Card Set Information

2010-09-07 22:08:47
computer test

computer test 1
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  1. browser
    A software application used to display web pages, access web resources, and search the web
  2. cookie
    a text file that is sometimes saved to your computer when you visit a web site, identifying you as a return visitor when you revisit the site later
  3. E-commerce
    • conducting online business through advertising, selling, and buying products
    • Business to consumer
    • consumer to consumer
    • business to business
  4. file transfer protocol (FTP)
    used for uploading, storing, and downloading sharable files over the internet
  5. hyperlink
    a text or graphical element that, when clicked, displays another area of the same web page or displays another web page or resource
  6. hypertext markup language (HTML)
    widely used authoring language to create web pages; defines structure and formatting throughout with HTML tags
  7. Hypertext transfer protocol (HTTP)
    a set of rules that dictates how web pages are formatted
  8. Internet
    A global info network comprised of millions of interconnected computers to disseminate info and communicate with other people around the world
  9. internet service provider (ISP)
    a company that provides access to the internet
  10. Phishing
    the act of sending fraudulent email in an attempt to collect personal info by pretending to be a legitimate enterprise
  11. Protocol
    A set of rules that govern date formats and transmission
  12. Uniform Resource Locator (URL)
    the specific address of a world wide wed file
  13. Web Page
    a single document formatted to be used on the web, typically consisting of text, graphic, animation, and/or sound
  14. Web server
    a computer that contains web pages, has server software installed, and is connected to the internet
  15. world wide web
    a subset of the internet that supports point and click navigation to info and resources
  16. communication devices
    Dial up, Cable, satellite, and DSL
  17. Output devices
    • Printer - Impact (Dot Matrix), Non Impact (Inkjet, Photo, Laser)
    • Monitor - CRT, LCD
  18. Input Devices
    Keyboard, mouse, digital camera, scanner, microphone
  19. Storage Devices
    • Magnetic Disk (Floppy, Hard)
    • Optical (CD, DVD)
    • Tape
    • Flash memory card, USB
  20. System Software
    • used by the computer system to control the operations of computer equipment
    • -operating system
    • -utility programs
    • -device driver
  21. Application Software
    • Used by the user to tell the computer how to produce info
    • -Word
    • -Excel
    • -Access
    • -Powerpoint
  22. Networks
    • LAN (Local Area Network)
    • WAN (Wide Area Network)
  23. Internet Service Provider
    Online Service Provider
    • Net Zero, PeoplePC
    • AOL, MSN
  24. RAM
    Random Access Memory - computer memory that stores all open programs, contents are only maintained as long as there is a constant supply electricity
  25. ROM
    Read Only Memory - computer memory that cannot be changed. Stores critical programs such as those necessary to boot the computer
  26. Anti virus software
    identifies and isolates computer viruses
  27. antispyware software
    removes spyware from computer
  28. firewall
    acts as a barrier between your computer and the internet, prohibiting unauthorized internet travel to or from the computer
  29. USB port
    connection on a computer that enables peripheral devices, such as printers, network adapters, scanners, and digital cameras to connect
  30. router
    device that enables two networks to communicate
  31. hub
    device that rebroadcasts communication to equipment on a network
  32. binary system
    native format understood by computers, in which only two digits are used - zero and one
  33. bit
    either a one or a zero. it is a binary digit that represents the on or off state of a computer circuit
  34. byte
    a collection fo 8 bits. a byte represents a character on the keyboard
  35. ASCII
    • American Standard Code for Information Interchange
    • -a code for representing keyboard characters as numbers
  36. Unicode
    character coding format that represents global characters from all languages
  37. Hard Copy vs. soft copy
    hard copy is printed out, soft copy is displayed on a computer monitor
  38. resolution
    the sharpness of a displayed image, determined by the number of pixels
  39. Plug and Play
    a windows feature the facilitates the installation of new hardware so that you simply plug it in and being to use it
  40. Shareware vs. Freeware
    Shareware - software developed and distributed to online consumers for a limited time (trial version)

    Freeware - copyrighted software that you can use as you like