Digital Logic - Number representation and computer arithmetic

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46:  

How many 1's are present in the binary representation of 15 x 256 + 5 x 16 + 3 is

A.	8
B.	9
C.	7
D.	11
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

47:   What is the 2's complement representation of -5/8?

A.	0.1010
B.	1.0111
C.	-0.1101
D.	1.0110
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	Option: D Explanation : Click on Discuss to view users comments. ARUMUGAM said: (6:43pm on Wednesday 15th May 2013) As,-5/8=-0.8125,0.8125=0.1101Negation =1.0010Adding 1 to it, 1.0011Answer shoule be 1.0011Please Check! Write your comments here: Updating your Comments.. Updating your Comments.. '>

48:  

The result of the subtraction FD₁₆ - 88₁₆ is

A.	7516
B.	6516
C.	5E16
D.	1016
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

49:  

The result of the addition (A0)₁₆ + (613)₁₆ is

A.	(6B3)16
B.	(16 B)16
C.	(A0B)16
D.	(A6B)16
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

50:  

The 1's complements of the binary number 1101101 is

A.	0000010
B.	0010010
C.	0010011
D.	1100011
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	Option: B Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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