Computer Class 7 Annual Exam 2024-25

A. Choose the correct option.

The physical part of the computer is called
- a. Hardware
- b. Hard disk
- c. Software
- d. CPU
Computer programs that are required for the effective running of a computer system are called
- a. Modem
- b. Software
- c. Hard disk
- d. Port
Hardware that resides inside the computer is called
- a. Internal hardware
- b. Residing hardware
- c. External hardware
- d. Soft hardware
SMPS is an
- a. Internal hardware
- b. Software
- c. External hardware
- d. None of these

A. Choose the correct option.

The concept of zero was introduced by
- a. Aryabhat
- b. Samuels
- c. Bill Gates
- d. Ada Lovelace
We use this number system in computers
- a. Decimal Number System
- b. Binary Number System
- c. Octal Number System
- d. Hexadecimal Number System
There are __ digits in the binary number system.
- a. 1
- b. 2
- c. 10
- d. 16
The base is 16 in this number system.
- a. Binary Number System
- b. Octal Number System
- c. Decimal Number System
- d. Hexadecimal Number System
To convert a decimal number into a binary number, divide the number by
- a. 10
- b. 2
- c. 8
- d. 16

A. Choose the correct option.

A computer VIRUS has the ability to
- a. Replicate hard discs
- b. Replicate software
- c. Replicate itself
- d. None of these
The full form of VIRUS is
- a. Vital Information Resource Under Size
- b. Vital Internal Resource Under Size
- c. Vital Information Resource Under Seize
- d. Very Information Resource Under Seize
VIRUS that "infects" a Microsoft Word or similar applications is called
- a. Boot sector VIRUS
- b. Directory VIRUS
- c. Macro VIRUS
- d. Companion VIRUS
This VIRUS functions by infecting the directory of a computer
- a. Polymorphic VIRUS
- b. Directory VIRUS
- c. Macro VIRUS
- d. Companion VIRUS
Which of the following is not a measure to prevent VIRUS attack?
- a. Use a firewall
- b. Install an antiVIRUS program
- c. Isolate the usage of affected drives
- d. Do not open personal folder

A. Choose the correct option.

Sometimes text in a spreadsheet is called
- a. Action
- b. Label
- c. Count
- d. Value
A cell can contain up to
- a. 22,767 characters
- c. 32,676 characters
- b. 37,767 characters
- d. 32,767 characters
The selected block of cells is called
- a. Cells
- b. Range
- c. Sheet
- d. None of these
The type of data that we can enter in a worksheet.
- a. Labels
- b. Formulas
- c. Values
- d. All of these
The SUM function to add the values of cells A1 to A10
- a. =SUM(A1:A10)
- b. =SUM(A1/A10)
- c. =SUM(A1+A10)
- d. =SUM(A1-A10)

A. Choose the correct option.

An HTML document is a text file which contains
- a. Big markup tags
- b. Small markup tags
- c. No markup tags
- d. Medium markup tags
An HTML document must have an extension of
- a. .htm
- c. .html
- b. Either .htm or .html
- d. Neither .htm nor .html
___ is placed within the HEAD structure.
- a. Title
- b. Footer
- c. Body
- d. Comment tag

A. Choose the correct option.

Who developed Python?
- a. Guido Van Rossum
- b. Mitchel Resnick
- c. Bjarne Stroustrup
- d. James Gosling
Which of the following is an Object-Oriented Programming Language?
- a. Java
- b. C++
- c. Python
- d. All of these
Which type of operator is a == b?
- a. Arithmetic
- c. Assignment
- b. Comparison
- d. Logical
What does a != b mean?
- a. a is equal to b
- b. a is greater than b
- c. a is not equal to b
- d. a is less than b
If a = 5 and b = 2, what is the value of a ** b?
- a. 10
- b. 25
- c. 3
- d. 7

A. Choose the correct option.

Who developed the first artificial intelligence program "Logic Theorist"?
- a. Allen Newell
- b. Herbert A. Simon
- c. Both a & b
- d. Alan Turing
In which year was the first chatbot ELIZA invented?
- a. 1959
- b. 1990
- c. 1972
- d. 1966
Ernst Dickmanns developed the first driverless van for

a. Mercedes
b. Hyundai
c. Honda
d. TATA

C. Write T for True and F for False statements.

Processor is a part of the motherboard. → T
Fan near the power supply sucks hot air into the cabinet and blows cool air out of the cabinet. → F
The word 'pixel' stands for picture elements. → T
MICR code is another name for IFSC code. → F
'Modem' is derived from the words 'modulator-demodulator'. → T

C. Write T for True and F for False statements.

The modern binary number system was invented by Gottfried Leibniz. → T
To convert a binary number to octal, first convert the binary number to a decimal number. → F (Binary is directly grouped into sets of three to convert to octal.)
To convert an octal number to binary, the number is divided by 2 repeatedly. → F (Each octal digit is directly converted to a 3-bit binary equivalent.)
The hexadecimal number system consists of 16 digits. → T
Binary number for 43 is 101011. → T

B. Write T for True and F for False statements.

Computer VIRUS was designed for the benefits of computer. → F
Memory resident VIRUS only comes into action when the file containing the VIRUS is executed. → T
A directory VIRUS functions by infecting the directory of your computer. → T
A trojan is a self-replicating computer program that penetrates an operating system. → F (Trojans do not self-replicate like viruses; they disguise themselves as legitimate programs.)
We can also prevent VIRUS attack by ignoring any unknown attachments in e-mails. → T

B. Write T for True and F for False statements.

.py is the extension of Python files. → T
Python cannot be used to build Artificial Intelligence Algorithms. → F (Python is widely used for AI development.)
The result of x % y is 1, when x = 7 and y = 2. → T (7 % 2 gives remainder 1.)
When a = 100 and b = 75, a <= b returns true. → F (100 is not less than or equal to 75, so the result is False.)

B. Write T for True and F for False statements.

We can view the HTML document in a web browser only. → F (HTML documents can be viewed in text editors as well.)
The very first part of an HTML document is called Title. → F (The first part is the <!DOCTYPE html> declaration and the <html> tag; the title is inside the <head> section.)
The first and last tags in a document should always be the HTML tags. → T (The <html> tag is the root element, and it encloses all other content.)
The hexadecimal value for green is #00FF00. → T
UL stands for Unordered List and LI for List Item. → T

Fill in the blanks:

HTML is simply a set of instructions about how to display your webpage.
An HTML document is a text file containing small markup tags.
The HEAD tags contain all of the document's header information.
The tag to create a link is called <A>, which stands for Anchor.
OL means Ordered List, and the LI stands for List Item.
<CAPTION> is an optional tag used to specify captions for the table.
The <input> element is the most important form element.

Here are 10 Fill in the Blanks questions for Class VII on the introduction of Python:

Python was created by __________ in 1991.
Answer: Guido van Rossum
The extension of a Python file is __________.
Answer: .py
The __________ function is used to display output in Python.
Answer: print()
In Python, a single-line comment starts with the __________ symbol.
Answer: #
Python is an __________ programming language, meaning code is executed line by line.
Answer: interpreted
To take input from the user, we use the __________ function in Python.
Answer: input()
Variables in Python cannot start with a __________.
Answer: number
The __________ operator is used for multiplication in Python.
Answer: *
Python is known for its __________ syntax, which makes it easy to learn and use.
Answer: simple
To check the length of a string in Python, we use the __________ function.
Answer: len()

Here are 10 Short Question and Answer examples on the introduction of Python for Class VII:

Short Questions and Answers

Q: What is Python?
A: Python is a high-level, interpreted programming language known for its simplicity and readability.
Q: Who created Python, and when was it created?
A: Python was created by Guido van Rossum in 1991.
Q: What is the extension of Python files?
A: The extension of Python files is .py.
Q: Why is Python called an interpreted language?
A: Python is called an interpreted language because its code is executed line by line by the Python interpreter.
Q: What is the use of the print() function in Python?
A: The print() function is used to display output on the screen.
Q: What symbol is used to write single-line comments in Python?
A: The # symbol is used to write single-line comments.
Q: What is a variable in Python?
A: A variable is a container for storing data values.
Q: Name two popular uses of Python.
A: Python is used for web development and data analysis.
Q: Is Python case-sensitive?
A: Yes, Python is case-sensitive. For example, Name and name are considered different variables.
Q: How do you take input from the user in Python?
A: We use the input() function to take input from the user.

Short Question Answers

What is Kismet? In which year was it invented?
- Kismet is a social robot invented in 1998 by Cynthia Breazeal.
What is Machine Learning?
- It enables computers to learn from data and improve performance without explicit programming.
What is a Spreadsheet?
- A spreadsheet is a digital tool used to organize, calculate, and analyze data in tabular form.
What is MS Excel?
- MS Excel is a spreadsheet software developed by Microsoft for data management and analysis.
What is a Workbook?
- A workbook is a collection of worksheets in Excel used to store and manage data.
What is RAM?
- RAM (Random Access Memory) is a temporary memory that stores data for quick access by the CPU.
Differentiate between hardware and software.
- Hardware: Physical parts of a computer (e.g., CPU, RAM).
- Software: Programs that run on a computer (e.g., MS Office, Windows).
How is data represented within the computer?
- Data is represented in binary form (0s and 1s) inside a computer.
Why do computers use binary numbers?
- Computers use binary because they work on electrical signals, which have two states: ON (1) and OFF (0).
What do you mean by a computer VIRUS?

A virus is a malicious program that infects and damages computer files and systems.

Define the term HTML.

HTML (HyperText Markup Language) is used to create and structure web pages.

What are tags and attributes?

Tags: HTML elements used to define content (e.g., <p>, <h1>).
Attributes: Provide additional information about tags (e.g., <img src="image.jpg">).