Half-Yearly Examination

Class 5 Half-Yearly Examination

Computer Science

👤 Student Name: Isha Goswami

Section A — Fill in the Blanks (10 Marks)

Q1

Principal

Correct: John W. Tukey

0/1

❌

Q2

0.5 inches

Correct: Every inch

0/1

❌

Q3

Vacuum tubes

Correct: Every inch

0/1

❌

Q4

Vacuum tubes

1/1

✅

Q5

Charles Babbage

1/1

✅

Q6

Superscript

1/1

✅

Q7

System

Correct: System software

0/1

❌

Q8

1500 tons

Correct: 18,000 vacuum tubes and weighed tons

0/1

❌

Q9

Ctrl + F

1/1

✅

Q10

VLSI

Correct: Microprocessors based on VLSI circuits

0/1

❌

Section B — Multiple Choice Questions (20 Marks)

Q1

b) Abacus

1/1

✅

Q2

b) Blaise Pascal

1/1

✅

Q3

UNIVAC I

Correct: b) ENIAC

0/1

❌

Q4

b) Second Generation

1/1

✅

Q5

c) Third Generation

1/1

✅

Q6

a) FORTRAN

1/1

✅

Q7

b) Two

1/1

✅

Q8

b) Windows

1/1

✅

Q9

b) VisiCalc

1/1

✅

Q10

b) Compression

1/1

✅

Q11

b) Defragmentation

1/1

✅

Q12

a) Format Painter

1/1

✅

Q13

b) Top

1/1

✅

Q14

b) Portrait

Correct: c) Layout tab

0/1

❌

Q15

b) Portrait

1/1

✅

Q16

b) This Device

1/1

✅

Q17

a) Interpreter

1/1

✅

Q18

c) Internet of Things

Correct: b) Internet of Things (IoT)

0/1

❌

Q19

c) Ctrl + P

Correct: b) Ctrl + H

0/1

❌

Q20

b) Tabulating Machine

1/1

✅

Section C — Assertion-Based MCQs (10 Marks)

Q1

b)

Correct: a)

0/1

❌

Q2

c)

Correct: a)

0/1

❌

Q3

d)

Correct: c)

0/1

❌

Q4

a)

1/1

✅

Q5

d)

Correct: c)

0/1

❌

Q6

d)

Correct: a)

0/1

❌

Q7

c)

1/1

✅

Q8

a)

1/1

✅

Q9

a)

1/1

✅

Q10

c)

Correct: b)

0/1

❌

Section D — True / False (10 Marks)

Q1

True

1/1

✅

Q2

False

1/1

✅

Q3

True

1/1

✅

Q4

True

1/1

✅

Q5

False

1/1

✅

Q6

True

Correct: False

0/1

❌

Q7

False

Correct: True

0/1

❌

Q8

True

1/1

✅

Q9

True

1/1

✅

Q10

False

1/1

✅

Section E — Short Answer Questions (20 Marks)

Q1

Answer not visible in uploaded photos.

—

📷

Q2

Answer not visible in uploaded photos.

—

📷

Q3

Answer not visible in uploaded photos.

—

📷

Q4

Answer not visible in uploaded photos.

—

📷

Q5

Answer not visible in uploaded photos.

—

📷

Q6

Answer not visible in uploaded photos.

—

📷

Q7

Answer not visible in uploaded photos.

—

📷

Q8

Answer not visible in uploaded photos.

—

📷

Q9

Answer not visible in uploaded photos.

—

📷

Q10

Answer not visible in uploaded photos.

—

📷

Visible Evaluation Score

32 / 50

Section A: 4/10

Section B: 16/20

Section C: 4/10

Section D: 8/10

Section E: Not visible

Section E answers were not visible in the uploaded photographs, so they have not been awarded marks.

Half-Yearly Examination

Computer Studies — BASIC-256

👤 Student Name: Chitrita Halder

Section A — Fill in the Blanks (10 Marks)

Q1

Simplest

Correct: Decision-making / Branching

0/1

❌

Q2

Looping

Correct: WHILE statement

0/1

❌

Q3

Counter

Correct: Starting number and total number of times

0/1

❌

Q4

Infinite loop

Correct: Counter variable

0/1

❌

Q5

Infinite loop

1/1

✅

Q6

IF-THEN-ELSE

Correct: IF-THEN

0/1

❌

Q7

Blank

Correct: Two types

0/1

❌

Q8

END WHILE

1/1

✅

Q9

IF-THEN-ELSE

Correct: Conditional / decision-making structures

0/1

❌

Q10

Blank

Correct: STEP

0/1

❌

Section B — Multiple Choice Questions (10 Marks)

Q1

a) END WHILE

1/1

✅

Q2

c) FOR-NEXT

1/1

✅

Q3

b) FOR

Correct: a) WHILE

0/1

❌

Q4

a) Repeats a section

1/1

✅

Q5

b) Counter variable

Correct: c) Start value

0/1

❌

Q6

a) FOR

1/1

✅

Q7

b) Conditional / Decision making

1/1

✅

Q8

a) A loop that never ends

1/1

✅

Q9

a) NEXT

1/1

✅

Q10

a) Statement block is skipped

1/1

✅

Section C — Assertion-Based MCQs (10 Marks)

Q1

a)

1/1

✅

Q2

a)

1/1

✅

Q3

d)

Correct: c)

0/1

❌

Q4

b)

Correct: a)

0/1

❌

Q5

c)

1/1

✅

Q6

a/d (unclear marking)

Correct: a)

0/1

❌

Q7

d)

Correct: c)

0/1

❌

Q8

a)

1/1

✅

Q9

d)

Correct: b)

0/1

❌

Q10

a)

1/1

✅

Section D — True / False (10 Marks)

Q1

True

1/1

✅

Q2

True

1/1

✅

Q3

False

1/1

✅

Q4

False

1/1

✅

Q5

False

Correct: True

0/1

❌

Q6

False

1/1

✅

Q7

True

Correct: False

0/1

❌

Q8

True

1/1

✅

Q9

True

1/1

✅

Q10

True

1/1

✅

Section E — Short Answer & BASIC-256 Programs (30 Marks)

Q1

Student Answer: “Spyware is a type of malware program.”

Evaluation: Correct definition of spyware.

2/2

✅

Q2

Answer not visible in uploaded photos.

—

📷

Q3

Student Answer: “Antivirus is needed for removing malware program from computer system.”

Evaluation: Correct purpose of antivirus.

2/2

✅

Q4

Answer not visible in uploaded photos.

—

📷

Q5

Answer not visible in uploaded photos.

—

📷

Q6

Answer not visible in uploaded photos.

—

📷

Q7

Student Program:
FOR i = 100 TO 10 STEP -1
  NEXT i
  PRINT i
END

Evaluation: Correct FOR...NEXT approach for printing 100 to 10.

4/4

✅

Q8

Answer not visible in uploaded photos.

—

📷

Q9

Student Program:
INPUT "Enter your age"; age
IF age >= 18 THEN
  PRINT "You are eligible to vote"
END IF

Evaluation: Correct IF-THEN program for voting eligibility.

4/4

✅

Q10

Student Program:
FOR i = 2 TO 100 STEP 2
  NEXT i
  PRINT i
END

Evaluation: Correct FOR...NEXT structure for even numbers up to 100.

4/4

✅

Visible Evaluation Score

39 / 46

Section A: 2/10

Section B: 8/10

Section C: 5/10

Section D: 8/10

Section E: 16/16 visible

Section E Q2, Q4, Q5, Q6 and Q8 are not visible in the uploaded photographs, so those questions have not been included in the visible score.

COMPUTISM LAB – HALF YEARLY EXAMINATION

Software, Scratch, Word Processor & Evolution of Computers

Student Name: Adhyaya Halder

SECTION A – Fill in the Blanks

Q1

Program

Correct: Program

1/1

✓

Q2

Father

Correct: Father

1/1

✓

Q3

Block

Correct: Meow

0/1

✗

Q4

D

Correct: F

0/1

✗

Q5

Operating

Correct: System

0/1

✗

Q6

Format Painter

Correct: Format Painter

1/1

✓

Q7

China

Correct: China

1/1

✓

Q8

Motion

Correct: Motion

1/1

✓

Q9

Software

Correct: Utility

0/1

✗

Q10

Programmer

Correct: Programmer

1/1

✓

SECTION B – MCQ

Q1

a

Abacus

1/1

✓

Q2

b

Windows Operating System

1/1

✓

Q3

a

Cat

1/1

✓

Q4

b

Superscript

1/1

✓

Q5

b

Motion

1/1

✓

Q6

a

Vacuum Tubes

1/1

✓

Q7

b

Ctrl + H

1/1

✓

Q8

b

MS Excel

1/1

✓

Q9

b

Second Generation

1/1

✓

Q10

a

Top and bottom margins

1/1

✓

SECTION C – Assertion Based MCQ

Q1

b

Correct: a

0/1

✗

Q2

a

Correct: a

1/1

✓

Q3

b

Correct: b

1/1

✓

Q4

b

Correct: b

1/1

✓

Q5

a

Correct: a

1/1

✓

Q6

c

Correct: a

0/1

✗

Q7

d

Correct: c

0/1

✗

Q8

c

Correct: c

1/1

✓

Q9

b

Correct: a

0/1

✗

Q10

a

Correct: a

1/1

✓

SECTION D – True / False

Q1

True

1/1

✓

Q2

True

1/1

✓

Q3

False

1/1

✓

Q4

False

1/1

✓

Q5

True

1/1

✓

Q6

True

1/1

✓

Q7

False

Correct: True

0/1

✗

Q8

False

1/1

✓

Q9

True

1/1

✓

Q10

True

1/1

✓

SECTION E – Short Answer

Q1

Software definition + System Software and Application Software

2/2

✓

Q2

Correct explanation of Scratch, but default sprite “Cat” is not named.

Expected: Scratch + Cat

1/2

△

Q3

Correct difference between Superscript and Subscript.

2/2

✓

Q4

Utility software definition and an example are given.

2/2

✓

Q5

Answer not visible in uploaded photos.

—

•

SECTION F – Programming & Practical Applications

Q1

Sum is calculated correctly, but average calculation is incorrect.

Average should be (A+B+C)/3

2/4

△

Q2

Program structure is present, but the condition checks 150 < A instead of A < 150.

Correct condition: IF A<150 THEN

1/4

△

Q3

Equality / not-equality logic is correct; an extra END IF is present.

3/4

△

Q4

Length and breadth are given, but the area/perimeter formulas are incomplete/incorrect.

Area = L×B; Perimeter = 2×(L+B)

1/4

△

Q5

Square and cube are calculated and printed correctly.

4/4

✓

VISIBLE / EVALUATED SCORE

49 / 70

Section A: 6/10

Section B: 10/10

Section C: 6/10

Section D: 9/10

Section E: 7/8 visible

Section F: 11/20

COMPUTISM LAB CLASS 8 – HALF YEARLY EXAMINATION

Class 8 Computer Science

Student Name: Rajdeep Chakraborty

SECTION A – Fill in the Blanks

Q1

Answer not visible in uploaded photo.

—

•

Q2

X axis

Correct: Category axis

0/1

✗

Q3

Else if

Correct: Looping statements

0/1

✗

Q4

SUM

Correct: SUM

1/1

✓

Q5

Multi-user, multitasking operating system

Expected: Server/Network operating system example

0/1

✗

Q6

Radar chart

Correct: XY/Scatter chart

0/1

✗

Q7

Relative statement

Correct: IF statement

0/1

✗

Q8

$ dollar sign

Correct: $

1/1

✓

Q9

Area

Correct: Chart Area

1/1

✓

Q10

Input

Correct: Zero delay / latency

0/1

✗

SECTION B – Multiple Choice Questions

Q1

b) Chart

1/1

✓

Q2

b) Radar

1/1

✓

Q3

a) &

1/1

✓

Q4

b) #DIV/0!

1/1

✓

Q5

c) if...else

1/1

✓

Q6

b) Real-time

1/1

✓

Q7

b) DOS

1/1

✓

Q8

b) Multitasking

1/1

✓

Q9

b) Chart area

1/1

✓

Q10

b) Rounds to nearest integer

1/1

✓

Q11

b) Line chart

Correct: d) Hardware

0/1

✗

Q12

a) Line chart

1/1

✓

Q13

a) ROUND

1/1

✓

Q14

b) 1

1/1

✓

Q15

b) Value axis

1/1

✓

Q16

b) Windows

1/1

✓

Q17

b) A group of contiguous cells

1/1

✓

Q18

b) While loop

Correct: c) do...while loop

0/1

✗

Q19

b) Interface / Bridge

1/1

✓

Q20

a) MS PowerPoint

1/1

✓

SECTION C – Assertion-Based MCQs

Q1

a

1/1

✓

Q2

a

1/1

✓

Q3

b

1/1

✓

Q4

b

1/1

✓

Q5

a

1/1

✓

Q6

c

1/1

✓

Q7

a

1/1

✓

Q8

b

1/1

✓

Q9

b

Correct: a

0/1

✗

Q10

c

1/1

✓

SECTION D – True / False

Q1

True

1/1

✓

Q2

True

Correct: False

0/1

✗

Q3

False

1/1

✓

Q4

True

1/1

✓

Q5

False

1/1

✓

Q6

False

1/1

✓

Q7

True

1/1

✓

Q8

False

1/1

✓

Q9

False

1/1

✓

Q10

True

1/1

✓

SECTION E – Short Answer Questions

Q1

Correct explanation of a control statement with an appropriate example.

2/2

✓

Q2

Correctly distinguishes sequential execution from selection based on a condition.

2/2

✓

Q3

Describes Excel functions rather than an Excel formula and gives function examples.

Expected: Formula is an expression used for calculation, e.g. =A1+B1

0/2

✗

Q4

Correctly defines a cell range as a group of contiguous cells, but the standard notation is not clearly given.

Example: A1:B5

1/2

△

Q5

Correct explanation of absolute and mixed references.

2/2

✓

Q6

Correct role of an operating system and suitable examples: Windows and MS-DOS.

2/2

✓

Q7

Correctly explains Excel functions and gives SUM and AVERAGE as examples.

2/2

✓

Q8

Correctly explains the purpose of charts for visual representation and analysis of data.

2/2

✓

Q9

Correct explanation of a data series in a chart.

2/2

✓

Q10

Correctly explains the visual and user-friendly advantages of GUI over CUI.

2/2

✓

VISIBLE / EVALUATED SCORE

55 / 69

Section A: 2/9 visible

Section B: 18/20

Section C: 9/10

Section D: 9/10

Section E: 17/20

Section A Q1 was not visible in the uploaded sheet.

COMPUTISM LAB CLASS 7 – HALF YEARLY EXAMINATION

Class 7 Computer Science

Student Name:Spandan Chakraborty

SECTION A – Fill in the Blanks

Q1

Power Supply

Correct: Power Supply

1/1

✓

Q2

Analog

Correct: Analog

1/1

✓

Q3

Motherboard

Correct: Motherboard

1/1

✓

Q4

Random Access Memory

Correct: Random Access Memory

1/1

✓

Q5

8

Correct: 8

1/1

✓

Q6

F

Correct: F

1/1

✓

Q7

Virus

Correct: Under Siege

0/1

✗

Q8

Boot

Correct: Boot

1/1

✓

Q9

<img>

Correct: <img>

1/1

✓

Q10

<form>

Correct: <form>

1/1

✓

SECTION B – Multiple Choice Questions

Q1

a) Central Processing Unit

1/1

✓

Q2

c) RAM

1/1

✓

Q3

b) Scanner

1/1

✓

Q4

c) Output

1/1

✓

Q5

a) Impact printer

1/1

✓

Q6

c) 16

1/1

✓

Q7

b) 1010

1/1

✓

Q8

a) 4D2

1/1

✓

Q9

c) 2

1/1

✓

Q10

b) 12

1/1

✓

Q11

b) Virus

1/1

✓

Q12

b) Sweeper

1/1

✓

Q13

c) Worm

1/1

✓

Q14

b) <tr>

1/1

✓

Q15

a) Choose multiple options

1/1

✓

Q16

c) <caption>

1/1

✓

Q17

a) border-collapse: collapse;

1/1

✓

Q18

b) src

1/1

✓

Q19

b) <ol>

1/1

✓

Q20

c) <href>

Correct: b) <a> (Anchor tag)

0/1

✗

SECTION C – Assertion-Based MCQs

Q1

a

1/1

✓

Q2

a

1/1

✓

Q3

b

1/1

✓

Q4

a

1/1

✓

Q5

a

1/1

✓

Q6

b

1/1

✓

Q7

c

1/1

✓

Q8

a

1/1

✓

Q9

a

1/1

✓

Q10

a

1/1

✓

SECTION D – True / False

Q1

False

1/1

✓

Q2

True

Correct: False

0/1

✗

Q3

False

1/1

✓

Q4

True

1/1

✓

Q5

True

1/1

✓

Q6

False

1/1

✓

Q7

True

1/1

✓

Q8

False

1/1

✓

Q9

True

1/1

✓

Q10

True

1/1

✓

SECTION E – Short Answer Questions

Q1

Correctly differentiates between RAM and ROM.

2/2

✓

Q2

Correctly differentiates between internal and external hardware with examples.

2/2

✓

Q3

Correct explanation of a plotter and its use.

2/2

✓

Q4

Correctly differentiates between impact and non-impact printers.

2/2

✓

Q5

Correctly explains the use of the motherboard.

2/2

✓

Q6

150₈ and 1020₈ were converted correctly; 73₈ was not answered.

Correct: 150₈ = 1101000₂, 73₈ = 111011₂, 1020₈ = 1000010000₂

1.33/2

△

Q7

101100₂ = 44, 1100110₂ = 102, 101010101₂ = 341

All three conversions are correct.

2/2

✓

Q8

150 and 1020 were converted correctly; 73 was not answered.

Correct: 150₁₀ = 10010110₂, 73₁₀ = 1001001₂, 1020₁₀ = 1111111100₂

1.33/2

△

Q9

Correctly explains antivirus and gives examples such as AVG and Norton.

2/2

✓

Q10

Correct definition and explanation of malware.

2/2

✓

FINAL EVALUATION SCORE

65.67 / 70

Section A: 9/10

Section B: 19/20

Section C: 10/10

Section D: 9/10

Section E: 18.67/20

COMPUTISM LAB – HALF YEARLY EXAMINATION

Python Programming | Max Marks: 100

Student Name: Srija Debnath

Section A – Fill in the Blanks (10 Marks)

1. 0/1

Answer: Looping

Correct Answer: break

2. 0/1

Answer: While place holder

Correct Answer: else

3. 0/1

Answer: Statement

Correct Answer: pass

4. 0/1

Answer: Syntax

Correct Answer: loop

5. 0/1

Answer: Block of code

Correct Answer: for character in string / for char in string

6. 0/1

Answer: Python

Correct Answer: continue

7. 0/1

Answer: Repeat loop

Correct Answer: beginning

8. 0/1

Answer: Infinite down execution

Correct Answer: nested loops

9. 0/1

Answer: Loop for...

Correct Answer: readability

10. 0/1

Answer: Range-Based

Correct Answer: iteration

Section A Score: 0/10

Section B – MCQs (10 Marks)

1. 0/1

Answer: d) To slow down execution

Correct Answer: c) To automate repetitive tasks

2. 1/1

Answer: b) For loop

Correct!

3. 0/1

Answer: Skips current iteration

Correct Answer: c) Exits loop prematurely

4. 0/1

Answer: c) Runs on break

Correct Answer: b) Executes on normal completion

5. 1/1

Answer: a) pass

Correct!

6. 0/1

Answer: a) 1, 2, 3, 4, 5, 6

Correct Answer: b) 1, 2, 3, 4, 5

7. 0/1

Answer: Not answered

Correct Answer: a) while loop

8. 0/1

Answer: Not answered

Correct Answer: c) Infinite Loop

9. 0/1

Answer: Not answered

Correct Answer: b) continue

10. 0/1

Answer: Not answered

Correct Answer: a) Loops inside another loop

Section B Score: 2/10

Section C – Assertion-Based MCQs (10 Marks)

1. 0/1

Answer: b) Both are true, but unrelated

Correct Answer: a)

2. 0/1

Answer: a) Both A and R are true

Correct Answer: c) A is false, but R is true

3. 1/1

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

Correct!

4. 0/1

Answer: d) Both are false

Correct Answer: c)

5. 0/1

Answer: a) Both are true

Correct Answer: c)

6. 1/1

Answer: a) Both are true, and R is the correct explanation

Correct!

7. 0/1

Answer: b) Both are true, unrelated

Correct Answer: a)

8. 1/1

Answer: a) Both are true, and R is the correct explanation

Correct!

9. 0/1

Answer: d) A is false, R is true

Correct Answer: a)

10. 0/1

Answer: d) A is false, R is true

Correct Answer: a)

Section C Score: 3/10

Section D – True / False (10 Marks)

1. 1/1

Answer: True

Correct!

2. 0/1

Answer: True

Correct Answer: False

3. 1/1

Answer: False

Correct!

4. 1/1

Answer: True

Correct!

5. 0/1

Answer: False

Correct Answer: True

6. 0/1

Answer: False

Correct Answer: True

7. 1/1

Answer: False

Correct!

8. 0/1

Answer: False

Correct Answer: True

9. 1/1

Answer: True

Correct!

10. 1/1

Answer: True

Correct!

Section D Score: 6/10

Section E – Short Answer Questions (10 Marks)

1. 0/2

Answer: Attempted, but the difference between break and continue is not correctly explained.

Correct Answer: break terminates the loop; continue skips the current iteration and proceeds to the next iteration.

2. 0/2

Answer: Attempted, but the purpose of loop-else is not correctly explained.

Correct Answer: The else block executes when the loop completes normally without encountering break.

3. 0/2

Answer: Attempted, but the definition and accidental scenario for an infinite loop are not correctly given.

Correct Answer: An infinite loop continues indefinitely; it can occur when a while-loop condition never becomes False.

4. 1/2

Answer: Nested loop mentioned, but the definition and practical use are not clearly explained.

Correct Answer: A nested loop is a loop inside another loop, useful for tables or multi-dimensional data.

5. 0/2

Answer: Attempted, but the role of pass is not correctly explained.

Correct Answer: pass is a null statement used as a placeholder where a statement is syntactically required but no action is needed.

Section E Score: 1/10

Section F – Python Programming Tasks (25 Marks)

1. 1/5

Answer: Attempted with “break”, “for loop” and “print”, but no complete valid Python program is provided.

A complete Python program demonstrating the break statement was required.

2. 0/5

Answer: Not answered

Required: while loop to print all even numbers from 1 to 100.

3. 0/5

Answer: Not answered

Required: Python program demonstrating continue.

4. 0/5

Answer: Not answered

Required: Program to print all letters of a string on new lines.

5. 0/5

Answer: Not answered

Required: Loop with else block / target-number search program.

Section F Score: 1/25

Final Score: 13/100

Section-wise:
Section A: 0/10
Section B: 2/10
Section C: 3/10
Section D: 6/10
Section E: 1/10
Section F: 1/25

Total: 13/100