MCA Entrance Previous Year Question Bank

How many bits are required to store an ASCII character?

The minimum number of gates needed to implement the Boolean function $f(x,y,z)=z(x+y)+\overline{(\bar{z}+x+y)(\bar{x}+\bar{y})}$ is:

Which of the following is (are) true about virtual memory system that uses pages? (I) The virtual addres space can be larger than the amount of physical memory. (II) Programs must be resident in main memory throughout their execution. (III) Pages correspond to semantic characteriestics of the programs.

Identify the logic function performed by the circuit:

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

Given $\sqrt{(224{)}_r}=(13{)}_r$, the value of radix $r$ is:

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

The function $A{B}^{\prime }C+A{B}^{\prime }C+AB{C}^{\prime }+A^{\prime }{B}^{\prime }C$ is equivalent to:

The first instruction of bootstrap loader program of an operating system is stored in

Let $A[1\dots 10]$ be an array, let $A[i]=2i$ for $1\le i\le 10$. After the assignment $j=A[A[5]]$ is executed, the value of $A[j]$ is equal to: