21. The binary equivalent of the Hexadecimal number 7BD is
A. 11110111101
B. 111010111101
C. 101110111101
D. All of the above
E. None of the above
22. Which of the following is non-impact printer?
A. Drum printer
B. Line printer
C. Chain printer
D. Laser printer
E. None of the above
23. In which year was the PC voted ‘The Machine of the Year’s by the American Time magazine?
A. 1970
B. 1975
C. 1983
D. 1987
E. None of the above
24. When used with I/O devices, the term intelligent implies
A. a color output capability
B. speech processing capability
C. high speed printing capability
D. feature to support offline and online tasks
E. None of the above
25. A prefix for billion which is equal to _____ is called as billi.
A. 100
B. 10000
C. 1000
D. 10
E. None of the above