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Saturday, September 12, 2026

PRALAY COMPUTISM LAB

ICT Windows 10 & Computer Fundamentals

শিক্ষামূলক প্রশ্ন ও মূল্যায়ন সেট (Bengali)

১. শূন্যস্থান পূরণ করো (10 Fill in the Blanks)

  1. পেইন্ট তৈরি করা ফাইলকে বলা হয়।
  2. টাইটেল বারের ঠিক নীচেই থাকে ।
  3. পেইন্টের রিবনে Home ও View নামে টি ট্যাব থাকে।
  4. পেইন্টে যে কাজগুলি বেশি করা হয় সেই কাজে ব্যবহৃত টুলগুলি একটি নির্দিষ্ট টুল বার থাকে যার নাম ।
  5. জুম কমান্ড গ্রুপটি রিবনে থাকে।
  6. পেইন্টারের ড্রইং এরিয়া নামেম পরিচিত। 
  7. পেনসিল টুল ব্যবহার করে আঁকা লাইনকে লাইন বলে। 
  8. অপারেটিং সিস্টেম হল সফটওয়্যার। 
  9. কম্পিউটারের সাথে যুক্ত ব্যক্তি বর্গকে বলে । 
  10. একটি অপারেটিং সিস্টেমের উদাহরণ হল । 

২. সঠিক উত্তর নির্বাচন করো (10 MCQs)

  1. পেইন্ট উইন্ডোতে কয়টি অ্যাক্সেস টুল বার থাকে?

  2. পেইন্ট-এর রিবন-এ থাকে—

  3. হোম ট্যাব-এ থাকে—

  4. পেনসিল টুলের সাহায্যে যে ছবি আঁকা হয় তাকে বলে—

  5. ইরেজার টুলের সাহায্যে—

  6. ব্রাশ টুলের সাহায্যে—

  7. ম্যাগনিফায়ার টুলের সাহায্যে—

  8. কোনো ছবি সম্পর্কে সঠিক কিছু দেখার জন্য কী ব্যবহার করা হয়?

  9. কোনো ছবির নির্দিষ্ট কোনো অংশে কী কালার আছে তা দেখতে কী ব্যবহার করা হয়?

  10. পেইন্ট উইন্ডোজের রূপকার কে?

৩. নিচের বাক্যগুলি সত্য অথবা মিথ্যা লেখো (10 True / False)

  1. পেইন্ট হল একটি টেক্সট এডিটর। 
  2. টাইটেল বারের একেবারে বাঁদিকে থাকে হোম ট্যাব। 
  3. পেইন্ট রিবনের ট্যাব হল দুটি হোম ও ফরম্যাট। 
  4. টুলস কমান্ড গ্রুপটি থাকে হোম রিবনে। 
  5. ভার্টিক্যাল স্ক্রল বারের সাহায্যে কোনো ছবিকে ডানদিক বা বাঁদিকে সরানো যায়। 
  6. ক্যানভাসের সাইজ কত তা জানা যায় স্ট্যাটাস বার থেকে। 
  7. শেপস টুলের সাহায্যে বিভিন্ন জ্যামিতিক চিত্র আঁকা যায়। 
  8. পেইন্ট-এর কোনো ছবিকে সেভ করা যায় না। 
  9. ক্লিপবোর্ড কমান্ড গ্রুপ থাকে হোম ট্যাবে। 
  10. ইরেজার টুলের সাহায্যে পেইন্টে আঁকা ছবি মোছা যায়। 

৪. সংক্ষিপ্ত উত্তর দাও (10 Two-Marks Questions)

  1. পেইন্ট কী?

  2. পেইন্ট ওপেন করার পথপদ্ধতি লেখো।

  3. পেইন্ট-এর কোনো ফাইল সেভ করার পদ্ধতি লেখো।

  4. পেইন্ট উইন্ডোজের স্কুল বারের দুটি কাজ কী?

  5. পেনসিল টুল ব্যবহার করে ছবি আঁকার পথপদ্ধতি লেখো।

  6. অপারেটিং সিস্টেমের দুটি কাজ লেখো।

  7. বুটিং কী? কম্পিউটার চালু করার প্রক্রিয়া লেখো।

  8. দুটি GUI এবং মাল্টি ইউজার অপারেটিং সিস্টেমের উদাহরণ দাও।

  9. CUI ও GUI-এর দুটি পার্থক্য লেখো।

  10. শাট ডাউন (Shut down) কী? কম্পিউটারের অফিসিয়াল বন্ধ করার প্রক্রিয়া।

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Friday, September 11, 2026

COMPUTISM LAB CALCUTTA AIRPORT ENGLISH HIGH SCHOOL

💻 🧠 🤖

COMPUTISM LAB

CLASS 6 HALF YEARLY EXAMINATION

HTML Basic Tags – Answer Sheet

Class: 6 Max Marks: 100 Time: 2 Hours

📝 SECTION A – Fill in the Blanks

  1. The <title> tag contains the title of an HTML document.
  2. To break a line and move to the next line, the <br> tag is used.
  3. The <b> tag is used to make text appear in bold letters.
  4. The <u> tag is used to display an underline beneath text.
  5. The <i> tag is used to display text in italics.
  6. The <sub> tag creates subscript text, such as the number 2 in H2O.
  7. The <sup> tag creates superscript text, such as the power 2 in X2.
  8. All the visible content of a webpage must be placed inside the <body> tag.
  9. The <title> tag is placed inside the head section to define the document title.
  10. HTML stands for HyperText Markup Language.

🎯 SECTION B – Multiple Choice Questions

1. Which tag is used to insert a single line break?
✅ Answer: (b) <br>
2. Which tag makes text bold?
✅ Answer: (b) <b>
3. Which tag underlines text?
✅ Answer: (c) <u>
4. Which tag is used for italic text?
✅ Answer: (c) <i>
5. Where should the <title> tag be placed?
✅ Answer: (b) Inside <head>
6. Which tag displays text below the baseline?
✅ Answer: (a) <sub>
7. Which tag displays text above the baseline?
✅ Answer: (b) <sup>
8. Where do you place text that appears on the webpage?
✅ Answer: (c) <body>
9. Which tag is an empty tag?
✅ Answer: (c) <br>
10. What does the <title> element define?
✅ Answer: (b) The title shown on the browser tab

🧠 SECTION C – Assertion Based MCQs

  1. Answer: (a)
    Both Assertion and Reason are true, and Reason correctly explains the Assertion.
  2. Answer: (a)
    Both Assertion and Reason are true, and Reason correctly explains the Assertion.
  3. Answer: (c)
    Assertion is false, but Reason is true. The <title> tag belongs inside the <head>, not the body.
  4. Answer: (a)
    Both Assertion and Reason are true, and Reason correctly explains the Assertion.
  5. Answer: (a)
    Both Assertion and Reason are true, and Reason correctly explains the Assertion.
  6. Answer: (c)
    Assertion is false, but Reason is true. The <head> contains metadata and the document title; it is not the visible webpage body.
  7. Answer: (a)
    Both Assertion and Reason are true, and Reason correctly explains the Assertion.
  8. Answer: (a)
    Both Assertion and Reason are true, and Reason correctly explains the Assertion.
  9. Answer: (c)
    Assertion is false, but Reason is true. The <br> tag is an empty element and does not require a separate closing tag.
  10. Answer: (a)
    Both Assertion and Reason are true, and Reason correctly explains the Assertion.

✔️ SECTION D – True or False

1. The <b> tag is used to make text bold.
🟢 TRUE
2. The <br> tag requires a matching closing tag </br>.
🔴 FALSE
3. The <title> tag must be placed inside the <head> tag.
🟢 TRUE
4. The <sub> tag makes text appear above the normal line.
🔴 FALSE
5. The <i> tag displays text in italic format.
🟢 TRUE
6. The <body> tag contains all visible content of the webpage.
🟢 TRUE
7. The <u> tag is used to underline text.
🟢 TRUE
8. The <sup> tag is used for superscript text.
🟢 TRUE
9. The <head> tag is placed after the <body> tag.
🔴 FALSE
10. HTML tags are written inside angle brackets.
🟢 TRUE

💻 SECTION E – HTML Programming Answers

Program 1 – Name, School Name and H₂O

Answer: The following HTML program uses <head>, <title>, <body>, <b>, <u>, <br> and <sub>. 

<!DOCTYPE html>
<html>

<head>
    <title>My Introduction</title>
</head>

<body>

    <b>My Name</b>
    <br>

    <u>My School Name</u>
    <br>

    H<sub>2</sub>O

</body>

</html>
Output:

My Name
My School Name
H2O

Program 2 – Maths Formula

Answer: The following program displays the title in italic and uses the <sup> tag for powers. 

<!DOCTYPE html>
<html>

<head>
    <title>Maths Formula</title>
</head>

<body>

    <i>Maths Formula</i>
    <br>

    <b>X<sup>2</sup> + Y<sup>2</sup></b>

</body>

</html>
Output:

Maths Formula
X2 + Y2

📚 Quick HTML Tag Reference

Tag Purpose Example
<head> Contains document information <head>...</head>
<title> Sets browser tab title <title>Home</title>
<body> Contains visible webpage content <body>Hello</body>
<br> Creates a line break Hello<br>World
<b> Makes text bold <b>Hello</b>
<u> Underlines text <u>Hello</u>
<i> Makes text italic <i>Hello</i>
<sub> Creates subscript H<sub>2</sub>O
<sup> Creates superscript X<sup>2</sup>
⭐ 💻 ⭐

Best of Luck for Your Examination!

Keep Learning • Keep Practising • Keep Exploring 🚀

CREATED BY BIJAN KRISHNA PAUL

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COMPUTISM LAB (ADAMAS WORLD SCHOOL )

🧠 Computer Science – Answer Sheet

Aditya | Half-Yearly Assessment

Max Marks: 70 | Time: 3 Hours

📝 Section A: Fill in the Blanks – Answers

  1. The Desktop is the first screen that appears after turning on the computer.
  2. Microsoft Edge is the default web browser of Windows 10.
  3. A collection of related web pages is referred to as a Website.
  4. The unique address of a website is called its URL (Uniform Resource Locator).
  5. A Range is a group of contiguous cells in an Excel worksheet.
  6. Formulas in Excel always start with an equal (=) sign.
  7. The intersection of a row and a column in a table is called a Cell.
  8. The Merge Cells option lets you combine two or more table cells into a single cell.
  9. The title bar is located at the top of the browser or application window.
  10. Email stands for Electronic Mail.

💻 Section B: MCQ – Answers

  1. Windows 10 – Option B
  2. Task View – Option A
  3. World Wide Web – Option A
  4. Google – Option A
  5. Book1 – Option C
  6. 1048576 – Option A
  7. Layout – Option C
  8. Format Painter – Option A
  9. Tab key – Option B
  10. * – Option C

🧩 Section C: Assertion-Based MCQ – Answers

  1. Answer: A
    Both Assertion and Reason are true, and the Reason correctly explains the Assertion.
  2. Answer: B
    Assertion is true, but Reason is false.
  3. Answer: A
    Both Assertion and Reason are true, and the Reason correctly explains the Assertion.
  4. Answer: A
    Both Assertion and Reason are true, and the Reason relates correctly to cell manipulation.
  5. Answer: B
    Assertion is true, but Reason is false.
  6. Answer: B
    Both Assertion and Reason are true, but the Reason is an example rather than a direct explanation of the definition.
  7. Answer: C
    Assertion is false, but Reason is true.
  8. Answer: A
    Both Assertion and Reason are true, and the Reason correctly explains the Assertion.
  9. Answer: B
    Assertion is true, but Reason is false.
  10. Answer: A
    Both Assertion and Reason are true, and the Reason correctly explains the Assertion.

✅ Section D: True or False – Answers

  1. True – The taskbar is normally located at the bottom of the Windows desktop.
  2. False – Microsoft Edge is a web browser, not a spreadsheet program.
  3. True – A website consists of interconnected web pages.
  4. False – Excel formulas normally begin with an equal (=) sign.
  5. True – Multiple table cells can be combined using Merge Cells.
  6. True – The intersection of a row and column is called a cell.
  7. True – Email means Electronic Mail.
  8. True – Sheet1 is the default worksheet name in a new Excel workbook.
  9. True – Task View helps manage and switch between virtual desktops and tasks.
  10. True – The title bar displays the name of the active document/application.

⭐ Best of Luck ⭐

Keep Learning and Exploring! 🚀

CREATED BY BIJAN KRISHNA PAUL

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COMPUTISM LAB SOLUTION ST XAVIERS SCHOOL PANIHATI CLASS V

COMPUTISM LAB HALF YEARLY EXAMINATION - SOLUTIONS

Section A: Fill in the Blanks

  1. program (or software)
  2. father
  3. pop
  4. F
  5. System
  6. Format Painter
  7. China
  8. Motion
  9. system
  10. programmer

Section B: Multiple Choice Questions (MCQs)

  • 1. a. Abacus
  • 2. b. Windows Operating System
  • 3. a. Cat
  • 4. b. Superscript
  • 5. b. Motion
  • 6. a. Vacuum Tubes
  • 7. b. Ctrl + H
  • 8. b. MS Excel
  • 9. b. Second Generation
  • 10. a. Top and bottom margins

Section C: Assertion-Based MCQs

  • 1. a) Both A and R are true, and R is the correct explanation of A.
  • 2. a) Both A and R are true, and R is the correct explanation of A.
  • 3. b) A is true, but R is false.
  • 4. b) A is true, R is false.
  • 5. a) Both A and R are true, and R is the correct explanation of A.
  • 6. a) Both A and R are true, and R is the correct explanation of A.
  • 7. c) A is false, but R is true.
  • 8. d) A is false, but R is true.
  • 9. a) Both A and R are true, and R is the correct explanation of A.
  • 10. a) Both A and R are true, and R is the correct explanation of A.

Section D: True or False

  • 1. True
  • 2. True
  • 3. False
  • 4. False
  • 5. True
  • 6. True
  • 7. True
  • 8. False
  • 9. True
  • 10. True


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COMPUTISM LAB RESULT(EXAM HELD ON 4TH SEP/5TH SEP 2026)

NAME
A B C D E TOTAL
ISHA8/1018/204/106/10—36/50
ADITYA7/1013/207/102/1015/3044/80
BRIJESH7/1013/207/103/1012/3042/80
RUDRANI/10/20/10/10/30/80
ARADHYA6/1010/204/1010/103/330/53
RIYANSHIKA5/1015/202/107/1011/1240/62
RIDDHI5/1015/203/108/1013/3044/80
CHITRITA/10/20/10/10/30/80
AYUSH5/107/102/106/100/2020/60
ADITYA (ADAMAS)4/107/203/106/100/3020/70
ADHYAYA7/109/105/108/1023/3052/70
ADRIK10/1018/208/1010/1030/3076/80
DEBANGANA8/1017/207/109/1022/3063/80
PRITHWIRAJ5/1017/207/109/1025/3063/80
SPANDAN10/1020/2010/109/1025/3074/80
AVANTIKA8/85/70/08/88/829/31
SRIJA
TRISHANJIT8/1018/208/1010/1030/3074/80
SOHAM7/1019/208/106/1023/3063/80
ARNA10/1017/207/1010/1023/2467/74
SRIJIT
ANKITA7/101/55/104/63/420/35
RAJDEEP7/1017/206/108/1044/4582/95



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Thursday, September 10, 2026

COMPUTISM LAB ANSWER OF HALF YEARLY QUESTION 2026

📚 St. Jude's School
Half-Yearly Examination • Complete Solutions

🧒
Class 5
St. Jude's
VIEW
📘
Class 6
St. Jude's
VIEW
📗
Class 7
St. Jude's
VIEW
📕
Class 8
St. Jude's
VIEW
📙
Class 9
St. Jude's
COMING SOON
📓
Class 10
St. Jude's
COMING SOON
```
💻 Computer Education • St. Jude's School
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💻 COMPUTISM LAB CLASS 5 — COMPLETE SOLUTION

 

💻 COMPUTISM LAB CLASS 5 — COMPLETE SOLUTION

SECTION A — Fill in the Blanks

10 Marks

The questions on the page are listed in Section A.

  1. The term software was first used by John W. Tukey in 1957.
  2. An operating system acts like a manager managing a computer's tasks.
  3. The default tab stop in Microsoft Word is set at every 0.5 inch.
  4. First-generation computers were based on vacuum tubes.
  5. Charles Babbage is considered the father of computers.
  6. The Superscript option places the selected text slightly above the baseline.
  7. Application software cannot run without system software.
  8. ENIAC consisted of about 18,000 vacuum tubes and weighed about 30 tons.
  9. The shortcut key to use the Find feature in MS Word is Ctrl + F.
  10. Fourth-generation computers are based on microprocessors using VLSI (Very Large Scale Integration) circuits.

SECTION B — Multiple Choice Questions

20 Marks

The paper contains 20 MCQs.

Q.Correct Answer
1b. Abacus
2b. Blaise Pascal
3b. ENIAC
4b. Second Generation
5c. Third
6a. FORTRAN
7b. Two
8b. Windows
9b. VisiCalc
10b. Compression
11b. Defragmentation
12a. Format Painter
13b. Top
14c. Layout tab
15b. Portrait
16b. This Device
17a. Interpreter
18b. Internet of Things (IoT)
19b. Ctrl + H
20b. Tabulating Machine

Some important explanations

Q1. First mechanical calculating device

The Abacus is an ancient calculating device and is commonly regarded as the earliest calculating device.

Answer: b. Abacus

Q2. Pascaline

The Pascaline was invented by Blaise Pascal.

Answer: b. Blaise Pascal

Q3. First general-purpose electronic digital computer

ENIAC stands for Electronic Numerical Integrator and Computer.

Answer: b. ENIAC

Q4. Transistors

Transistors replaced vacuum tubes in the second generation of computers.

Answer: b. Second Generation

Q5. Integrated Circuits

Integrated Circuits were the main technology of third-generation computers.

Answer: c. Third

Q6. High-level language

FORTRAN was developed during the second generation of computers.

Answer: a. FORTRAN

Q9. First spreadsheet

VisiCalc is widely recognized as the first spreadsheet program.

Answer: b. VisiCalc

Q10. File-size reduction

Compression reduces the size of files to save storage space.

Answer: b. Compression

Q11. Fragmented data

Rearranging fragmented data into contiguous blocks is called defragmentation.

Answer: b. Defragmentation

Q19. Replace

The shortcut key for Replace in Microsoft Word is:

Ctrl + H

SECTION C — Assertion-Based MCQs

10 Marks

The paper contains 10 assertion-reason questions.

1. Operating System

Assertion: An operating system acts as a bridge between the user and computer hardware.

Reason: Without an operating system, a computer cannot manage its internal activities or run applications.

✅ Answer: a. Both A and R are true, and R is the correct explanation of A.

2. First Generation Computers

Assertion: First-generation computers produced massive heat and burnt out frequently.

Reason: They were built using thousands of vacuum tubes.

✅ Answer: a. Both A and R are true, and R is the correct explanation of A.

3. Application Software

Assertion: Application software can run independently without any system software.

Reason: System software controls the overall operations and manages system resources for application programs.

The assertion is false, while the reason is true.

✅ Answer: c. A is false, but R is true.

4. Defragmentation

Assertion: Defragmentation speeds up data retrieval on a hard disk.

Reason: It consolidates scattered file pieces into a single contiguous area.

Both are true, and the reason explains how defragmentation can improve retrieval efficiency.

✅ Answer: a. Both A and R are true, and R is the correct explanation of A.

5. Artificial Intelligence

Assertion: Computers possess real human thinking and emotions.

Reason: Artificial intelligence enables computers to solve complex problems and learn from patterns.

The assertion is false. AI can process information and learn patterns, but computers do not possess real human emotions.

✅ Answer: c. A is false, but R is true.

6. Format Painter

Assertion: The Format Painter tool copies text formatting from one place and applies it to another.

Reason: It copies font styles, sizes, colors, and border settings effortlessly.

Both statements are true and the reason explains the assertion.

✅ Answer: a. Both A and R are true, and R is the correct explanation of A.

7. Page Orientation

Assertion: The default page orientation in MS Word is Landscape.

Reason: Portrait orientation prints text vertically along the longer side of the page.

The assertion is false. The default orientation is Portrait, while the reason is true.

✅ Answer: c. A is false, but R is true.

8. Virtual Reality

Assertion: Virtual Reality (VR) immerses a user in a completely different digital environment using a special headset.

Reason: Augmented Reality (AR) adds digital elements directly into the real physical world.

Both statements are true. However, the reason describes AR, while the assertion describes VR.

The options explicitly recognize this distinction.

✅ Answer: a. Both A and R are true, and R explains AR while A explains VR.

9. Backup

Assertion: A backup utility helps protect against data loss if a hard disk fails.

Reason: Backups create duplicate copies of important data on secondary storage devices.

Both are true, and the reason explains the assertion.

✅ Answer: a. Both A and R are true, and R is the correct explanation of A.

10. Third Generation Computers

Assertion: Third-generation computers replaced transistors with Integrated Circuits (ICs).

Reason: ICs made computers larger, slower, and more expensive than second-generation machines.

The assertion is true, but the reason is false. ICs generally made computers smaller, faster and more reliable.

✅ Answer: b. A is true, R is false.

SECTION D — TRUE OR FALSE

10 Marks

The 10 statements are given in Section D of the examination page.

No.StatementAnswer
1Abacus was the first mechanical device invented to perform calculations.❌ False
2Computers do not need electrical power or internet connection to operate.❌ False
3System software runs in the background and users cannot interact directly with it.❌ False
4Disk Cleanup helps free up hard drive space by removing unwanted temporary files.✅ True
5You cannot insert a line break in the middle of a sentence in Word.❌ False
6The Superscript option places selected text slightly below the baseline.❌ False
7Charles Babbage is known as the father of modern computers.✅ True
8Fourth-generation computers use microprocessors based on VLSI circuits.✅ True
9The Columns option allows you to format document text in newspaper style.✅ True
10Computers possess real instincts and can experience feelings like happiness or sadness.❌ False
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💻 COMPUTISM LAB CLASS 8 — COMPLETE SOLUTION

 

💻 COMPUTISM LAB CLASS 8 — COMPLETE SOLUTION

SECTION A — Fill in the Blanks

  1. Scratch was developed by the Lifelong Kindergarten Group at MIT Media Lab, led by Mitchel Resnick.
  2. The X-axis in an Excel chart is also known as the category axis.
  3. Statements that repeat a set of instructions based on a condition are called looping statements.
  4. The SUM function in Excel is used to calculate the sum of values.
  5. An operating system that manages network traffic and multi-user environments is essential for server computers, such as Windows Server.
  6. A scatter chart displays data points by combining X and Y values into single points.
  7. The if statement is used for making decisions in programming languages.
  8. In Excel, absolute cell referencing uses the $ sign before column and row references.
  9. A chart includes all the objects and elements present in a chart window.
  10. Real-time operating systems are primarily used in applications that require zero delay.

The questions in this section are given on the examination page.

SECTION B — Multiple Choice Questions

Q.QuestionCorrect Answer
1Effective way to display data in pictorial formb. Chart
2Chart similar to a spider's netb. Radar
3Text concatenation operator in Excela. &
4Error when a number is divided by zerob. #DIV/0!
5Selection statementc. if...else
6OS used in air traffic controlb. Real-time
7CUI-based operating systemb. DOS
8Running several programs simultaneouslyb. Multitasking
9Component showing the actual grapha. Plot area
10INT functionb. Rounds to nearest integer
11Not a control structured. Hardware
12Best chart for trends over timea. Line chart
13Function that rounds a numbera. ROUND
14MOD(10, 3)b. 1
15Axis representing values in a standard column chartb. Value axis
16Example of system softwareb. Windows
17Cell rangeb. A group of contiguous cells
18Loop that checks condition at the endc. do...while loop
19OS between user and hardwareb. Interface / Bridge
20Program for presentationsa. MS PowerPoint

These are based directly on the 20 MCQs published in Section B.

Important calculations

Q14: MOD(10,3)

10 ÷ 3 gives:

  • Quotient = 3
  • Remainder = 1

Therefore:

MOD(10,3) = 1

SECTION C — Assertion-Based MCQs

1.

Assertion: Control statements alter the normal sequential flow of program execution.

Reason: They allow programs to make decisions and repeat blocks of code based on conditions.

✅ Answer: a) Both A and R are true, and R is the correct explanation of A.

2.

Assertion: The condition in an if statement must evaluate to a Boolean value (True or False).

Reason: Program decisions depend entirely on whether the tested condition is true or false.

✅ Answer: a) Both A and R are true, and R is the correct explanation of A.

3.

Assertion: Excel functions are predefined formulas used to perform calculations.

Reason: Users cannot write custom calculations; they must rely entirely on built-in functions.

✅ Answer: b) A is true, but R is false.

Explanation: Excel provides predefined functions, but users can also create their own formulas.

4.

Assertion: An operating system is software that controls overall computer operations and hardware.

Reason: Application software can run independently without any operating system.

✅ Answer: b) A is true, but R is false.

Explanation: Application programs normally depend on an operating system to access hardware and system resources.

5.

Assertion: Charts make it easier to draw comparisons and analyze relationships in data visually.

Reason: Pictorial representation of data is more engaging and easier to interpret than raw numbers.

✅ Answer: a) Both A and R are true, and R is the correct explanation of A.

6.

Assertion: Absolute cell references change when copied to another cell.

Reason: Dollar signs ($) are used to lock row and column coordinates in absolute referencing.

✅ Answer: c) A is false, but R is true.

Example:

$A$1

When copied, the reference remains $A$1.

7.

Assertion: Real-time operating systems guarantee response within a strict time constraint.

Reason: They are utilized in mission-critical environments like medical equipment and industrial robotics.

Here, both statements are true, but the reason gives examples of where RTOS is used rather than directly explaining the definition of a strict time constraint.

✅ Answer: b) Both A and R are true, but unrelated.

8.

Assertion: The legend in a chart helps identify different data series by their colors or patterns.

Reason: Without a legend, users cannot read axis labels or chart titles.

✅ Answer: b) A is true, but R is false.

Explanation: Axis labels and chart titles can still be read without a legend.

9.

Assertion: Looping statements are used to repeat execution of a statement block multiple times.

Reason: For and while loops are classic examples of looping structures in programming.

The reason gives examples of looping structures and supports the assertion.

✅ Answer: a) Both A and R are true, and R is the correct explanation of A.

10.

Assertion: GUI operating systems require users to type text commands for every operation.

Reason: Graphical user interfaces use icons, menus, and windows for easy interaction.

✅ Answer: c) A is false, but R is true.

SECTION D — True or False

No.StatementAnswer
1The condition in an if statement must always return a Boolean value.✅ True
2All conditions in an if...else if...else ladder are checked even if one is already true.❌ False
3Sequential statements involve loops and conditions by default.❌ False
4The chart title indicates the overall purpose of the chart.✅ True
5Gridlines are exclusively used in XY scatter charts and no other chart types.❌ False
6Software and hardware operate completely independently without interaction.❌ False
7The BIOS loads the operating system into the computer's RAM during startup.✅ True
8A single-user multitasking operating system allows more than one user to log in at the same time.❌ False
9The SUM function is used to calculate averages of a given cell range.❌ False
10File management is an essential core function of modern operating systems.✅ True
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