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- Question
Which of the following boolean algebra statements represent commutative law
Options- A. (A+B)+CA+(B+C)
- B. A.(B+C)(A.B)+(A.C)
- C. A+BB+A
- D. A+AA
- E. None of the above
- Correct Answer
- A+BB+A
- 1. How many bytes are there in 1011 1001 0110 1110 numbers?
Options- A. 1
- B. 2
- C. 4
- D. 8
- E. None of the above Discuss
- 2. The functional capacity for LSI devices is
Options- A. 1 to 11 gates
- B. 12 to 99 gates
- C. 100 to 10,000 gates
- D. more than 10,000 gates
- E. None of the above Discuss
- 3. Binary-Coded-decimal (BCD) numbers express each digit as a _____
Options- A. byte
- B. nibble
- C. bit
- D. All of the above
- E. None of the above Discuss
- 4. Which of the following is a universal gate?
Options- A. AND
- B. OR
- C. EX-OR
- D. NAND
- E. None of the above Discuss
- 5. Multiplication of 478 by 528 is
Options- A. (3144)8
- B. (4147)8
- C. (3146)8
- D. (3184)8
- E. None of the above Discuss
- 6. A NOR gate recognizes only the input word whose bits are _____
Options- A. 0's and 1's
- B. 1's
- C. 0's
- D. 0's or 1's
- E. None of the above Discuss
- 7. A microcomputer is a computer that uses a _____ for its CPU.
Options- A. chips
- B. registers
- C. microprocessor
- D. vacuum tube
- E. None of the above Discuss
- 8. Which of the following logic expression is wrong?
Options- A. 1 + 0=1
- B. 1 + 1=0
- C. 1+0+1 = 1
- D. 1 + 1 + 1 = 1
- E. None of the above Discuss
- 9. Subtraction of 1001011002 from 11101010102 is
Options- A. 10010111102
- B. 01101000012
- C. 11110000012
- D. 11110111112
- E. None of the above Discuss
- 10. Parallel adders are
Options- A. combinational logic circuits
- B. sequential logic circuits
- C. both of the above
- D. All of the above
- E. None of the above Discuss
Digital Computer Electronics problems
Search Results
Correct Answer: 2
Correct Answer: 100 to 10,000 gates
Correct Answer: nibble
Correct Answer: NAND
Correct Answer: (3146)8
Correct Answer: 0's
Correct Answer: microprocessor
Correct Answer: 1+0+1 = 1
Correct Answer: 10010111102
Correct Answer: combinational logic circuits
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