41. The number of product terms in the minimized sum-of-product expression obtained through the following K = map is (where, "d" denotes don't care states)
1
0
0
1
0
d
0
0
0
0
d
1
1
0
0
1
| 1 | 0 | 0 | 1 |
| 0 | d | 0 | 0 |
| 0 | 0 | d | 1 |
| 1 | 0 | 0 | 1 |
42. The highest speed counter is
43. The circuit shown in figure realizes the function:
44. Given the decimal number -19, and eight bit two's complement representation is given by
45. A DEMUX with an 8-bit select input has:
46. If the output of a logic gate is '1' when all its inputs are at logic '0', the gate is either
47. Which of the following flip-flop cannot be converted to D-type (delay) flip-flop
48. Among the following types of A/D converters, name the one which the analog signal is sampled at a frequency much higher than the Nyquist rate
49. The number of comparators carried out in a 5 bit flash type A/D converter is
50. In the expression A(A + B) by writing the first term A as (A + 0), the expression is best simplified as
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