Discussion
Home ‣ Digital Electronics ‣ Combinational Logic Circuits See What Others Are Saying!
- Question
Two 4-bit binary numbers (1011 and 1111) are applied to a 4-bit parallel adder. The carry input is 1. What are the values for the sum and carry output?
Options- A. ∑4∑3∑2∑1 = 0111, Cout = 0
- B. ∑4∑3∑2∑1 = 1111, Cout = 1
- C. ∑4∑3∑2∑1 = 1011, Cout = 1
- D. ∑4∑3∑2∑1 = 1100, Cout = 1
- Correct Answer
- ∑4∑3∑2∑1 = 1011, Cout = 1
- 1. How many 1K × 4 RAM chips would be required to build a 1K × 8 memory system?
Options- A. 2
- B. 4
- C. 8
- D. 16 Discuss
- 2. PALs tend to execute ________ logic.
Options- A. SAP
- B. SOP
- C. PLA
- D. SPD Discuss
- 3. 34FC + AD31 = ________.
Options- A. E22D
- B. E31D
- C. E21D
- D. E42D Discuss
- 4. A decimal 11 in BCD is ________.
Options- A. 00001011
- B. 00001100
- C. 00010001
- D. 00010010 Discuss
- 5. Convert the following BCD number to decimal.
010101101001bcd
Options- A. 539
- B. 2551
- C. 569
- D. 1552 Discuss
- 6. Parallel transmission is faster than serial.
Options- A. True
- B. False Discuss
- 7. The complement of 1 is 0.
Options- A. True
- B. False Discuss
- 8. Digital signal processing must be at least half as fast as the incoming signal to be processed.
Options- A. True
- B. False Discuss
- 9. In the keypad HDL encoder, NANDing of the columns is used to activate the freeze bit.
Options- A. True
- B. False Discuss
- 10. Resolution in the analog output of a DAC is primarily dependent on the number of input binary bits.
Options- A. True
- B. False Discuss
More questions
Correct Answer: 2
Correct Answer: SOP
Correct Answer: E22D
Correct Answer: 00010001
Correct Answer: 569
Correct Answer: True
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: True
Comments
There are no comments.More in Digital Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.