List of top Computer Science & Information Technology Questions

If the Boolean expression $ (p \Rightarrow q) \Leftrightarrow (q \land (\sim p)) $ is a tautology, then the Boolean expression $ (p \land (\sim q)) $ is equivalent to

For the function $ f(x) = x^2 e^{-x} $, the maximum occurs when $ x $ is equal to

Let $ X $ be a continuous random variable denoting the temperature measured. The range of temperature is $ [0, 100] $ degrees Celsius and let the probability density function of $ X $ be $ f(X) = 0.01 $ for $ 0 \leq X \leq 100 $. The mean is

Let $ A $ and $ B $ be two independent events, then $ P(A \cap B') = $

The set $ S = \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12\} $ is to be partitioned into three sets $ A, B, C $ of equal size. Thus $ A \cup B \cup C = S $, $ A \cap B = B \cap C = A \cap C = \emptyset $. The number of ways to partition $ S $ is

Which of the following is related to DBMS?

Match the following:

Register A holds the 8-bit binary 11011001. To change the value of Register A to 01101101, the following logic microoperation has to be performed on the operand respectively.

The union and intersection of the graphs G and H are respectively

The number of clock cycles that it takes to process 200 tasks in a six-segment pipeline is

The number of binary relations on a set with 3 elements is

The cut vertex set of the graph is

What is the language $ L $ generated by the production rules $ SS \rightarrow aSa | bSb | a | b $ of the grammar over the alphabet a, b?

What is the output of the following C program segment?
int j = 7;
printf("%d, %d", j++, j--);}

If $ m $ parallel lines are intersected by $ n $ parallel lines, then how many parallelograms are formed?

The number of multiplications needed to find $ x^{32} $ when $ x $ is given, is

Based on the following schema,
sailors (sailor-id, sailpr-name, age):
boats (boat-id, boat-name, colour):
reserves (sailor id, boat id, day);
What does the following SQL query imply?
SELECT S.sailor_name FROM sailors S, boats B, reserves R
WHERE S.sailor_id = R.sailor_id AND R.boat_id = B.boat_id
AND (B.colour = 'red' OR B.colour = 'green');

Based on the following schema,
sailors (sailor-id, sailpr-name, age):
boats (boat-id, boat-name, colour):
reserves (sailor id, boat id, day);
What does the following SQL query imply?
SELECT S.sailor_name FROM sailors S WHERE S.sailor_id IN
(SELECT R.sailor_id FROM reserves R WHERE R.boat_id >= 103);

End to end connectivity is provided from host to host in which one of the following layers?

Maximum data rate of a channel for noiseless 3 kHz binary channel is

To verify a digital signature, we need the ..........

The Hamming distance between 11001011 and 10000111 is