A tower model is a desktop computer model.

Dust your computer every now and then to keep it free of dirt.

A desktop computer is portable which you can bring anywhere.

A vacuum tube is the second generation computer.

Jerusalem virus is also called as Friday the 13th.

A smart phone is an example of palmtop.

AI stands for Artificial Intelligent.

The worlds first computer virus for MS-DOS is called skull.

Good Times Virus spreads through file transfers in floppy disks, CD-ROM, or attachments in emails.

Good Times Virus reappears every 6-12 months.

Transistors are the second generation of computers.

A gaming laptop has a screen size ranging from 17 to 20 inches

  and weighs about 5 kilos.

Warm booting happens when the computer is started after having been turned off.

To run a program under MS-DOS, simply type the program name or file name at the MS-DOS prompt.