1. Lesson 4 : Computer Literacy
Basics
Laquan Hale

2. Maintenance Issues
• To maintain optimal performance, you have to
keep up with your hardware.
• Even if you do not download anything, you
might still experience problems.
• A good thing to check for is tangled or damaged
cables.

3. Hardware Maintenance
• In general you should clean a computer every 3
to 6 months.
• It is important that you check for dust, dirt, hair
and food particles.

4. Upgrades And Consumables
• If your hardware device starts experiencing
problems you might have to update the device
driver.
• It is also smart to check the memory.
• If all else fails replacing the device is always a
solution.

5. Preventative Maintenance
• All computers slow down as you add/delete files
and do other normal activities.

6. Specialized Maintenance
• Replacing processors
• Replacing or adding a hard disk
• Replacing electrical components
• Replacing or adding additional RAM

7. Cookies
• Is a small text file that a website uses to
recognize a certain computer
• Are not a threat to your computer
• Mostly used to gather information about your
surfing habits

8. Computer Memory
• One way to measure a computers power
• Adding RAM generally speeds up a computers
performance
• RAM is a type of temporary memory

9. Disk Defragmentation
• You should run the Disk Defrag as a regular
maintenance job.
• Puts the subdivided clusters of a file back
together.

10. Recycle Bin
• Stores files that are ready for deletion.
• Once a file is deleted from here it can not be
restored

11. Temporary Files
• Used free memory for other programs
• Used to act as a safety net to prevent data loss
• Used by apps and programs to work faster