Computer Science - Digital Computer Electronics

11. 

The 2's compliment of binary number 010111.1100 is

A. 101001.1100
B. 101000.0100
C. 010111.0011
D. 101000.0011
E. None of the above

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

12. 

In boolean algebra, the times sign stands for the _____ operation

A. AND
B. OR
C. NAND
D. NOR
E. None of the above

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

13. 

What logic function is obtained by adding an inverter to the output of an AND gate?

A. OR
B. NAND
C. XOR
D. NOR
E. None of the above

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

14. 

Conversion of an octal number 74328 to a binary number is

A. 11110001101112
B. 1111000110102
C. 1100110101112
D. 1111111110002
E. None of the above

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

15. 

Conversion of an octal number 1438 to hexadecimal number is

A. 6316
B. 6016
C. 5016
D. 5716
E. None of the above

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.