MCA Entrance Previous Year Question Bank

Let $A=11111010$ and $B=00001010$ be two 8-bit 2's complement numbers. Their product in 2's complement is:

The addition of 4 bit, 2’s complement binary numbers 1101 and 0100 results is

A Computer with a 32 bit word size uses 2’s complement to represent numbers. The range of integers that can be represented by this computer is

The range of numbers that can be stored in 8 bits, if negative numbers are stored in 2's complement form is

Let $x=11111010$ and $y=00001010$ be two 8-bit 2's complement numbers. Their product in 2's complement notation is:

What is the 8-bit 2's complement representation of the negative integer $-93$?

The smallest integer that can be represented by an 8- bit number in 2’s complement form is

In an 8 bit representation of computer system the decimal number 26 has to be subtracted from 22 and the result in binary 2's complement is _________

If the 2's complement representation of a number is (011010)₂, what is its equivalent hexadecimal representation?

A problem in Mathematics is given to 3 students A, B and C. If the probability of A solving the problem is $\frac{1}{2}$ and B not solving it is $\frac{1}{4}$ and the whole probability of the problem being solved is $\frac{63}{64}$, then what is the probability of solving it by C?