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31. Which of the following is an input or output device?
monitors
punched cards
optical scanners
all the above
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32. A floppy disk contains
Circular tracks only
Sectors only
Both circular tracks and sectors
None of the above
33. A computer can be defined as an electronic device that can be
used to carry out the arithmetical operation
used to carry out logical functions
accept and process data using a set of stored instructions
all of these
34. The total time elapsed between submission of command and data to a computer and getting the result of the computation is the
Access time
Response time
Entrance time
None of these
35. A flat, circular plate coated with a magnetic material on which data can be stored by magnetization of portions of the flat surface is
Disk
Tape
Pen drive
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