Discussion
Home ‣ Computer Science ‣ Digital Computer Electronics Comments
- Question
Conversion of an octal number 1128 to hexadecimal number is
Options- A. 4A16
- B. 5A16
- C. 1516
- D. 2016
- E. None of the above
- Correct Answer
- 4A16
- 1. What is the 2's complement of 0011 0101 1001 1100 number?
Options- A. 1100 1010 1100 1011
- B. 1100 1010 0110 0011
- C. 1100 1010 0110 0100
- D. 1100 1010 1111 1111
- E. None of the above Discuss
- 2. A NOR gate has two or more input signals. All input must be _____ to get a high output
Options- A. low
- B. high
- C. some low some high
- D. 1's
- E. None of the above Discuss
- 3. What logic function is obtained by adding an inverter to the inputs of an AND gate?
Options- A. OR
- B. NAND
- C. XOR
- D. NOR
- E. None of the above Discuss
- 4. Which of the following flip-flops is free from race around problem?
Options- A. T flip-flop
- B. SR flip-flop
- C. master slave JK flip-flop
- D. All of the above
- E. None of the above Discuss
- 5. The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as
Options- A. rise time
- B. decay time
- C. binary level transition period
- D. propagation delay
- E. None of the above Discuss
- 6. Conversion of binary number 1010000101112 to hexadecimal number is
Options- A. D8F916
- B. A8B916
- C. A1716
- D. D9F816
- E. None of the above Discuss
- 7. Which logic family dissipates the minimum power?
Options- A. DTL
- B. TTL
- C. ECL
- D. CMOS
- E. None of the above Discuss
- 8. Conversion of decimal number 7110 to it's binary number equivalent is
Options- A. 1100112
- B. 11100112
- C. 01100112
- D. 10001112
- E. None of the above Discuss
- 9. De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.
Options- A. AND
- B. XAND
- C. XOR
- D. NOR
- E. None of the above Discuss
- 10. Conversion of an octal number 1438 to its decimal number is
Options- A. 9010
- B. 97110
- C. 9910
- D. 10710
- E. None of the above Discuss
Digital Computer Electronics problems
Search Results
Correct Answer: 1100 1010 0110 0100
Correct Answer: low
Correct Answer: NOR
Correct Answer: master slave JK flip-flop
Correct Answer: decay time
Correct Answer: A1716
Correct Answer: CMOS
Correct Answer: 10001112
Correct Answer: AND
Correct Answer: 9910
Comments
There are no comments.More in Computer Science:
Programming
Copyright ©CuriousTab. All rights reserved.