1 / 15

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

ostinmannual
Télécharger la présentation

Laurie Shteir

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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

More Related