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COMPUTER FUNDAMENTALS
COMPUTER MEMORY

 •RAMIS MADE UP OF SMALL MEMORY CHIPS THAT FORM A
 MEMORY MODULE.
 •THEHARD DRIVE CAN BE COMPARED TO LONG-TERM
 MEMORY AND RANDOM ACCESS MEMORY TO SHORT
 TERM MEMORY
 •IF
   YOU ADD RAM TO A COMEPUTER IT INCREASES
 PREFORMENCE
HARDWARE MAINTENANCE
 •TOCUT DOWN ON COMPUTER REPAIR IS THROUGH
 PREVENTATIVE MAINTENANCE PEROFRMED ON A
 REGULER SCHEDULE.


 •YOUSHOULD CLEAN YOUR COMPUTER EVERY 3-6
 MONTHES if in a dusty environment clean often


 •dust and ink from inexpensive paper can affect the
 printers rollers.
INKJET PRINTER
 •Aftera lot of usage dry ink accumulates on the print head of
 the printer…….this will affect the print quality


 •Inkjetprinters have a self cleaning mode that is accessed
 with a panel control…if it does not work you have to use a
 flush dirt and debris to unclog it.
LASER PRINTER
 •Laserprinters should be cleaned when quality deteriorates
 or when you change the toner cartridge.



 •USE A PRINTER BRUSH OR A GOOD PAINT BRUSH AND
 LINT-FREE CLOTH TO CLEAN INSIDE THE TONER OPEINING



 •DONOT TOUCH ANYTHING SHINY BECAUSE IT MIGHT BE
 HOT OR CONTAIN A CHARGE
KEYBORADS
 •CHOOSINGA KEYBOARD IS COMPILCATED….THE
 PERSON USING IT SHOULD CHOSE IT.



 •ERGONOMIC  KEYBOARDS ALLOW FOR O MORE NATURAL
 POSITING OR YOUR ARM AND HANDS



 •WIRELESSREDUCES THE CLUTTER OF UNSIGHTLY
 WIRES AND OTHER CABLE PROBLEMS AND IMPORVES
 MOBILTY
MOUSE
 •AVARITY OF MOUSE DEVICES ARE AVAILABLE,
 INCLUDING WIRELESS, OPTICAL, AND COMBINATIONS.


 •TOUCHPAD ARE ANOTHER POITNTING DEVICES YOU
 CAN USE INSTEAD OF A MOUSE
COOKIES
  •ACOOKIE IS SMALL TEXT FILE THAT A WEB SITE USES
  TO IDENTIFY A SPECIFIC COMPUTER


  •COOKIES   ARE NOT A THREAT


  •COOKIES   ARE USED TO GATHER INFORMATION
SPECIALIZED MAINTENANCE
  •YOUCAN PROVIDE ROUTINE MAINTENANCE AS
  DISCUSSED IN THIS LESSON.


  •REPLACING   THE PROCESSOR


  •REPLACING   OR ADDING A HARD DISK
TEMPORARY FILES
 •TO   FREE MEMORY FOR OTHER PROGRAMS


 •TO   ACT AS A SAFETY NET TO PRVENT DATA LOSS


 •FOR   PRINTING

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Presentation1

  • 2. COMPUTER MEMORY •RAMIS MADE UP OF SMALL MEMORY CHIPS THAT FORM A MEMORY MODULE. •THEHARD DRIVE CAN BE COMPARED TO LONG-TERM MEMORY AND RANDOM ACCESS MEMORY TO SHORT TERM MEMORY •IF YOU ADD RAM TO A COMEPUTER IT INCREASES PREFORMENCE
  • 3. HARDWARE MAINTENANCE •TOCUT DOWN ON COMPUTER REPAIR IS THROUGH PREVENTATIVE MAINTENANCE PEROFRMED ON A REGULER SCHEDULE. •YOUSHOULD CLEAN YOUR COMPUTER EVERY 3-6 MONTHES if in a dusty environment clean often •dust and ink from inexpensive paper can affect the printers rollers.
  • 4. INKJET PRINTER •Aftera lot of usage dry ink accumulates on the print head of the printer…….this will affect the print quality •Inkjetprinters have a self cleaning mode that is accessed with a panel control…if it does not work you have to use a flush dirt and debris to unclog it.
  • 5. LASER PRINTER •Laserprinters should be cleaned when quality deteriorates or when you change the toner cartridge. •USE A PRINTER BRUSH OR A GOOD PAINT BRUSH AND LINT-FREE CLOTH TO CLEAN INSIDE THE TONER OPEINING •DONOT TOUCH ANYTHING SHINY BECAUSE IT MIGHT BE HOT OR CONTAIN A CHARGE
  • 6. KEYBORADS •CHOOSINGA KEYBOARD IS COMPILCATED….THE PERSON USING IT SHOULD CHOSE IT. •ERGONOMIC KEYBOARDS ALLOW FOR O MORE NATURAL POSITING OR YOUR ARM AND HANDS •WIRELESSREDUCES THE CLUTTER OF UNSIGHTLY WIRES AND OTHER CABLE PROBLEMS AND IMPORVES MOBILTY
  • 7. MOUSE •AVARITY OF MOUSE DEVICES ARE AVAILABLE, INCLUDING WIRELESS, OPTICAL, AND COMBINATIONS. •TOUCHPAD ARE ANOTHER POITNTING DEVICES YOU CAN USE INSTEAD OF A MOUSE
  • 8. COOKIES •ACOOKIE IS SMALL TEXT FILE THAT A WEB SITE USES TO IDENTIFY A SPECIFIC COMPUTER •COOKIES ARE NOT A THREAT •COOKIES ARE USED TO GATHER INFORMATION
  • 9. SPECIALIZED MAINTENANCE •YOUCAN PROVIDE ROUTINE MAINTENANCE AS DISCUSSED IN THIS LESSON. •REPLACING THE PROCESSOR •REPLACING OR ADDING A HARD DISK
  • 10. TEMPORARY FILES •TO FREE MEMORY FOR OTHER PROGRAMS •TO ACT AS A SAFETY NET TO PRVENT DATA LOSS •FOR PRINTING