16. Conversion of an octal number 63₈ to its decimal number is

A. 51₁₀
B. 61₁₀
C. 57₁₀
D. 53₁₀
E. None of the above

17. Binary means _____

A. Three
B. Four
C. Ten
D. Two
E. None of the above

18. For an input pulse train of clock period T, the delay produced by an n stage shift register is

A. (n-l)T
B. nT
C. (n+l)T
D. 2nT
E. None of the above

19. _____ is the fastest logic family; it’s used in high-speed applications.

A. DTL
B. TTL
C. ECL
D. MOS
E. None of the above

20. Conversion of a hexadecimal number 6353₁₆ to binary number is

A. 110011153₂
B. 1100011₂
C. 111011₂
D. 1100111₂
E. None of the above