Digital Computer Electronics problems
- 1. A full-adder adds _____ bits, and producing a SUM and a _____
Options- A. 8, SUBTRACTION
- B. 3, CARRY
- C. 16, DIVIDE
- D. All of the above
- E. None of the above Discuss
Correct Answer: 3, CARRY
- 2. The octal equivalent of decimal 324.987 is
Options- A. 504.771
- B. 640.781
- C. 815.234
- D. 90.987
- E. None of the above Discuss
Correct Answer: 504.771
- 3. Conversion of an octal number 608 to binary number is
Options- A. 1100002
- B. 100112
- C. 11001112
- D. 11001102
- E. None of the above Discuss
Correct Answer: 1100002
- 4. One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.
Options- A. De Morgan
- B. Standard
- C. Schottky
- D. Karnaugh
- E. None of the above Discuss
Correct Answer: Karnaugh
- 5. Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is
Options- A. 10110101110102
- B. 11110110000102
- C. 10001010001012
- D. 010010000000102
- E. None of the above Discuss
Correct Answer: 10110101110102
- 6. Conversion of a octal number 638 to its decimal number is
Options- A. 5110
- B. 6110
- C. 5710
- D. 5310
- E. None of the above Discuss
Correct Answer: 5110
- 7. A flip-flop is a _____ element that stores a binary digit as a low or high voltage.
Options- A. chip
- B. bus
- C. I/O
- D. memory
- E. None of the above Discuss
Correct Answer: memory
- 8. Conversion of binary number 11000112 to its decimal number is
Options- A. 2910
- B. 9710
- C. 9910
- D. 9310
- E. None of the above Discuss
Correct Answer: 9910
- 9. Conversion of decimal number 9910 to hexadecimal number is
Options- A. 6316
- B. 816
- C. 6116
- D. 5016
- E. None of the above Discuss
Correct Answer: 6316
- 10. Conversion of binary number 11011001111110002 to hexadecimal number is
Options- A. D8F816
- B. A8B916
- C. 78916
- D. D9F816
- E. None of the above Discuss
Correct Answer: D9F816
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