# Digital Logic - Number representation and computer arithmetic

51:   Two's complement can be obtained from one's complement by
 A. adding 1 B. subtracting 1 C. putting 1 as the leading bit D. None of these Answer Report Discuss Option: A Explanation : Click on Discuss to view users comments. Write your comments here: '>
52:   The ASCII code is
 A. Numeric code B. Same as BCD code C. An alphanumeric code D. Seldom used Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. Write your comments here:
53:   Which code is a weighted code
 A. Gray B. Excess-3 C. BCD code D. 5111 Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
54:   The octal equivalent of decimal 324.987 is
 A. 504.771 B. 540.781 C. 215.234 D. 345.346 Answer Report Discuss Option: A Explanation : Click on Discuss to view users comments. Write your comments here:
55:

What is the decimal equivalent of hexadecimal number 566?

 A. 1382 B. 1582 C. 1192 D. 1882 Answer Report Discuss Option: A Explanation : (566)16= 5* (16)2+ 6 *(16)1+6(16)0 = 1382 Click on Discuss to view users comments. Write your comments here:

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