Sub. code 3032
NEB — GRADE X
Set B
Model Question
Computer Science Question Paper Set B (Model Question)
The candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
Pass Marks : 20
सबै प्रश्नको उत्तर दिनुहोस् । (Attempt All Questions)
This model question question paper is for Class 10 Computer Science, Set B (subject code 3032), carrying full marks of 50 with a pass mark of 20, to be completed within 2 Hours. Answers with step-by-step solutions are available for every question below.
Group 'A'
Choose the best answer from the given alternatives.
Which network topology connects all computers to a central device?
Bus
Ring
Star
Mesh
Which of the following is an example of guided transmission media?
Radio wave
Microwave
Infrared
Optical fiber
Which SQL command is used to remove a table from a database?
DELETE
DROP
REMOVE
CLEAR
Which key is used to establish a relationship between two tables?
Primary key
Foreign key
Candidate key
Alternate key
Which multimedia component is used to represent moving pictures?
Text
Audio
Video
Graphics
What will be the output of the following Python code?
x = 5
y = 2
print(x ** y)7
10
25
32
Which statement is used to repeat a block of code for a fixed number of times in Python?
if
for
def
try
Which technology allows machines to understand and generate human language?
NLP
IoT
GPS
LAN
Which of the following is an example of an IoT device?
Traditional calculator
Smart watch connected to the internet
Wired keyboard
Ordinary notebook
Which technology creates a computer-generated environment in which users can interact?
Virtual Reality
Cloud Computing
Big Data
Blockchain
Group "B'
Answer the following questions briefly.
What is network topology? Mention any two types of network topology.
Differentiate between wired and wireless communication with any two points.
What is a database table? Explain row and column with an example.
What is SQL? Write any two SQL commands and mention their uses.
What is animation? Mention any two uses of animation in multimedia.
Write a Python program to find the largest among two numbers.
What is a loop in Python? Mention the two commonly used types of loops in Python.
What is Natural Language Processing (NLP)? Mention any one application of NLP.
What is the Internet of Things (IoT)? Mention any two applications of IoT.
What is cloud computing? Differentiate between cloud storage and local storage.
Group 'C'
Answer the following questions in detail.
What is data communication? Explain the following components of data communication:
a. Sender
b. Receiver
c. Transmission medium
d. Protocol
Consider the following database table:
Roll_No | Name | Subject | Marks |
|---|---|---|---|
1 | Aarav | Computer | 75 |
2 | Bina | Computer | 82 |
3 | Kiran | Computer | 68 |
Answer the following questions:
a. What is a database?
b. Identify the primary key in the table and give a reason.
c. Write an SQL command to display all records from the table.
d. Write an SQL command to change Bina's marks to 90.
What is multimedia? Explain any four major components of multimedia with suitable examples.
Study the following Python program and answer the questions:
num = int(input("Enter a number: "))
if num % 2 == 0:
print("Even")
else:
print("Odd")a. What is the purpose of the % operator?
b. What will be the output if the user enters 15?
c. Modify the program to display whether the number is positive or negative.
d. What type of statement is if...else?
Contemporary technologies are being increasingly used in different sectors.
a. Define IoT and Artificial Intelligence.
b. Explain any two applications of IoT.
c. What is Generative AI?
d. Mention any one ethical issue related to the use of AI.