31.  2’s complement is used to represent signed integers, especially __________ integers. 
Answer: (a).Negative

32.  In ___________________, to encode a negative number, first the binary representation of its magnitude is taken, complement each bit and then add 1. 
Answer: (c).2’s complement representation

33.  Which one of the following is the type of complement for each base R system? 
Answer: (d).Both a and b

34.  For subtraction of binary number, subtract the _________________. 
Answer: (b).Subtrahend digit from the minuend

35.  Which of the following condition is true for determining overflow condition in 2’s complement? 
Answer: (d).All of the above

36.  What does the leftmost bit represents, according to the IEEE standards? 
Answer: (a).Sign of the number

37.  Floatingpoint numbers are those numbers, which include ______________. 
Answer: (d).All of the above

38.  The binary representation of 0.875 is 0 01111110 11000000000000000000000 in _______________presentation. 
Answer: (c).32 bit

39.  1000001 represents as (65)10 in which code? 
Answer: (b).Straight binary code

40.  In straight binary code, Nbits or N binary digits can represent ______________ different values. 
Answer: (a).2^N
