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- Question
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
- Correct Answer
- OR
- 1. 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
- 2. 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
- 3. The output 0 and 1 levels for TTL logic family is approximately
Options- A. 0.1 and 5 V
- B. 0.6 and 3.5 V
- C. 0.9 and 1.75V
- D. -1.75 and -0.9 V
- E. None of the above Discuss
- 4. _____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.
Options- A. NMOS, PMOS
- B. PMOS, CMOS
- C. NMOS, CMOS
- D. MOSFET, PMOS
- E. None of the above Discuss
- 5. Conversion of binary number 1011012 to hexadecimal is
Options- A. 3716
- B. 2D16
- C. 2E16
- D. 2716
- E. None of the above Discuss
- 6. 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
- 7. 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
- 8. A bus is a group of _____ carrying digital signals.
Options- A. wires
- B. gates
- C. transistors
- D. registers
- E. None of the above Discuss
- 9. 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
- 10. 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
Digital Computer Electronics problems
Search Results
Correct Answer: words, high
Correct Answer: 63
Correct Answer: 0.6 and 3.5 V
Correct Answer: NMOS, CMOS
Correct Answer: 2D16
Correct Answer: HTL
Correct Answer: gray code
Correct Answer: wires
Correct Answer: binary
Correct Answer: F
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