9 computer 10 set

SET 2

Group 'A'
Choose the correct answer and write it in your answer sheet.
(10 × 1 = 10)

The wheel of the mouse helps to scroll the page:
(a) Up-down (b) Left-right
Which memory is located closest to the CPU for quick access?
(a) Cache memory (b) Virtual memory (c) ROM (d) Cloud storage
Which operating system is an example of multi-user OS?
(a) Windows 95 (b) Linux (c) Palm OS (d) Android
Which of the following is NOT a block programming platform?
(a) Scratch (b) Blockly (c) Snap! (d) Python
Which of the following are character formatting tags?
(a) <sup> tag (b) <b> tag (c) <i> tag (d) All of them
Why is CSS used with HTML?
(a) CSS reduces HTML code (b) CSS reduces file size (c) CSS can be defined and used in multiple places (d) All of them
Which of the following is the correct extension of a python file?
(a) PYth (b) .Ph (c) .Py (d) .PF
Where was WWW developed?
(a) NASA (b) CERN (c) Microsoft (d) Apple
______ is not an example of antivirus software,
(a) Kaspersky (b) Firewall (c) Avast (d) Norton 360
In Python, a list is a data type used to store data within
(a) Curly brackets (b) Square brackets (c) Parentheses (d) None of the above

Group 'B'
Write a short answer to the following questions.
(10 × 2 = 20)

Why is a computer called an information processing machine?
Differentiate between licensed and open source software.
Convert (1101101010)₂ into the decimal number system and (1562)₁₀ into the octal number system.
Perform (111010 + 10100)₂ and (110011 – 10100)₂ binary operations.
Write HTML code to display one text input and a reset button using HTML.
What is the internet? Write one use.
Write two features of blog.
Study the following Python code and answer the question below:

a = 25

b = 4

c = a % b

print(c)

(a) What will be printed?
(b) Which operator is used to find the remainder?

Write the output of the given program and show it in a dry run table:

s = 0

for n in (2, 1, 6, 4, 5, 7):

if (n % 2 == 0):

print(n)

s = s + n

print("sum", s)

Write a python program to input length and breadth then find the area of a rectangle. (A = L × B)

Group 'C'
Write the long answer to the following questions.
(5 × 4 = 20)

How does a scanner work? Explain the process of scanning and how software like OCR enhances the usability of scanned images. [1+3]
Arrange the blocks so that a sprite keeps moving 10 steps forever and bounces back when it touches the edge.
Create an HTML Student Information Table to display details of 5 students including Name, Age, Class, and Grade.
Explain the methods of preventing cybercrime.
Write a python program to check whether a number is positive, negative, or zero using if ... elif ... else statements.

SET 3

Group 'A'
Choose the correct answer and write it in your answer sheet.
(10 × 1 = 10)

In which device you get in-built keyboard:
(a) Laptop (b) Mobile phone (c) Tablet (d) All of the above
Primary objective of web cam is for:
(a) Live streaming (b) Video conferencing (c) Video telephony (d) All of the above
3D printers create objects using which technology:
(a) Subtractive manufacturing (b) Additive manufacturing (c) Impact printing (d) Non-impact printing
Block programming is similar to:
(a) Writing essays (b) Solving puzzles (c) Drawing maps (d) Solving equations
Which of the following is an empty tag?
(a) <html> (b) <head> (c) <body> (d) <br>
Which of the following is not a type of CSS?
(a) Embedded CSS (b) Inline CSS (c) Internal CSS (d) External CSS
Which was the first web browser?
(a) Chrome (b) Mosaic (c) Firefox (d) Safari
Which of the following is not cyber security?
(a) Network security (b) Information Security (c) Application software (d) Quantum Security
What will be the value of the expression A.B = 5,87?
(a) A = 5, B = 5 (b) A = 8, B = 8 (c) A = 5, B = 8 (d) None of them
Which of the following is not a valid variable name in Python?
(a) my-var (b) _var2 (c) 2_var (d) var_2

Group 'B'
Write a short answer to the following questions.
(10 × 2 = 20)

Describe the roles of Control Unit and Register.
What are ports in a computer system? Explain with any two examples.
Convert (7533)₈ into the decimal number system and (2989)₁₀ into the binary number system.
Perform (11011 × 1011)₂ and (111010 + 110)₂ binary operations.
Create an ordered list of four favorite subjects using HTML.
What is a web browser? Give examples.
Define protocol with examples.
Study the following Python code and answer the questions below:

val = int(input("Enter a value "))

if val > 0:

print("Positive")

else:

print("Negative or Zero")

(a) What will happen if the user enters -1?
(b) What is the data type of val?

Write the output of the given program:

a = b = k = 1

c = 0

while(k <= 10):

print(a, end=" ")

c = a + b

a = b

b = c

k += 1

print("loop Terminated")

Write a python program to input two different numbers and to print smaller number.

Group 'C'
Write the long answer to the following questions.
(5 × 4 = 20)

What is virtual memory, and why is it important? Provide a real-life example of its use. [1+2+1]
You are given a program where the cat sprite rotates 90° and says "Namaste" when the sprite is clicked. List and explain the block components used in this program.
Write an HTML code to prepare your own bio-data.
What do you mean by netiquette? Mention three good online behaviors.
Write a python program to input two numbers from the user and display their sum, difference, product and quotient.

SET 4

Group 'A'
Choose the correct answer and write it in your answer sheet.
(10 × 1 = 10)

Each bit of data is stored in the:
(a) Memory transistors (b) Capacitors (c) Both a. and b. (d) None of these
What is a key advantage of LED monitors over LCD monitors?
(a) High power consumption (b) Better image quality and power efficiency (c) Larger size and weight (d) Lower cost
Which of the following is an open source software?
(a) Microsoft Office (b) Linux (c) Windows 11 (d) Adobe Photoshop
In Scratch, the character that performs actions is called:
(a) Stage (b) Sprite (c) Backdrop (d) Block
Why are comments useful in HTML?
(a) Write program codes (b) Add notes for developers without affecting output (c) Make text bold (d) Design web pages
Which CSS property is used to change background color?
(a) bgcolor (b) background (c) background-color (d) color
Which one is secure?
(a) HTTP (b) HTTPS (c) FTP (d) SMTP
Which Act deals with cybercrime issues?
(a) IT Act 2000 (b) ETA 2063 (c) Cyber Law 2010 (d) Privacy Act 2020
How do you insert a comment that spans multiple lines in Python?
(a) # This is a multi-line comment #
(b) " This is a multi-line comment "
(c) // This is a multi-line comment //
(d) /* This is a multi-line comment */
Which of the following is true about Python dictionaries?
(a) Keys must be unique
(b) Values must be unique
(c) Dictionaries are ordered in Python 3.5
(d) Dictionaries cannot be nested

Group 'B'
Write a short answer to the following questions.
(10 × 2 = 20)

Why are registers considered faster storage or execution than RAM?
Explain why primary memory is called volatile.
Convert (100110110)₂ into the hexadecimal number system and (12BF)₁₆ into the binary number system.
Perform (1001011 + 110010)₂ and (101101 × 11001)₂ binary operations.
How do you display an image using HTML?
Write two uses of email.
Define social media with examples.
Study the following Python code and answer the question below:

word = "HELLO"

print(word.lower())

(a) What is the output?
(b) Which string function is used here?

Write the output of the given program:

# To print & find the sum of all numbers from 1 to 10

s = 0

for n in range(1, 11):

print(n)

s = s + n

print("Sum=", s)

Write a program to read two different numbers. Find out the sum and product.

Group 'C'
Write the long answer to the following questions.
(5 × 4 = 20)

What are the applications of 3D printing? Discuss its importance in fields like medicine, manufacturing, and construction. [1+3]
Arrange the blocks so that a sprite asks "What is your name?", waits for input, and then says "Hello, [name]".
Write HTML codes to display the following output:

Computer System

Computer Hardware

· CPU

· Monitor

· Keyboard

· Mouse

Computer Software

· Operating Software

· Application Software

· Utility Software

What are secure websites? Write any three ways to check if a website is secure or not.
Write a python program that checks if a given character is a vowel or not (a, e, i, o, u). The input character should be a single letter.

SET 5

Group 'A'
Choose the correct answer and write it in your answer sheet.
(10 × 1 = 10)

The QWERTY layout is associated with:
(a) Mouse (b) Scanner (c) Keyboard (d) Joystick
The main disadvantage of SSDs compared to HDDs is:
(a) Slower performance (b) Higher cost per GB (c) More moving parts (d) Less storage capacity
Which port is commonly used for connecting external storage devices?
(a) VGA (b) HDMI (c) USB (d) Ethernet
Which Scratch block is used to make characters move?
(a) Motion block (b) Event block (c) Sensing block (d) My block
Which tag is used to create a hyperlink in HTML?
(a) <b> tag (b) <a> tag (c) <link> tag (d) <href> tag
Which attribute is used to apply inline CSS in HTML?
(a) style (b) css (c) font (d) design
Which one is used to remove login?
(a) Team Viewer (b) Facebook (c) Google Meet (d) Social media
______ are individual entities called in a blog.
(a) Pages (b) Section (c) Posts (d) Articles
In the following expression 5 ** 2 - 5 = ?
(a) 30 (b) 25 (c) 20 (d) None of them
Which of the following is a looping statement?
(a) if statement (b) for statement (c) if-else statement (d) None of them

Group 'B'
Write a short answer to the following questions.
(10 × 2 = 20)

Explain why the motherboard is often called the "backbone" of a computer.
What is the difference between a monitor and a printer?
Convert (CADA1)₁₆ into the decimal number system and (10101100101110)₂ into the octal number system.
Perform (10100 – 1011)₂ and (111111 × 111)₂ binary operations.
Write HTML code to display a short paragraph about "My Hobby".
Define blog. Write two advantages of blog.
Why is HTTPS more secure than HTTP? Give one reason.
Study the following Python code and answer the question below:

subject = ["computer", "maths", "science"]

for L in subject:

print(L)

(a) How many items are in the list?
(b) What will be the second output?

Write the output of the given program and show it in a dry run table:

numbers = [2, 5, 7, 8, 10]

s = 0

for n in numbers:

if n > 5:

print(n)

s += n

print("Total =", s)

Write a python program to input a number and then print whether the number is 'odd' or 'even'.

Group 'C'
Write the long answer to the following questions.
(5 × 4 = 20)

"Computers can perform different tasks depending on the programs fed to them." Justify this statement.
Arrange the blocks so that a sprite plays the sound "meow" 3 times using a repeat loop.
Write the HTML code to display this table:

<table>

<caption>Mark-Sheet</caption>

<tr>

<th>Percentage</th>

<th>Division</th>

</tr>

<tr>

<td>Santosh</td>

</tr>

<tr>

<td>Yuzin</td>

</tr>

<tr>

<td>Aasha</td>

</tr>

</table>

Explain the importance of using strong passwords.
Write a Python program to input a number n and print the first n Fibonacci numbers using a loop.

SET 6

Group 'A'
Choose the correct answer and write it in your answer sheet.
(10 × 1 = 10)

Which slot on the motherboard is used to install a graphics card?
(a) PCIe (Peripheral Component Interconnect Express)
(b) SATA (Serial Advanced Technology Attachment)
(c) IDE (Integrated Drive Electronics)
(d) DIMM (Dual Inline Memory Module)
USB is used to:
(a) Data transfer (b) Power delivery (c) Both (a) and (b) (d) None of these
What is the main function of the RAM in a computer system?
(a) To store permanent data (b) To process graphics (c) To store temporary data for quick access (d) To connect the computer to the internet
The default character (sprite) in Scratch is:
(a) Dog (b) Cat (c) Bird (d) Fish
Which HTML tag is used to display the smallest heading?
(a) <h0> tag (b) <h1> tag (c) <h2> tag (d) <h6> tag
Which HTML tag is used to link an external CSS file?
(a) <css> (b) <style> (c) <link> (d) <script>
Which social media platform is famous for professional networking?
(a) Facebook (b) LinkedIn (c) Twitter (X) (d) Instagram
Which of the following is a weak password?
(a) Admin123 (b) Qwerty (c) 123456 (d) All of the above
Find the value of variable n in the following expression:
n = int(9.8)
(a) n = 10 (b) n = 9 (c) n = 9.8 (d) None of them
What will be the output of print(10 // 3)?
(a) 3.33 (b) 3 (c) 3.0 (d) 4

Group 'B'
Write a short answer to the following questions.
(10 × 2 = 20)

Differentiate between primary memory and secondary memory.
Why is software essential for computer functionality?
Convert (1011101)₂ into the octal number system and (5121)₁₀ into the binary number system.
Perform (1010011 × 11011)₂ and (1000110 + 111)₂ binary operations.
Explain the internal style sheet and the external style sheet.
Define Blog. Write down any two disadvantages of blog.
Write two differences between HTTP and HTTPS.
Study the following Python code and answer the questions below:

for i in range(2, 11, 2):

print(i, end="")

(a) Which numbers will be printed?
(b) How many times does the loop execute?

Write the output of the given program and show it in a dry run table:

s = 0

for n in (1, 2, 3, 4, 5):

s = s + n

print("Sum =", s)

Write a python program to input two different numbers and print the greater number.

Group 'C'
Write the long answer to the following questions.
(5 × 4 = 20)

Explain how the CPU interacts with both primary and secondary memory during data retrieval.
What is an Arduino UNO? Write down its types of components.
Design an HTML registration form that includes Name (text), Email (email), Password (password), Submit and Reset buttons.
Write four rules to create a strong password.
Write a Python program to input a number and print whether it is an Armstrong number or not.

SET 7

Group 'A'
Choose the correct answer and write it in your answer sheet.
(10 × 1 = 10)

Which of the following is an example of non-volatile storage?
(a) RAM (b) ROM (c) Cache memory (d) Registers
What is the main advantage of Ethernet over Wi-Fi?
(a) Higher speed and reliability (b) Wireless connectivity (c) Portability (d) Lower cost
What type of software is used for managing files on your computer?
(a) Application software (b) System software (c) Utility software (d) Mobile Apps
Which component in micro-bit displays images, text, or animations?
(a) Buttons (b) 5 × 5 LED matrix (c) Microphone (d) Sensors
Which tag is used to insert an image in a webpage?
(a) <Photo> (b) <img> (c) <picture> (d) <image>
CSS stands for:
(a) Cascading Style Sheets (b) Computer Style Sheets (c) Creative Style System (d) Colorful Style Sheets
".edu" in a domain represents which type of site?
(a) Educational (b) Organizational (c) Governmental (d) Commercial
Which of the following is an example of a secure search engine?
(a) Google (b) Bing (c) DuckDuckGo (d) All of the above
Find the correct output of the following expression:
>>> len("Dang")
(a) 2 (b) 3 (c) 4 (d) 5
Which operator is used for exponentiation in Python?
(a) ^ (b) ** (c) % (d) *

Group 'B'
Write a short answer to the following questions.
(10 × 2 = 20)

What is optical storage? Write with examples.
What is a printer? What are its types?
Convert (6451)₈ into the hexadecimal number system and (A90F)₁₆ into the octal number system.
Perform (1010010 – 11011)₂ and (1000101 × 1101)₂ binary operations.
Write HTML code to make a horizontal line on the webpage.
Define Social media. List two uses of social media.
Explain remote login with examples.
Rewrite the given program after correcting the bug:

n = 10

for m in range(1, 10):

print(n, end=" ")

n = n + 1

Write the output of the given program and show it in a dry run table:

for i in range(1, 6):

print(i * i)

Write a Python program to input the radius of a circle and calculate its area (A = π × r²).

Group 'C'
Write the long answer to the following questions.
(5 × 4 = 20)

Explain the concept of utility software and its role in enhancing performance and functionality of a computer system.
Define block programming. Write any three advantages of block programming.
Design an HTML Contact Us page including:
(a) Name, Email, Subject
(b) Message (text area)
(c) Submit button
Define digital footprint. Write two differences between active and passive digital footprint.
Write a Python program to input a list of numbers and print the second largest number.

SET 8

Group 'A'
Choose the correct answer and write it in your answer sheet.
(10 × 1 = 10)

What is the storage capacity range of a pen drive?
(a) 1 MB to 1 GB (b) 1 GB to 10 GB (c) 128 MB to a few terabytes (d) 10 GB to 100 GB
What is the primary function of the data bus?
(a) To carry control signals (b) To connect the power supply (c) To carry physical address (d) To transmit data between the CPU, memory, and input/output devices
What is the final step in the CPU's function of processing instructions?
(a) Fetching instructions (b) Decoding instructions (c) Executing instruction (d) Storing results
In Scratch, which block would you use to repeatedly move a sprite 10 steps until it touches the edge?
(a) forever [move 10 steps]
(b) if touching edge → move 10 steps
(c) repeat until [touching edge] → move 10 steps
(d) wait until [touching edge] → move 10 steps
Which of the following tag is used to draw horizontal lines?
(a) <br> (b) <hr> (c) <h1> (d) <line>
Which tag is used to create a text input field?
(a) <textarea> (b) <input type="text"> (c) <input type="password"> (d) <form>
In a blog, what is the use of "Archives"?
(a) To edit photos (b) To view old posts (c) To chat with users (d) To make video calls
Who is a digital citizen?
(a) Someone who knows how to use the internet responsibly
(b) Someone who plays games online
(c) Someone who buys online only
(d) Someone who owns a smartphone
What is the output produced by the following expression:
>>> print(round(3.7))
(a) 3 (b) 4 (c) 3.7 (d) 2
Which function is used to take input from the user in Python?
(a) input() (b) scanf() (c) read() (d) cin()

Group 'B'
Write a short answer to the following questions.
(10 × 2 = 20)

What is meant by versatility in terms of features of a computer?
Why is the QWERTY keyboard layout designed in its current form?
Convert (1110010)₂ into the hexadecimal number system and (12345)₁₀ into the octal number system.
Perform (1001011 × 1101)₂ and (10110011 + 110)₂ binary operations.
Name three ways to apply CSS to an HTML page.
How can we use social media in a safe way?
Define the concept of WWW.
Rewrite the given program after correcting the bugs:

import math

n = int(input("Enter a number"))

s = math.sqrt(n)

print("Square root of", n, "=", s)

Write the output of the given program and show it in a dry run table:

for n in range(2, 11, 2):

print(n)

Write a Python program to input the base and height of a triangle and calculate its area. (A = 1/2 × base × height)

Group 'C'
Write the long answer to the following questions.
(5 × 4 = 20)

Explain the architecture of a computer system, detailing the functions of the CPU, memory, input/output devices, and storage. [1+3]
List and explain the main features of Scratch programming.
Write an HTML code to prepare a web page about your school. The web page should contain the following:
(a) Write an introduction about your school.
(b) Write about any two extracurricular activities of your school.
What is cyber security? Why is it important for individuals and businesses?
Write a Python program to input a number and print its factorial using a function.

SET 9

Group 'A'
Choose the correct answer and write it in your answer sheet.
(10 × 1 = 10)

What is Computer Based Training (CBT)?
(a) Training conducted by robots
(b) Training in computer repair
(c) Training for computer games
(d) Training using computer software and program
What type of memory temporarily stores frequently accessed data for quicker retrieval?
(a) RAM (b) Cache memory (c) ROM (d) Hard Disk
What is the primary advantage of laser printers?
(a) Low cost (b) High-quality text and graphics (c) Slow printing speed (d) Noisy operation
Which of the following best describes the use of "My Blocks" in Scratch?
(a) Used to store data
(b) Used to add new sprites
(c) Used to create custom blocks for repeated use
(d) Used to control events
Which tag is used to insert a table row in HTML?
(a) <tr> tag (b) <td> tag (c) <table> tag (d) <th> tag
Which input type creates small round buttons?
(a) checkbox (b) radio (c) select (d) option
What is the primary purpose of a Virtual Private Network (VPN)?
(a) Securely connect to the internet and access resources
(b) Used for online meetings
(c) Play online games
(d) Edits images online
Which of the following is an active digital footprint?
(a) Phone calls (b) Social media post (c) Emails (d) All of the above
Which of these is a Python data type?
(a) integer (b) float (c) string (d) All of the above
Which of the following creates an infinite loop?
(a) a = 1; while (a <= 3): print(a)
(b) b = 1; while (b <= 3): print(b*b)
(c) c = 5; while (c >= 1): print(c)
(d) Both (a) and (b)

Group 'B'
Write a short answer to the following questions.
(10 × 2 = 20)

Explain functions of the data bus in a computer system.
Why is the SSD more popular than the hard disk in a modern computer today?
Convert (BADE)₁₆ into the octal number system and (23045)₁₀ into the hexadecimal number system.
Perform (100111 + 11011)₂ and (1010011 × 1001)₂ binary operations.
Explain the basic tags of HTML.
Write any two advantages of remote login.
Write two advantages of social media.
Rewrite the given program after correcting the bugs:

n = "nepal"

print(n.upper())

print(n.lower())

print(len(n))

Write the output of the given program and show it in a dry run table:

a = 10

b = 3

c = a + b

d = a // b

e = a % b

print(c, d, e)

Write a Python program to input a temperature in Celsius and convert it to Fahrenheit.

Group 'C'
Write the long answer to the following questions.
(5 × 4 = 20)

What is a device driver? Explain its importance with examples.
Arrange the following blocks in correct order to make a sprite move to a random position, wait for 1 second, and play a sound.
Write the HTML code to create the given form:

First Name:

Last Name:

Address:

Define digital footprint. Write three guidelines of being a good digital citizen.
Write a Python program to input a string and check whether it is a palindrome.

SET 10

Group 'A'
Choose the correct answer and write it in your answer sheet. (10 × 1 = 10)

What does the IPOS cycle stand for?
(a) Input, Process, Output, Storage
(b) Install, Process, Operate, Store
(c) Input, Print, Output, Save
(d) None of these
What does the motherboard typically contain?
(a) Only the CPU
(b) Only BIOS
(c) CPU, BIOS, Memory and various ports
(d) None of these
What are the cost effective features of secondary memory?
(a) High cost per bit
(b) Low cost per bit
(c) High speed
(d) None of these
Which component in micro-bit displays images, text, or animations?
(a) Buttons (b) 5 × 5 LED matrix (c) Sensors (d) Microphone
Which HTML tag is used to make text bold?
(a) <i> (b) <u> (c) <b> (d) <strong>
Which tag is used to write a small piece of text?
(a) <textarea> (b) <input type="text"> (c) <input type="password"> (d) <small>
The main purpose of social media is:
(a) Editing document (b) Sharing and communication (c) Playing online games (d) None of these
Multi-factor authentication requires:
(a) Only a username
(b) Only a password
(c) More than one verification factor
(d) None of these
Which keyword is used to define a function in Python?
(a) def (b) function (c) define (d) fun
What will be the output of the following code?

n = "KATHMANDU"

print(n.lower())

(a) kathmandu (b) Kathmandu (c) None of them (d) Error

Group 'B'
Write a short answer to the following questions.
(10 × 2 = 20)

Which output device would be most suitable for displaying a digital presentation? Explain why.
How does system software differ from application software?
Convert (71373)₈ into the binary number system and (1011100111)₂ into the hexadecimal number system.
Perform (1001101 × 11001)₂ and (10010011 + 111)₂ binary operations.
Write HTML code to create a hyperlink to www.google.com.
Write two disadvantages of social media.
List the components of a URL.
Re-write the given program after correcting the bugs:

for i in range(1, 6):

print(i)

if i % 2 == 0:

print("Even")

Write the output of the given program and show it in a dry run table:

x = 5

y = 3

print(x > y)

print(x == y)

print(x != y)

Write a Python program to input a number and check whether it is a multiple of 7.

Group 'C'
Write the long answer to the following questions.
(5 × 4 = 20)

What is packaged software? How is it different from tailor-made software? Explain.
Explain with examples how packaged software is used in daily life.
Write HTML code to prepare a web page that contains a heading and a paragraph about your favorite subject.
Explain the importance of cyber security in protecting personal and organizational data.
Write a Python program to input a number and check whether it is prime or not.

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