15. The performance of the cache memory is measured in terms of ?
16. A set of physical addresses is also known as ?
17. Which devices among following are usually designed on the complex electromechanical principle ?
18. ________ read the data by reflecting pulses of laser beams on the surface ?
19. If CPU and I/O interface share a common bus than transfer of data between two units is known as ?
20. All the operations in a digital system are synchronized by a clock that is generated by ?
21. Asynchronous means ?
A.Not in step with the elapse of time
B.Not in step with the elapse of address
C.Not in step with the elapse of data
D.Not in step with the elapse of control
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