Classical

Digital Logic - Number representation and computer arithmetic

16:   When an odd number is converted into the binary number, the least significant digit (LSD) is
A. 0
B. 1
C. 0 or 1
D. None of these
 
 

Option: B

Explanation :


17:  

Which one of the following is the result of dividing (0011 1000)2 by (1000)2?

A.

(1100)2

B.

(1110)2

C.

(0011)2

D.

(00111)2

 
 

Option: D

Explanation :


18:   The 2's complements of binary number 010111.1100 is
A. 101001.1100
B. 101000.0100.
C. 010111.0011
D. 101011.0011
 
 

Option: B

Explanation :


19:   Consider a number system with radix 20. The excess code that is necessary or its equivalent binary coded representation is
A. 7
B. 6
C. 3
D. 4
 
 

Option: D

Explanation :


20:  

A decimal number has 30 digits. Approximately, how many digits would the binary representation have?

A.

30

B.

50

C.

101

D.

120

 
 

Option: C

Explanation :




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