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
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
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
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
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