Discussion
Home ‣ Digital Electronics ‣ Digital Arithmetic Operations and Circuits Comments
- Question
A 74HC283 can be used to implement a(n) ________ adder.
Options- A. 4-bit BCD
- B. 8-bit BCD
- C. 4-bit full
- D. 8-bit full
- Correct Answer
- 4-bit full
- 1. 34FC + AD31 = ________.
Options- A. E22D
- B. E31D
- C. E21D
- D. E42D Discuss
- 2. The 74HC382 ALU can perform ________ operations.
Options- A. 2
- B. 4
- C. 8
- D. 16 Discuss
- 3. The concurrent section of the hardware description is where the ________ are interconnected.
Options- A. functions
- B. components
- C. circuits
- D. macrofunctions Discuss
- 4. Inside a computer all arithmetic operations take place in the ________.
Options- A. accumulator register
- B. ALU
- C. CPU
- D. B register Discuss
- 5. When performing binary addition using the 2's-complement method, an ________ can occur if ________ are of the same ________; the error is indicated by a(n) ________.
Options- A. error, both numbers, magnitude, negative sign
- B. overflow, both numbers, sign, incorrect sign bit
- C. overflow, signs, magnitude, incorrect sum
- D. error, the signs, polarity, incorrect polarity Discuss
- 6. The contents of the A register after
is ________.
Options- A. 0000
- B. 0001
- C. 1001
- D. 1010 Discuss
- 7. Binary numbers can be added together in a basic parallel-adder circuit when ________.
Options- A. negative numbers are in 2's-complement form
- B. negative numbers are in 1's-complement form
- C. all carry pins are grounded
- D. all negative numbers are noted Discuss
- 8. When decimal numbers with several digits are to be added together using BCD adders ________.
Options- A. a separated BCD adder is required for each digit position
- B. the BCD adders must have the carry-outs grounded
- C. the BCD's must be grouped in twos
- D. full adders are also used Discuss
- 9. The two's complement of 00001111 is ________.
Options- A. 11111111
- B. 11110000
- C. 11110001
- D. 11110111 Discuss
- 10. A four-bit adder can perform ________.
Options- A. addition
- B. subtraction
- C. logical AND
- D. All of the above Discuss
Digital Arithmetic Operations and Circuits problems
Search Results
Correct Answer: E22D
Correct Answer: 8
Correct Answer: components
Correct Answer: ALU
Correct Answer: overflow, both numbers, sign, incorrect sign bit
Correct Answer: 1010
Correct Answer: negative numbers are in 2's-complement form
Correct Answer: a separated BCD adder is required for each digit position
Correct Answer: 11110001
Correct Answer: addition
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