Electronics and Communication Engineering - Digital Electronics
Exercise :: Digital Electronics - Section 24
| 1. |
What is the direction of control bus? |
| A. |
Unidirection into μp | | B. |
Unidirection out of up | | C. |
Bidirectional | | D. |
Mixed direction i.e., some lines into μp and some other out of μp |
Answer: Option D
Explanation:
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| 2. |
In the given figure assume that initially Q = 1 with Clock Pulses being given, the subsequent states of Q will be
 |
| A. |
1, 0, 1, 0, 1...... | | B. |
0, 0, 0, 0, 0...... | | C. |
1, 1, 1, 1, 1...... | | D. |
0, 1, 0, 1, 0...... |
Answer: Option C
Explanation:
|
| 3. |
The Boolean expression (A + B) (A + C) (B + C) simplifies to |
| A. |
(A + B) C | | B. |
(A + B) C | | C. |
(A + B) C | | D. |
none of these |
Answer: Option C
Explanation:
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| 4. |
If Vin is 0.99 V, what is the digital output of the ADC 0801 after INTER goes low? |
| A. |
0011 0011 | | B. |
0101 1111 | | C. |
0111 1100 | | D. |
1111 1111 |
Answer: Option A
Explanation:
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| 5. |
Which of the following operation are performed on linear queues? - Testing a linear queue for underflow
- Enqueue operation
- Dequeue operation
- Testing a linear queue for overflow.
Select the correct answer using the codes given below the lists |
| A. |
1, 2 and 3 | | B. |
2, 3 and 4 | | C. |
1, 3 and 4 | | D. |
1, 2, 3 and 4 |
Answer: Option D
Explanation:
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