List of top Computer Science Questions

An alternate key is ________.
A relation in a relational database is also known as:
A domain in a relational database refers to:
What is the primary difference between a database and a file system?
To find the difference between maximum and minimum stock prices for a company over a week, which statistical technique is used?
_________ is the positive square root of the average of squared differences of each value from the mean.
________ are unorganized facts that can be processed to generate meaningful information called?
140.168.220.200 is a 32-bit binary number represented as four decimal values, each 8 bits, in the range 0 to 255 separated by decimal points. What is this number called?
In a ________ topology, if there are n devices in a network, each device has n-1 ports for cables.
Stack works on the principle of ________.
Evaluate the given postfix expression:
Expression: 3 5 * 6 2 + 3 -
Which method moves a file pointer to the nth character with respect to r position?
Consider the following code and specify the correct order of the statements to be written:
Code:
(A) f.write(”CUET EXAMINATION”)
(B) f=open(”CUET.TXT”, ”w”)
(C) print(”Data is Written Successfully”)
(D) f.close()
Choose the correct answer from the options given below:
What is pickling in Python?
Match List-I with List-II:
List-IList-II
(A) readline()(I) Writes a sequence of strings to the file
(B) writelines()(II) Reads a single line from the file
(C) seek()(III) Force any buffered output to be written to the file
(D) flush()(IV) Moves the file pointer to the specified position
A long cable that helps to connect several devices in a bus topology and has terminators at both ends to prevent signal bounce is known as ________
Which device provides the necessary translation of data received from the network into a format recognized within the internal network?
Communication over a mobile phone is an example of which type of communication mode?
__________ compares neighboring elements only and swaps them when necessary?
SQL applies conditions on the groups through ________ clause after groups have been formed?
What is the output of the SQL statement?
SELECT MID('CUET2024',2,5)?
Which of the following is called a database instance?
Which of the following is not a limitation of file systems?
How many candidate keys are possible with the table?
RollNoNameMobileCity
1Arun91Delhi
2Sanjay92Mumbai
3Arun93Noida
4Varun94Guwahati
5Arti95Kolkata

Arrange the following in correct order of exception handling in python:
(A) Write the code that may raise an exception inside a try block
(B) Execute some code regardless of whether the exception occurs or not using the finally block
(C) Handle the specific exception using the except block
(D) Raise the exception using the raise statement if necessary
Choose the correct answer from the options given below: