Digital Computer Electronics – Section 2

36. The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is

A. fanout
B. bipolar
C. chip
D. universal logic circuit
E. None of the above

37. Conversion of hexadecimal number 6B2₁₆ to it’s binary number equivalent is

A. 1111000110111₂
B. 011010110010₂
C. 0110011001111₂
D. 11111111₂
E. None of the above

38. The output of the following gate is 0 only if at least one of the inputs is 1:

A. AND gate
B. OR gate
C. EX-OR gate
D. NOR gate
E. None of the above

39. In which of the following adder circuits, the carry look ripple delay is eliminated?

A. Half adder
B. Full adder
C. Parallel adder
D. Carry-look-ahead adder
E. None of the above

40. With positive clocking, the clock signal must be _____ for the flip-flop to respond.

A. high
B. low
C. set
D. race
E. None of the above