Discussion
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- Question
The output of the following gate is 0 only if at least one of the inputs is 1:
Options- A. AND gate
- B. OR gate
- C. EX-OR gate
- D. NOR gate
- E. None of the above
- Correct Answer
- NOR gate
- 1. Which TTL sub-family has maximum speed?
Options- A. standard TTL
- B. schottky-clamped TTL
- C. high speed TTL
- D. low power TTL
- E. None of the above Discuss
- 2. The OR gate has two or more input signals. If any input is _____ the output is high.
Options- A. low
- B. high
- C. 0
- D. All of the above
- E. None of the above Discuss
- 3. Conversion of an octal number 478 to its binary number is
Options- A. 1100112
- B. 1001112
- C. 1100112
- D. 11110112
- E. None of the above Discuss
- 4. Conversion of binary number 10100002 to an octal number is
Options- A. 1198
- B. 1018
- C. 1118
- D. 1208
- E. None of the above Discuss
- 5. The 2's compliment of binary number 010111.1100 is
Options- A. 101001.1100
- B. 101000.0100
- C. 010111.0011
- D. 101000.0011
- E. None of the above Discuss
- 6. How many full adders are required to construct an m- bit parallel adder?
Options- A. m/2
- B. m-1
- C. m
- D. m+1
- E. None of the above Discuss
- 7. The dynamic race hazard problem occurs in
Options- A. combinational circuits only
- B. sequential circuits only
- C. both combinational and sequential circuits
- D. none of the combinational and sequential circuits
- E. None of the above Discuss
- 8. What logic function is obtained by adding an inverter to the output of an AND gate?
Options- A. OR
- B. NAND
- C. XOR
- D. NOR
- E. None of the above Discuss
- 9. Semiconductor memory is:
Options- A. somewhat slower than magnetic core memory
- B. a volatile memory
- C. somewhat larger than the magnetic core memory
- D. All of the above
- E. None of the above Discuss
- 10. Division of 1000112 by 1012 is
Options- A. 1002
- B. 1112
- C. 1012
- D. 10102
- E. None of the above Discuss
Digital Computer Electronics problems
Search Results
Correct Answer: schottky-clamped TTL
Correct Answer: high
Correct Answer: 1001112
Correct Answer: 1208
Correct Answer: 101000.0100
Correct Answer: m
Correct Answer: none of the combinational and sequential circuits
Correct Answer: NAND
Correct Answer: a volatile memory
Correct Answer: 1112
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