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Computer system - Coggle Diagram
Computer system
Data units
Bit: the smallest unit of the computer
Byte: made up of eight bits
Kilobyte: 1,000 bytes
Megabyte: 1MB1,00 kB
Gigabyte CB: 1000 MB
Terabyte TB: 1,000 GB
Petabyte: 1PB 1,000TB
File compression
Process of reducing the file size of one or more flies
freeing up storage space
Responsible Use of Computers
Causes of damage
Deleting system files
Plugging devices into the wrong slots
Overheating
Spilling liquids and food
Using outdated antivirus software
Knocking or rough handling
Protection against Data Loss
Back up your files regularly
To remove or eject external storage devices such as flash drives safely.
Do not leave them unattended to prevent lost
Trouble shooting
Physical device not working
Cable connection to computer is secure
Check power on
An application hang
Wait
Use task Manager to close application
Computer cannot connect to Internet
Check network cable is connect to PC
Check wireless adapter is on and connected to network
If all fails, restart computer