Digital Computer Electronics problems
- 1. Multiplication of 1112 by 1012 is
Options- A. 1100112
- B. 1000112
- C. 1111002
- D. 0001012
- E. None of the above Discuss
Correct Answer: 1000112
- 2. How many memory locations can 14 address bits access?
Options- A. 16,384
- B. 8,192
- C. 4096
- D. 14
- E. None of the above Discuss
Correct Answer: 16,384
- 3. The NOR gate is logically equivalent to an OR gate followed by an _____
Options- A. AND
- B. XAND
- C. XOR
- D. inverter
- E. None of the above Discuss
Correct Answer: inverter
- 4. Conversion of an octal number 1108 to its decimal number is
Options- A. 7010
- B. 7210
- C. 7310
- D. 11010
- E. None of the above Discuss
Correct Answer: 7210
- 5. A half-adder is also known as:
Options- A. AND circuit
- B. NAND circuit
- C. NOR circuit
- D. EX-OR circuit
- E. None of the above Discuss
Correct Answer: EX-OR circuit
- 6. A byte is consist of _____ bits
Options- A. two
- B. four
- C. eight
- D. ten
- E. None of the above Discuss
Correct Answer: eight
- 7. What is the decimal equivalent of 210?
Options- A. 4096
- B. 1024
- C. 1000
- D. 16
- E. None of the above Discuss
Correct Answer: 1024
- 8. Instead of counting with binary numbers, a ring counter uses words that have a single high _____
Options- A. bytes
- B. bit
- C. gate
- D. chip
- E. None of the above Discuss
Correct Answer: bit
- 9. For what logic gate the outputs in complement of the input?
Options- A. NOT
- B. AND
- C. OR
- D. XOR
- E. None of the above Discuss
Correct Answer: NOT
- 10. Resistor Ratio design is used in linear ICs because
Options- A. Ratios increase input resistance
- B. Ratios increase amplifier gain
- C. Precise resistor values are not possible with IC processes
- D. All of the above
- E. None of the above Discuss
Correct Answer: Precise resistor values are not possible with IC processes
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