Computer Science Question Paper Set A (Model Question)

Which communication mode allows data transmission in both directions, but not simultaneously?

Which device is primarily used to connect different networks and forward data packets between them?

Which SQL command is used to modify the structure of an existing table?

Which relationship exists when one student can enroll in many courses and one course can have many students?

Which of the following is a vector graphics format?

Which Python keyword is used to handle an exception?

What will be the output of the following Python code?

print(x % y)

Which type of machine learning uses labeled data for training?

Which technology connects physical devices to the internet so that they can collect and exchange data?

Which of the following is an important ethical concern related to AI?

What is bandwidth? Differentiate between bandwidth and throughput.

What is the difference between a switch and a router? Write any two points.

Define primary key and foreign key with a suitable example.

Write any two differences between DDL and DML. Give one example of each.

What is multimedia? Mention any two applications of multimedia.

Write a Python program to check whether a given number is positive, negative, or zero.

Write a Python function named square(n) that accepts a number as a parameter and returns its square.

What is Generative AI? Mention any two uses of Generative AI.

Differentiate between Virtual Reality (VR) and Extended Reality (XR) with any two points.

What is cloud computing? Mention any two advantages of cloud computing.

What is a computer network? Explain LAN, MAN, and WAN with their features and suitable examples.

Consider the following student table:

Answer the following:

a. Identify the fields and records in the table.
b. Which field can be used as the primary key? Give a reason.
c. Write an SQL command to display the names and marks of all students.
d. Write an SQL command to change Suman's marks to 85.

What is digital audio and digital video? Explain the following:

a. Any two audio file formats
b. Any two video file formats
c. Importance of compression in multimedia

Study the following Python program and answer the questions:

def calculate(a, b):

return a + b

try:

x = int(input("Enter first number: "))

y = int(input("Enter second number: "))

result = calculate(x, y)

print("Result:", result)

except ValueError:

print("Invalid input")

a. What is the purpose of the calculate() function?

b. Identify the parameters used in the function.

c. What happens if the user enters 5 and 7?

d. What happens if the user enters a non-numeric value?

Artificial Intelligence and contemporary technologies are increasingly being used in daily life.

a. Define Artificial Intelligence and Machine Learning.
b. Explain any two applications of AI.
c. Write any one ethical concern related to AI.
d. Mention one application of IoT in a smart city.