List of top Questions asked in NIT MCA Common Entrance Test

The time required for fetching and execution of one machine instruction is
Consider the circuit shown below and find the minimum number of NAND gates required to design it.
If a processor clock is rated as 2500 million cycles per second, then its clock period is
Which of the following registers is used to keep track of address of memory location where the next instruction is located?
How many 32K \(\times\) 1 RAM chips are needed to provide a memory capacity of 256K bytes?
Identify the fifth number in the series: 122, 144, 166, 188, ?
Statements: All young scientists are open-minded. No open-minded men are superstitious. Conclusions: I. No scientist is superstitious. II. No young people are superstitious.
Select the pair of words, which are related in the same way as the capitalized words are related to each other. BUTTERFLY : FREEDOM
If \( a_1, a_2, \ldots, a_n \) are in Arithmetic Progression with common difference d, then the sum \( (\sin d) (\csc a_1 \csc a_2 + \csc a_2 \csc a_3 + \dots + \csc a_{n-1} \csc a_n) \) is equal to

Replace the question mark with an appropriate image to complete the analogous pair.

Select the related word from the given alternatives. MELT : LIQUID : : FREEZE : ?
Identify the sixth number in the series: 6, 11, 21, 36, 56, ?
Find out the wrong number in the FOLLOWING series. 2, 5, 10, 17, 26, 38, 50, 65

Select the word which means the same as the following: 

To read something carefully
 

Select the pair of words, which are related in the same way as the capitalized words are related to each other. Frugal : Extravagant
"Bite the bullet" means
Which term of the series \( \frac{\sqrt{3}}{9}, \frac{1}{3\sqrt{3}}, \frac{1}{9}, \ldots \) is \( \frac{1}{2187} \)?
In a Harmonic Progression, pth term is q and the qth term is p. Then pqth term is
Statements: All mangoes are golden in colour. No golden-coloured things are cheap. Conclusions: I. All mangoes are cheap. II. Golden-coloured mangoes are not cheap.
What can you call a person who leads an unconventional style of living?
'Duck out of something' means
Looking at the portrait of a man, Manu said, "Her mother is the wife of my father's son and I have no brother and sister." Whose portrait was Manu looking at?

1. A is the brother of B. 

2. C is the father of A. 

3. D is brother of E. 

4. E is the daughter of B. 

Then, the uncle of D is?
 

Deepak, Rahul, Manoj, and Vinod are brothers. Who is the heaviest? I. Rahul is heavier than Deepak and Vinod, but lighter than Manoj. II. Deepak is lighter than Rahul and Manoj, but heavier than Vinod.
If in a certain language, KOLKOTA is coded as LPMLPUB, how is MUMBAI coded in that code?