktop Computers, PDAs, Productivity Software, Browser Software, Entertainment, email • Small Office/Home Office • Desktop Computer, PDAs, Shared Network Printer, Productivity Software, Personal information manager, Company specific software, Browser software and email • Mobile Users • Notebook computer + modem or a Tablet PC, Video Projector, Web-enabled PDA/smart phone, presentation software, Personal information Manager, Browser software, E-Mail, company specific software • Large Business Users • Midrange server or mainframe, desktop or notebook computer, PDA,Productivity software, Personal information manager, Network software, Web Browser, Email, Company specific software • Power Users • Workstations to design plans, produce applications, create graphic art and multimedia, WEB based products, Desktop Publilshing, Multimedia authoring, computer aided design, Photo editing, Personal information Manager, Browser Software, E-Mail

  10. Personal Computer System • Input Hardware: Keyboard & Mouse • Processing & Memory Hardware: Case, Power Supply, Processor Chip, Memory Chips, Motherboard, Expansion Slots • Storage Hardware: Floppy Drive, Hard Drive, CD/DVD Drive • Output Hardware: Monitor, Speakers, Printer, Video and Sound Cards • Communications Hardware: Modem

  11. Software

  12. Software • Copyrighted Software • Licensed Software • Licenses for more than one person • Site License • Shareware • Freeware • Public-Domain Software • Rental Software

  13. Copyright Debate • MP3 Digital music (Moving Picture Expert Group Layer 3) Issues File size Mobility Piracy Record Industry

  14. Gift of Fire • Automates tasks to be more accurate, easier and faster • Enhances communication • Changes the way we live and do business • Security • Privacy • Dependency on large systems

  15. Using the Internet • Getting an account • Accessing Course Material on the WWW • http://ww2.cis.temple.edu/laurie

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