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QI: Choose the best answer that completes the statement or answers the question. 1. A basic S-R flip-flop can be constructed by cross-coupling of which basic logic gates? a) AND or OR gates b) XOR or XNOR gates c) NOR or NAND gates d) AND or NOR gates 2. In S-R flip-flop, if Q= 0 the output is said to be c) Previous state a) Set b) Reset d) Current state 3. What is one disadvantage of an S-R flip-flop? a) It has no Enable input c) It has no clock input b) It has a RACE condition d) Invalid State

QI: Choose the best answer that completes the statement or answers the question. 1. A basic S-R flip-flop can be constructed by cross-coupling of which basic logic gates? a) AND or OR gates b) XOR or XNOR gates c) NOR or NAND gates d) AND or NOR gates 2. In S-R flip-flop, if Q= 0 the output is said to be c) Previous state a) Set b) Reset d) Current state 3. What is one disadvantage of an S-R flip-flop? a) It has no Enable input c) It has no clock input b) It has a RACE condition d) Invalid State

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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QI: Choose the best answer that completes the statement or answers the question. 1. A basic S-R flip-flop can be constructed by cross-coupling of which basic logic gates? a) AND or OR gates b) XOR or XNOR gates c) NOR or NAND gates d) AND or NOR gates 2. In S-R flip-flop, if Q 0 the output is said to be a) Set b) Reset c) Previous state d) Current state 3. What is one disadvantage of an S-R flip-flop? a) It has no Enable input c) It has no clock input b) It has a RACE condition d) Invalid State 4. Four J-K flip-flops are cascaded with their J-K inputs tied HIGH. If the input frequency (fm) to the first flip-flop is 32 kHz, the output frequency (fout) is a) 1 kHz b) 2 kHz c) 4 kHz d) 16 kHz 5. In D flip-flop, D stands for a) Distant b) Data c) Desired d) Delay 6. What happens to the parallel output word in an asynchronous binary down counter whenever a clock pulse occurs? a) The output increases by 1 c) The output word inereases by 2 b) The output decreases by 1 d) The output word decreases by 2 7. How many flip-flops are required to construct a decade counter? a) 4 c) 5 b) 8 d) 10 8. Three cascaded decade counters will divide the input frequeney by a) 10 b) 20 c) 100 d) 1000 9. Assume that a 4-bit serial in/serial out shift register is initially clear. We wish to store the nibble 1100. What will be the 4-bit patterm after the second clock pulse? (Right-most bit first) c) 0000 a) 1100 b) 0011 d) 1111 10. With a 200 kHz clock frequency, eight bits can be serially entered into a shift register in a) 4 us d) 40 ms b) 40 us c) 400 µs
Transcribed Image Text:QI: Choose the best answer that completes the statement or answers the question. 1. A basic S-R flip-flop can be constructed by cross-coupling of which basic logic gates? a) AND or OR gates b) XOR or XNOR gates c) NOR or NAND gates d) AND or NOR gates 2. In S-R flip-flop, if Q 0 the output is said to be a) Set b) Reset c) Previous state d) Current state 3. What is one disadvantage of an S-R flip-flop? a) It has no Enable input c) It has no clock input b) It has a RACE condition d) Invalid State 4. Four J-K flip-flops are cascaded with their J-K inputs tied HIGH. If the input frequency (fm) to the first flip-flop is 32 kHz, the output frequency (fout) is a) 1 kHz b) 2 kHz c) 4 kHz d) 16 kHz 5. In D flip-flop, D stands for a) Distant b) Data c) Desired d) Delay 6. What happens to the parallel output word in an asynchronous binary down counter whenever a clock pulse occurs? a) The output increases by 1 c) The output word inereases by 2 b) The output decreases by 1 d) The output word decreases by 2 7. How many flip-flops are required to construct a decade counter? a) 4 c) 5 b) 8 d) 10 8. Three cascaded decade counters will divide the input frequeney by a) 10 b) 20 c) 100 d) 1000 9. Assume that a 4-bit serial in/serial out shift register is initially clear. We wish to store the nibble 1100. What will be the 4-bit patterm after the second clock pulse? (Right-most bit first) c) 0000 a) 1100 b) 0011 d) 1111 10. With a 200 kHz clock frequency, eight bits can be serially entered into a shift register in a) 4 us d) 40 ms b) 40 us c) 400 µs
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