Classical

Digital Logic - Number representation and computer arithmetic

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
 
 

Option: A

Explanation :

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47:   What is the 2's complement representation of -5/8?
A. 0.1010
B. 1.0111
C. -0.1101
D. 1.0110
 
 

Option: D

Explanation :

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ARUMUGAM said: (4:43am on Thursday 16th May 2013)
As,-5/8=-0.8125,0.8125=0.1101Negation =1.0010Adding 1 to it, 1.0011Answer shoule be 1.0011Please Check!

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48:  

The result of the subtraction FD16 - 8816 is

A.

7516

B.

6516

C.

5E16

D.

1016

 
 

Option: A

Explanation :

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49:  

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

A.

(6B3)16

B.

(16 B)16

C.

(A0B)16

D.

(A6B)16

 
 

Option: A

Explanation :

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50:  

The 1's complements of the binary number 1101101 is

A.

0000010

B.

0010010

C.

0010011

D.

1100011

 
 

Option: B

Explanation :

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