Lesson 4 : Computer Literacy Basics

Laquan Hale

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.

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.

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.

Preventative Maintenance•All computers slow down as you

add/delete files and do other normal activities.

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

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

Computer Memory•One way to measure a computers power•Adding RAM generally speeds up a

computers performance• RAM is a type of temporary memory

Disk Defragmentation•You should run the Disk Defrag as a

regular maintenance job.•Puts the subdivided clusters of a file back

together.

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

be restored

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