General purpose computer are used for ? Performs calculation Accounting Creating a small database All of the above None A desktop computer is also known as a_ ? PC Laptop Palm pilot Mainframe None Which is widely used in academic testing? OCR OMR POS MICR None Which of the following is not an output device of a computer? CRT Mouse Plotter Laser Printer None Which virus spread in application software? File virus Anti virus Boot virus Macro virus None Time's up Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
