Computer Competencies

Input Devices 3.2.4

• Keyboard
• Mouse
• Scanner
• Digital Camera
• CD-ROM drive

Media

• CD-ROM disk
• Floppy disk
• Video tape
• Slides
• Paper and Mylar

CPU 3.2.1

• Function
• Main subsystems
  • CPU chip
  • Cache
  • RAM
  • Display
  • Disk I/O
  • Networking
• Popular types
  • Intel x86, Pentium
  • PowerPC 60x

Data Storage 3.2.6

• Removable
  • Floppy
  • Zip, Jaz
  • CD-ROM, CD-R
  • SyQuest
  • Tape - Travan, DAT
• Fixed
  • Hard Disk
  • RAID

Output devices 3.2.5

• Printer
  • Laserprinter
  • Inkjet
• Plotter
  • Pen
  • Inkjet
• Video
  • Panel
  • Projector
• Monitor

User interface

• WIMP (Windows, Icons, Menus, Pointer)
• Command line
• Other (Voice, etc.)

Networking

• Local Area Network
  • Standards - Ethernet, Token ring
  • Protocols - TCP/IP, IPX, LocalTalk
  • NIC (Network Interface Card)
  • Wire - Coax, Twisted pair
  • Hub - Switched, unswitched
  • Backbone
• Wide Area Network
  • Service level - ISDN, T1, T3
  • Routers
  • Bridges
• Modems
  • Speeds
  • Protocols

Advantages and Disadvantages of Computers

• Drawing/rendering time
• Accuracy/realism
• Appearance and readability
• Ease of duplication and modification
• Ease of display
• Portability

Computer File Management skills

• Hot keys, macros
• Formatting media
• Locating and opening files
• Saving files to different media
• Transfer/translate data among different media
• Generating output from a file
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Further Resources