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- Question
Conversion of an octal number 1438 to hexadecimal number is
Options- A. 6316
- B. 6016
- C. 5016
- D. 5716
- E. None of the above
- Correct Answer
- 6316
- 1. What logic function is produced by adding an inverter to the output of an AND gate?
Options- A. NAND
- B. NOR
- C. XOR
- D. OR
- E. None of the above Discuss
- 2. An OR gate has 6 inputs. How many input words are in its truth table?
Options- A. 64
- B. 32
- C. 16
- D. 128
- E. None of the above Discuss
- 3. A NAND gate is equivalent to an AND gate followed by an inverter. All inputs must be _____ to get a low output
Options- A. low
- B. high
- C. some low and some high
- D. 0's
- E. None of the above Discuss
- 4. Conversion of an octal number 74328 to a binary number is
Options- A. 11110001101112
- B. 1111000110102
- C. 1100110101112
- D. 1111111110002
- E. None of the above Discuss
- 5. In which of the following adder circuits, the carry look ripple delay is eliminated?
Options- A. Half adder
- B. Full adder
- C. Parallel adder
- D. Carry-look-ahead adder
- E. None of the above Discuss
- 6. The memory cell of a dynamic RAM is simpler and smaller than the memory cell of a _____ RAM.
Options- A. volatile
- B. static
- C. semiconductor
- D. bipolar
- E. None of the above Discuss
- 7. Conversion of decimal number 2810 to it's octal number equivalent is
Options- A. 328
- B. 408
- C. 348
- D. 368
- E. None of the above Discuss
- 8. The number of binary bits required to represent a hexadecimal digit is
Options- A. 3
- B. 4
- C. 6
- D. 8
- E. None of the above Discuss
- 9. Conversion of an octal number 31378 to it's decimal equivalent is
Options- A. 163110
- B. 163210
- C. 153110
- D. 193110
- E. None of the above Discuss
- 10. Why are digital circuits easier to design than analog circuits?
Options- A. they do not control electricity precisely over a wide range
- B. they are made in the form of ICs
- C. all elements of digital circuit are from the same family
- D. they are smaller in size
- E. None of the above Discuss
Digital Computer Electronics problems
Search Results
Correct Answer: NAND
Correct Answer: 64
Correct Answer: high
Correct Answer: 1111000110102
Correct Answer: Carry-look-ahead adder
Correct Answer: static
Correct Answer: 348
Correct Answer: 4
Correct Answer: 163110
Correct Answer: they do not control electricity precisely over a wide range
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