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Basic comp oper


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computer basics

computer basics

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  • 2. OUTLINE Computer Hardware Operating systems Terms Disk capacities Viruses Applications and Documents Installation/reinstallation Internet Applications
  • 3. Computer Hardware Case  Keyboard/mouse Power switch  Network card Reset switch  Modem Hard drive  Sound card Floppy  Video card CD/DVD  RAM Serial ports  Motherboard Parallel port  Fan USB port  Cables
  • 4. The basic system including keyboard,mouse and monitor.
  • 5. What is in the box?Motherboard
  • 6. Typical parts of a motherboard. ABIT SE6
  • 7. CablingFor items in or attachedto a system to workproperly they must besecurely connected.
  • 8. Operating systems All computer systems have an operating system. Currently, there are three dominate typical user operating systems.  Macintosh OS,  Microsoft Windows OS,  Linux.
  • 9. Terms A: Floppy disk C: Local disk D: Local disk (partition) RAM = Random Access Memory. The thinking space available to a computer to use while performing operations. The space is emptied out when the computer is turned off. DIRECTORY = An organizational structure on disks to file management easier. Directories also become a local region for the computer to hunt for other files related to the current file. DOCUMENT = A file created using an application. The file is only useful using the application that created it or a similar application that can convert it. APPLICATION = A program that allows a computer to perform a certain function.
  • 10. Disk capacities Floppy: 1.4 MB Hard disk: 20 GB – 160 GB CD 700 - 800 MB DVD 4.7 GB 17 GB1 KILOBYTE = 1000 BYTE1 MEGABYTE = 1000 KB1 GIGABYTE = 1000 MB
  • 11. BackupFloppies, CDs
  • 12. Identify and use icons,windows, menus Point, click, double-click, drag & drop Minimize and maximize a window Use pull-down menus Select, open, and move an icon Select, open, move, and close a window Resize a window Scroll a window Activate and de-activate a window Start an application and create a document
  • 13. Name, save, retrieve, revise adocument Name a document (!) Save a document Retrieve a document from floppy disk Retrieve a document from hard disk Re-name a document Edit and re-save a document Print a document Create and name folders Save, open, and place documents inside folders
  • 14. Applications Open and work with more than one application at a time  To switch between them for Windows: click on the application at the "TASKBAR" down on the screen  Alt &TAB button
  • 15. Install/reinstall and update systemsoftware and drivers
  • 16. Internet ApplicationsBROWSERS  Netscape  Internet Explorer http: Hyper Text Transfer Protocol edu: Education (gov, org, com, ...)
  • 17. FTP (File Transfer Protocol) The simplest and most secure way to exchange files over the Internet. FTP Client is the software that is designed to transfer files back-and-forth between two computers over the Internet. It needs to be installed on the computer and can only be used with a live connection to the Internet. (Browsers, WS-Ftp, SSH, Cute-Ftp,...) PC ARF
  • 18. Viruses Viruses are programs that reproduce themselves into the files of your computer Anti-virus software and automatic update  Mcafee Virus Scan Configuration of Automatic Mcafee Virus Update via FTP Current security patches applied to operating system and applications. Do not open any unexpected attachments that are e-mailed to you. (Particularly “.exe” files.)
  • 19. REFERENCES Computer Fundamentals for Teachers Basic Computer Operation and Troubleshooting FTP New User Guide