Digital Computer Electronics problems
- 1. In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.
Options- A. AND
- B. OR
- C. NAND
- D. NOR
- E. None of the above Discuss
Correct Answer: OR
- 2. Conversion of 10110112 to it's decimal equivalent is
Options- A. 8110
- B. 9110
- C. 10010
- D. 20010
- E. None of the above Discuss
Correct Answer: 9110
- 3. With a JK master-slave flip-flop the master is cocked when the clock is _____ and the slave is triggered when the clock is _____
Options- A. set, reset
- B. race, no change
- C. high, low
- D. set, race
- E. None of the above Discuss
Correct Answer: high, low
- 4. Which of the following Boolean algebra rules is wrong?
Options- A. 0 + A = A
- B. 1 + A = 1
- C. A + A = A
- D. 1 . x = 1
- E. None of the above Discuss
Correct Answer: 1 . x = 1
- 5. Arithmetic operation are coded in
Options- A. Decision symbols
- B. Input/Outpur(I/0)
- C. Processing symbols
- D. Terminal symbols
- E. None of the above Discuss
Correct Answer: Processing symbols
- 6. The master slave JK flip-flop is effectively a combination of
Options- A. an SR flip-flop and a T flip-flop
- B. an SR flip-flop and a D flip-flop
- C. a T flip-flop and a D flip-flop
- D. two T flip-flops
- E. None of the above Discuss
Correct Answer: an SR flip-flop and a T flip-flop
- 7. Binary means _____
Options- A. Three
- B. Four
- C. Ten
- D. Two
- E. None of the above Discuss
Correct Answer: Two
- 8. Conversion of decimal number 8910 it's binary number equivalent is
Options- A. 10110112
- B. 11001112
- C. 10110012
- D. 100112
- E. None of the above Discuss
Correct Answer: 10110012
- 9. _____ is the fastest logic family; it's used in high-speed applications.
Options- A. DTL
- B. TTL
- C. ECL
- D. MOS
- E. None of the above Discuss
Correct Answer: ECL
- 10. An AND gate has 7 inputs, what is the only input word that produces a 1 output?
Options- A. 0000000
- B. 0001111
- C. 1110000
- D. 1111111
- E. None of the above Discuss
Correct Answer: 1111111
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