Discussion
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- Question
A bus is a group of _____ carrying digital signals.
Options- A. wires
- B. gates
- C. transistors
- D. registers
- E. None of the above
- Correct Answer
- wires
- 1. In which code the successive code characters differ in only one bit position?
Options- A. gray code
- B. excess 3 code
- C. 8421 code
- D. algebraic code
- E. None of the above Discuss
- 2. Which of the following logic families has the highest noise immunity?
Options- A. RTL
- B. DTL
- C. TTL
- D. HTL
- E. None of the above Discuss
- 3. What logic function is produced by adding an inverter to each input and the output of an AND gate?
Options- A. NAND
- B. NOR
- C. OR
- D. XOR
- E. None of the above Discuss
- 4. The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____
Options- A. words, high
- B. bytes, low
- C. bytes, high
- D. character, low
- E. None of the above Discuss
- 5. Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH
Options- A. 63
- B. 32
- C. 16
- D. 38
- E. None of the above Discuss
- 6. The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.
Options- A. decimal
- B. hexadecimal
- C. binary
- D. All of the above
- E. None of the above Discuss
- 7. The hexadecimal digits are 0 to 9 and A to _____
Options- A. E
- B. F
- C. G
- D. D
- E. None of the above Discuss
- 8. A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as
Options- A. encoder
- B. decoder
- C. multiplexer
- D. demultiplexer
- E. None of the above Discuss
- 9. The simplified form of the Boolean expression (X + Y + XY)(X + Z) is
Options- A. X + Y + Z
- B. XY + YZ
- C. X + YZ
- D. XZ + Y
- E. None of the above Discuss
- 10. The functional difference between SR flip-flop and JK flip-flop is that
Options- A. JK flip-flop is faster than SR flip-flop
- B. JK flip-flop has a feed back path
- C. JK flip-flop accepts both inputs 1
- D. JK flip-flop does not require external clock
- E. None of the above Discuss
Digital Computer Electronics problems
Search Results
Correct Answer: gray code
Correct Answer: HTL
Correct Answer: OR
Correct Answer: words, high
Correct Answer: 63
Correct Answer: binary
Correct Answer: F
Correct Answer: multiplexer
Correct Answer: X + YZ
Correct Answer: JK flip-flop accepts both inputs 1
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