Discussion
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- Question
Solve this binary problem: 01110010 ? 01001000 =
Options- A. 00011010
- B. 00101010
- C. 01110010
- D. 00111100
- Correct Answer
- 00101010
- 1. What logic function is the sum output of a half-adder?
Options- A. AND
- B. exclusive-OR
- C. exclusive-NOR
- D. NAND Discuss
- 2. The units for the HIGH time for a periodic wave are ________.
Options- A. seconds
- B. hertz
- C. cycles
- D. % Discuss
- 3. To forward bias a diode, a ________ potential is needed on the ________ and a ________ is needed on the ________.
Options- A. negative, cathode, positive, anode
- B. negative, anode, positive, cathode Discuss
- 4. Determine the output voltage Vout for the circuit in the given figure.
Options- A. ?0.5 V
- B. 0 V
- C. +5 V
- D. +4.3 V Discuss
- 5. The serial format for transmitting binary information uses:
Options- A. a single conductor
- B. multiple conductors
- C. infrared technology
- D. fiber-optic Discuss
- 6. Solving ?11 + (?2) will yield which two's-complement answer?
Options- A. 1110 1101
- B. 1111 1001
- C. 1111 0011
- D. 1110 1001 Discuss
- 7. Perform subtraction on each of the following binary numbers by taking the two's-complement of the number being subtracted and then adding it to the first number.
01001 01100
00011 00111
Options- A. 01100 10011
- B. 00110 00101
- C. 10110 10101
- D. 00111 00100 Discuss
- 8. Which of the following is the primary advantage of using binary-coded decimal (BCD) instead of straight binary coding?
Options- A. Fewer bits are required to represent a decimal number with the BCD code.
- B. BCD codes are easily converted from decimal.
- C. the relative ease of converting to and from decimal
- D. BCD codes are easily converted to straight binary codes. Discuss
- 9. A half-adder circuit would normally be used each time a carry input is required in an added circuit.
Options- A. True
- B. False Discuss
- 10. Fast-look-ahead carry circuits found in most 4-bit full-adder circuits:
Options- A. determine sign and magnitude
- B. reduce propagation delay
- C. add a 1 to complemented inputs
- D. increase ripple delay Discuss
Digital Arithmetic Operations and Circuits problems
Search Results
Correct Answer: exclusive-OR
Correct Answer: seconds
Correct Answer: negative, cathode, positive, anode
Correct Answer: +4.3 V
Correct Answer: a single conductor
Correct Answer: 1111 0011
Correct Answer: 00110 00101
Correct Answer: the relative ease of converting to and from decimal
Correct Answer: False
Correct Answer: reduce propagation delay
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