Digital Computer Electronics problems
- 1. A shift register can be used for:
Options- A. parallel to serial conversion
- B. serial to parallel conversion
- C. digital delay line
- D. all of the above
- E. None of the above Discuss
Correct Answer: all of the above
- 2. Conversion of binary number 1000112 to an octal number is
Options- A. 438
- B. 478
- C. 498
- D. 508
- E. None of the above Discuss
Correct Answer: 438
- 3. What is the hexadecimal equivalent of a binary number 10101111
Options- A. AF
- B. 9E
- C. 8C
- D. All of the above
- E. None of the above Discuss
Correct Answer: AF
- 4. Which of the following TTL subfamily is the fastest
Options- A. standard TTL
- B. high-speed TTL
- C. schottky TTL
- D. low-speed TTL
- E. None of the above Discuss
Correct Answer: schottky TTL
- 5. A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as
Options- A. decoder
- B. encoder
- C. multiplexer
- D. demultiplexer
- E. None of the above Discuss
Correct Answer: demultiplexer
- 6. The fan-out capability of a digital building block can be defined as
Options- A. the number of inputs that one output can transmit to
- B. the amount of cooling required for fanning the hear out
- C. the number of inputs that can transmit to one input
- D. the maximum power dissipation (heat generation) that the unit can stand.
- E. None of the above Discuss
Correct Answer: the number of inputs that one output can transmit to
- 7. Conversion of binary number 11000012 to hexadecimal is
Options- A. 5716
- B. 6116
- C. 5116
- D. 4316
- E. None of the above Discuss
Correct Answer: 6116
- 8. How many outputs signals can a gate have?
Options- A. one
- B. more than one
- C. two only
- D. both (a) and (b)
- E. None of the above Discuss
Correct Answer: one
- 9. The hexadecimal number system is widely used in analyzing and programming ______
Options- A. registers
- B. chips
- C. microprocessors
- D. vacuum tube
- E. None of the above Discuss
Correct Answer: microprocessors
- 10. Conversion of binary number 1011102 to an octal number is
Options- A. 358
- B. 468
- C. 568
- D. 508
- E. None of the above Discuss
Correct Answer: 568
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