| 81. | There are________________ basic types of flip-flop based on clock trigger. |
|
Answer: (d).4
|
| 82. | The characteristic equation of any flip-flop describes the __________________ of the next state in terms of the present state and inputs. |
|
Answer: (b).Behavior
|
| 83. | The normal data inputs to a flip-flop (D, S and R, J and K, T) are referred to as ________________ inputs. |
|
Answer: (c).Synchronous
|
| 84. | Asynchronous inputs, just like synchronous inputs, can be engineered to be ______________. |
|
Answer: (d).Both b and c
|
| 85. | ___________ and Clear should not be 0 at the same time; otherwise, both the outputs will be 1, which is known as invalid state. |
|
Answer: (a).Preset
|
| 86. | Which table indicates the input conditions of the flip-flops necessary to cause all possible next state transitions of a flip-flop? |
|
Answer: (c).Flip- flop excitation
|
| 87. | When a circuit is self- correcting? |
|
Answer: (d).If there are no cycles among its unused states
|
| 88. | A PLA consists of two-level____________ circuits on a single chip. |
|
Answer: (a).AND-OR
|
| 89. | In which of the following types of counters, the flip-flops do not change states at exactly the same time? |
|
Answer: (c).Asynchronous ripple counter
|
| 90. | The number of states through which the counter goes is also known as ____________. |
|
Answer: (d).MOD number
|
