Explore topic-wise MCQs in Boolean Algebra and Logic Simplification .

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Boolean Algebra and Logic Simplification knowledge and support exam preparation. Choose a topic below to get started.

1.

After 10 clock cycles, and assuming that the DATA input had returned to 0 following the storage sequence, what values would be stored in Q 4, Q 3, Q 2, Q 1, Q 0 of the register in Figure 7-5?

A. 0,1,0,1,1
B. 1,1,0,1,0
C. 1,0,1,0,1
D. 0,0,0,0,0
Answer» E.
Discussion
2.

The designation means that the ________.

A. up count is active-HIGH, the down count is active-LOW
B. up count is active-LOW, the down count is active-HIGH
C. up and down counts are both active-LOW
D. up and down counts are both active-HIGH
Answer» B. up count is active-LOW, the down count is active-HIGH
Discussion
3.

What is the maximum delay that can occur if four flip-flops are connected as a ripple counter and each flip-flop has propagation delays of t PHL = 22 ns and t PLH = 15 ns?

A. 15 ns
B. 22 ns
C. 60 ns
D. 88 ns
Answer» E.
Discussion
4.

Any divide-by- N counter can be formed by using external gating to ________ at a predetermined number.

A. HIGH
B. reset
C. LOW
D. preset
Answer» C. LOW
Discussion
5.

List the state of each output pin of a 7447 if RBI = 0, LT = 1, A 0 = 1, A 1 = 0, A 2 = 0, and A 3 = 1.

A. RBO = 0, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
B. RBO = 1, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
C. RBO = 0, a = 0, b = 0, c = 0, d = 0, e = 1, f = 0, g = 0
D. RBO = 1, a = 0, b = 0, c = 0, d = 0, e = 1, f = 0, g = 0
Answer» B. RBO = 1, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
Discussion
6.

A 5-bit asynchronous binary counter is made up of five flip-flops, each with a 12 ns propagation delay. The total propagation delay (t p(tot) ) is ________.

A. 12 ms
B. 24 ns
C. 48 ns
D. 60 ns
Answer» E.
Discussion
7.

A MOD-16 ripple counter is holding the count 1001 2 . What will the count be after 31 clock pulses?

A. 1000 2
B. 1010 2
C. 1011 2
D. 1101 2
Answer» B. 1010 2
Discussion