List of top Computer Awareness Questions asked in NIT MCA Common Entrance Test

The range of the exponent E in the IEEE 754 double precision (Binary 64) format is:
Let the given numbers 11001, 1001, and 111001 correspond to the 2's complement representation. Then with which one of the following decimal numbers, the given numbers match?
Cache memory functions as an intermediary between

In the figure, the circle stands for employed, the square stands for social worker, the triangle stands for truthful, study the figure with its regions and find the number of neither truthful nor illiterate people among the employed only.

 

Consider the program below which uses six temporary variables a, b, c, d, e and f.
a = 10
b = 20
c = 30
d = a + c
e = b + d
f = c + c
b = c + e
e = b + f
d = 5 + e
return d + f
Assuming that all the above operations take their operands from registers, the minimum number of registers needed to execute this program without spilling is:

Which of the following is the smallest unit of data in a computer?
Which of the following interfaces perform the transfer of data between the memory and the I/O peripheral without involving the CPU?
Consider the following 4-bit binary numbers represented in the 2's complement form: 1101 and 0100. What would be the result when we add them?

The Boolean expression for the following truth table is:

 

Which of the following components is not a part of an instruction format in CPU processing?
Any given truth table can be represented by:
The expression \( P + QR \) is the reduced form of:
A computer system has 16-bit wide address/data bus that uses RAM chips of \(4K \times 8\)-bit capacity. The number of RAM chips needed to provide a memory capacity of 64 Kbytes memory is
The primary purpose of cache memory in a computer system is
A CPU generates 32 bits virtual addresses. The page size is 4 KB. The processor has a translation look-aside buffer (TLB) which can hold a total of 128-page table entries and is 4-way set associative. The minimum size of the TLB tag is:
Which of the following components is used to establish a communication link between a CPU and the peripheral devices to transfer data?
Which of the following do not affect CPU performance?
The quotient, if the binary number \(11010111\) is divided by \(101\), is
Given that numbers A and B are two 8-bit 2’s Complement numbers with \( A = 11111111 \), \( B = 11111111 \). Then sum \( A + B \) is:
Consider an arbitrary number system with independent digits as 0, 1, and A. If we generate the first few numbers in the sequence as 00, 01, 0A, 10, 11, 1A and if this process is continued to generate the numbers, then the position of 10A is: