COMPUTISM LAB CLASS 5 HALF YEARLY EXAMINATION

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✨ Class 5 Computer Science Examination ✨

KCOMPUTISM LAB CLASS 5 HALF YEARLY EXAMINATION

Half-Yearly Assessment

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Class: 5

Max Marks: 70

Time Allowed: 2 Hours

Section A: Fill in the Blanks10 Marks

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

Section B: Multiple Choice Questions (MCQs)20 Marks

1. Which of the following was the first mechanical calculating device?
   • a. Pascaline
   • b. Abacus
   • c. Mark I
   • d. ENIAC
2. Who invented the first mechanical calculator called Pascaline?
   • a. John Napier
   • b. Blaise Pascal
   • c. Howard Aiken
   • d. Herman Hollerith
3. Which of these was the first general-purpose electronic digital computer?
   • a. UNIVAC I
   • b. ENIAC
   • c. EDVAC
   • d. Mark I
4. Transistors were used in which generation of computers?
   • a. First Generation
   • b. Second Generation
   • c. Third Generation
   • d. Fourth Generation
5. Integrated Circuits (ICs) were the main technology of which generation?
   • a. First
   • b. Second
   • c. Third
   • d. Fourth
6. Which high-level language came into existence during the second generation?
   • a. FORTRAN
   • b. PASCAL
   • c. Scratch
   • d. C++
7. Software is broadly classified into how many types?
   • a. One
   • b. Two
   • c. Three
   • d. Four
8. Which of the following is an example of an operating system?
   • a. MS Word
   • b. Windows
   • c. Paint
   • d. WinZip
9. What is the first spreadsheet program ever created?
   • a. MS Excel
   • b. VisiCalc
   • c. Lotus 1-2-3
   • d. Google Sheets
10. Which utility software reduces the size of files to save disk space?
    • a. Backup
    • b. Compression
    • c. Defragmentation
    • d. Disk Cleanup
11. The process of rearranging fragmented data into contiguous blocks is called:
    • a. Compression
    • b. Defragmentation
    • c. Formatting
    • d. Backing up
12. Which tool helps copy formatting from one text and apply it to another?
    • a. Format Painter
    • b. Find and Replace
    • c. Subscript
    • d. Superscript
13. Where is the header placed in a Word document?
    • a. Bottom
    • b. Top
    • c. Middle
    • d. Center
14. Which tab contains the Columns and Page Setup options in Word?
    • a. Home tab
    • b. Insert tab
    • c. Layout tab
    • d. View tab
15. What is the default page orientation in MS Word?
    • a. Landscape
    • b. Portrait
    • c. Vertical
    • d. Square
16. Which feature is used to insert a picture from your computer PC?
    • a. Online Pictures
    • b. This Device
    • c. Clip Art
    • d. Shape
17. Language processors include assembler, compiler, and:
    • a. Interpreter
    • b. Defragmenter
    • c. Generator
    • d. Formatter
18. Which technology connects everyday objects like light bulbs and thermostats to the internet?
    • a. Artificial Intelligence
    • b. Internet of Things (IoT)
    • c. Virtual Reality
    • d. Robotics
19. What is the shortcut key for the Replace feature in Word?
    • a. Ctrl + F
    • b. Ctrl + H
    • c. Ctrl + R
    • d. Ctrl + P
20. Which device was invented by Herman Hollerith for tabulating data?
    • a. Mark I
    • b. Tabulating Machine
    • c. Analytical Engine
    • d. UNIVAC I

Section C: Assertion-Based MCQs10 Marks

1. Assertion (A): An operating system acts as a bridge between the user and computer hardware.
   Reason (R): Without an operating system, a computer cannot manage its internal activities or run applications.
   a) Both A and R are true, and R is the correct explanation of A.
   b) Both A and R are true, but R is not the correct explanation of A.
   c) A is true, but R is false.
   d) A is false, but R is true.
2. Assertion (A): First generation computers produced massive heat and burnt out frequently.
   Reason (R): They were built using thousands of vacuum tubes.
   a) Both A and R are true, and R is the correct explanation of A.
   b) Both A and R are true, but R is not the correct explanation of A.
   c) A is true, but R is false.
   d) A is false, but R is true.
3. Assertion (A): Application software can run independently without any system software.
   Reason (R): System software controls the overall operations and manages system resources for application programs.
   a) Both A and R are true.
   b) A is true, but R is false.
   c) A is false, but R is true.
   d) Both A and R are false.
4. Assertion (A): Defragmentation speeds up data retrieval on a hard disk.
   Reason (R): It consolidates scattered file pieces into a single contiguous area.
   a) Both A and R are true, and R is the correct explanation of A.
   b) Both A and R are true, but R is not the correct explanation of A.
   c) A is true, but R is false.
   d) A is false, but R is true.
5. Assertion (A): Computers possess real human thinking and emotions.
   Reason (R): Artificial intelligence enables computers to solve complex problems and learn from patterns.
   a) Both A and R are true.
   b) A is true, R is false.
   c) A is false, but R is true.
   d) Both A and R are false.
6. Assertion (A): The Format Painter tool copies text formatting from one place and applies it to another.
   Reason (R): It copies font styles, sizes, colors, and border settings effortlessly.
   a) Both A and R are true, and R is the correct explanation of A.
   b) Both A and R are true, but unrelated.
   c) A is true, R is false.
   d) A is false, R is true.
7. Assertion (A): The default page orientation in MS Word is Landscape.
   Reason (R): Portrait orientation prints text vertically along the longer side of the page.
   a) Both A and R are true.
   b) A is true, R is false.
   c) A is false, but R is true.
   d) Both A and R are false.
8. Assertion (A): Virtual Reality (VR) immerses a user in a completely different digital environment using a special headset.
   Reason (R): Augmented Reality (AR) adds digital elements directly into the real physical world.
   a) Both A and R are true, and R explains AR while A explains VR.
   b) Both are false.
   c) A is true, R is false.
   d) A is false, R is true.
9. Assertion (A): A backup utility helps protect against data loss if a hard disk fails.
   Reason (R): Backups create duplicate copies of important data on secondary storage devices.
   a) Both A and R are true, and R is the correct explanation of A.
   b) Both A and R are true, but unrelated.
   c) A is true, R is false.
   d) A is false, R is true.
10. Assertion (A): Third generation computers replaced transistors with Integrated Circuits (ICs).
    Reason (R): ICs made computers larger, slower, and more expensive than second-generation machines.
    a) Both A and R are true.
    b) A is true, R is false.
    c) A is false, R is true.
    d) Both are false.

Section D: True or False10 Marks

1. Abacus was the first mechanical device invented to perform calculations. (True / False)
2. Computers do not need electrical power or internet connection to operate. (True / False)
3. System software runs in the background and users cannot interact directly with it. (True / False)
4. Disk Cleanup helps free up hard drive space by removing unwanted temporary files. (True / False)
5. You cannot insert a line break in the middle of a sentence in Word. (True / False)
6. The Superscript option places selected text slightly below the baseline. (True / False)
7. Charles Babbage is known as the father of modern computers. (True / False)
8. Fourth generation computers use microprocessors based on VLSI circuits. (True / False)
9. The columns option allows you to format document text in newspaper style. (True / False)
10. Computers possess real instincts and can experience feelings like happiness or sadness. (True / False)

Section E: Short Answer Questions (2 Marks Each)20 Marks

1. What is software? Name its two main types.
2. State any two main functions of an operating system.
3. Define backup. Why is regular data backup essential?
4. What is the purpose of the Disk Cleanup utility in a computer system?
5. Differentiate between Superscript and Subscript options in MS Word.
6. What is the use of headers and footers in a document?
7. Differentiate between system software and application software.
8. What are language processors? Name the three types of language processors.
9. Write any two limitations of a computer.
10. What is Artificial Intelligence (AI)? Give two examples of AI applications.

⭐ Best of Luck for Your Examination! Keep Learning! 🚀

CREATED BY BIJAN KRISHNA PAUL