Digital Logic - Number representation and computer arithmetic

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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
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments.. '>

52:   The ASCII code is

A.	Numeric code
B.	Same as BCD code
C.	An alphanumeric code
D.	Seldom used
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

53:   Which code is a weighted code

A.	Gray
B.	Excess-3
C.	BCD code
D.	5111
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	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

54:   The octal equivalent of decimal 324.987 is

A.	504.771
B.	540.781
C.	215.234
D.	345.346
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

55:  

What is the decimal equivalent of hexadecimal number 566?

A.	1382
B.	1582
C.	1192
D.	1882
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	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: Updating your Comments.. Updating your Comments..

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