janak oli

1.  Which technology is used in compact disk?  a. Mechanical b. Electrical c. Electromagnetic d. Laser 2. Which of the following is the largest hardware manufacture?  a. IBM b. Seagate c. Microsoft d. 3M 3. Memory disk is made up of:   a. Set of wires b. Set of circuit c. large number of cells d. All of above 4. Which device is used to back up the data?  a. Floppy disk b. Tape c. Network drive d. All of above 5. A Set of flip flop integrated together is called a. Counter b. Adder c. Register d. None of the above 6. Which of the following have fastest access time?  a. Semiconductor memory b. Magnetic disk c. Magnetic tape d. Compact disk 7. The second generation computer was based on  a. Vacuum tube b. Silicon chips c. Transistors d. Bio-chips 8. Who invented Analytical Engine  a. Blaise Pascal b. George Boole c. Charles Babbage d. Dr. Herman Hollerith 9. Through which device the main components of computer communicate? a. Key...