Which of the following is input or output device?
A. | monitors |
B. | punched cards |
C. | optical scanners |
D. | all the above |
Option: D Explanation : Click on Discuss to view users comments. |
A floppy disk contains
A. | Circular tracks only |
B. | Sectors only |
C. | Both circular tracks and sectors |
D. | None of the above |
Option: C Explanation : Click on Discuss to view users comments. |
A computer can be defined as an electronic device that can be
A. | used to carry out arithmetical operation |
B. | used to carry out logical functions |
C. | accept and process data using a set of stored instructions |
D. | all of these |
Option: D Explanation : Click on Discuss to view users comments. |