Digital Computer Electronics problems
- 1. Conversion of a hexadecimal number 6316 to binary number is
Options- A. 11001112
- B. 11000112
- C. 1110112
- D. 11001112
- E. None of the above Discuss
Correct Answer: 11000112
- 2. The functional capacity of SSI devices is
Options- A. 1 to 11 gates
- B. 12 to 99 gates
- C. 100 to 10,000 gates
- D. more than 10,000 gates
- E. None of the above Discuss
Correct Answer: 1 to 11 gates
- 3. A flip-flop can store
Options- A. one bit of data
- B. two bits of data
- C. three bits of data
- D. any number of bits of data
- E. None of the above Discuss
Correct Answer: one bit of data
- 4. For an input pulse train of clock period T, the delay produced by an n stage shift register is
Options- A. (n-l)T
- B. nT
- C. (n+l)T
- D. 2nT
- E. None of the above Discuss
Correct Answer: (n-l)T
- 5. Which function positive logic is equivalent to OR function in negative logic?
Options- A. NOT
- B. AND
- C. OR
- D. NOR
- E. None of the above Discuss
Correct Answer: AND
- 6. The reduced form of the Boolean expression (A+B)(A+C) is:
Options- A. AB+AC
- B. A+B+C
- C. AC+B
- D. A+BC
- E. None of the above Discuss
Correct Answer: A+BC
- 7. _____ has become the most widely used bipolar family.
Options- A. DTL
- B. TTL
- C. ECL
- D. MOS
- E. None of the above Discuss
Correct Answer: TTL
- 8. The radix of the binary number is:
Options- A. 3
- B. 1
- C. 2
- D. 10
- E. None of the above Discuss
Correct Answer: 2
- 9. When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.
Options- A. clock
- B. pulse
- C. register
- D. transistor
- E. None of the above Discuss
Correct Answer: clock
- 10. The output of the following gate is 1 only if at least one of its inputs is 0.
Options- A. AND gate
- B. OR gate
- C. NAND gate
- D. NOR gate
- E. None of the above Discuss
Correct Answer: NAND gate
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