CS302 Quiz 4 2026 by Iqra Azhar

CS302 · Quiz No.4 Jan 2026 · VU Zone | Iqra Azhar Official · Our Services

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90% To 100% Marks

1. Divide-by-160 counter is achieved by using:

•  A) DIV 16 and DIV 32
•  B) Flip-Flop and DIV 10
•  C) Flip-Flop and DIV 16
•  D) DIV 16 and DIV 10 Correct

2. Assume a J-K flip-flop has 1s on the J and K inputs. The next clock pulse will cause the output to:

•  A) Toggle Correct
•  B) Latch
•  C) Set
•  D) Reset

3. The next state of a sequential circuit depends on:

•  A) External Inputs
•  B) Previous State
•  C) Next State
•  D) Present State Correct

4. With a 100 KHz clock frequency, eight bits can be serially entered

into a shift register in:

•  A) 80 milliseconds
•  B) 10 microseconds
•  C) 8 microseconds
•  D) 80 microseconds Correct

5. To implement the counter using S-R flip-flops instead of J-K flip- flops, the _____ transition table is used:

•  A) Next State Correct
•  B) S-R
•  C) J-K
•  D) None of above

Q6. In the keyboard encoder, how many times per second does the ring counter scan the keyboard?

•  A) 600 scans/second Correct
•  B) 650 scans/second
•  C) 700 scans/second
•  D) 625 scans/second