Vital information resource under siege change how computers work they may sometimes damage application program cause them to work differently
They may display message, change color of display or delete files
They come from harmful downloads, contaminated storage devices, games containing the virus
Bit is a character, a unit of information a computer processes
It is the smallest unit
Byte is a group of eight digits stored in computer
A CD-ROM is compact disc read only memory
Lan is a connection of computers an area.
WAN this is when computers are connected in a wide area more than 3 kilometers mostly town or city
Booting is a process where a computer loads files system in main memory
Network is a group of connected computer which allows computer to communicate and people can share information.
