A directory of Objective Type Questions covering all the Computer Science subjects. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews.

 31. 2’s complement is used to represent signed integers, especially __________ integers. a. Negative b. Positive c. Both a and b d. None of the above

 32. In ___________________, to encode a negative number, first the binary representation of its magnitude is taken, complement each bit and then add 1. a. Signed integer representation b. 1’s complement representation c. 2’s complement representation d. Radix complement representation

 33. Which one of the following is the type of complement for each base R system? a. Diminished radix-complement representation [(R – 1)’s complement] b. Radix- complement representation [R’s complement] c. 1’s and 2’s complement representation d. Both a and b

 34. For subtraction of binary number, subtract the _________________. a. Minuend from the subtrahend digit b. Subtrahend digit from the minuend c. MSB from the LSB d. None of the above

 35. Which of the following condition is true for determining overflow condition in 2’s complement? a. When adding two positive numbers gives a negative result or when two negatives give a positive result. b. If sign bit (MSB) of result and sign bit of two operands are of different signs. c. The ‘1’ in the MSB position indicates a negative number after adding two positive numbers. d. All of the above

 36. What does the leftmost bit represents, according to the IEEE standards? a. Sign of the number b. Position of the number c. Weight of the number d. None of the above

 37. Floating-point numbers are those numbers, which include ______________. a. Decimals b. Fractional parts c. Integer values d. All of the above