adhyaya

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✨ Comprehensive Computer Assessment ✨

COMPUTISM LAB 

HALF YEARLY EXAMINATION

Software, Scratch, Word Processor & Evolution of Computers

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Standard: Computer Studies

Max Marks: 100

Time Allowed: 3 Hours

Section A: Fill in the Blanks10 Marks

1. A set of instructions given to a computer to perform a specific task is called a .
2. Charles Babbage is widely considered as the of computers.
3. The default sound in Scratch is the sound.
4. The shortcut key for the Find feature in MS Word is Ctrl + .
5. software is designed to manage system resources and hardware operations.
6. The tool copies text formatting from one part of a document and applies it to another.
7. The Abacus was developed in the country of .
8. Motion blocks in Scratch belong to the category.
9. Utility software helps in maintaining and protecting the system.
10. Ada Lovelace is historically recognized as the world's first .

Section B: Multiple Choice Questions (MCQs)10 Marks

1. Which of the following is an early calculating device?
   • a. Abacus
   • b. Smartphone
   • c. Tablet
   • d. Smartwatch
2. Which of the following is system software?
   • a. MS Paint
   • b. Windows Operating System
   • c. MS Word
   • d. Calculator App
3. What is the default sprite in Scratch?
   • a. Cat
   • b. Dog
   • c. Robot
   • d. Bird
4. Which option places selected text slightly above the normal text baseline?
   • a. Subscript
   • b. Superscript
   • c. Underline
   • d. Italic
5. Which category in Scratch contains blocks for sprite movement?
   • a. Looks
   • b. Motion
   • c. Sound
   • d. Control
6. First-generation computers primarily used which electronic components?
   • a. Vacuum Tubes
   • b. Transistors
   • c. Microprocessors
   • d. Integrated Circuits
7. What is the shortcut key for the Replace feature in MS Word?
   • a. Ctrl + F
   • b. Ctrl + H
   • c. Ctrl + R
   • d. Ctrl + P
8. Which of the following is an application software?
   • a. Linux
   • b. MS Excel
   • c. Windows 10
   • d. BIOS
9. Transistors were introduced in which generation of computers?
   • a. First Generation
   • b. Second Generation
   • c. Third Generation
   • d. Fourth Generation
10. Where are headers and footers placed in a Word document?
    • a. Top and bottom margins
    • b. Center of the page
    • c. Inside tables only
    • d. Desktop background

Section C: Assertion-Based MCQs10 Marks

1. Assertion (A): System software acts as an interface between user applications and computer hardware.
   Reason (R): Application software cannot execute independently without underlying system software.
   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 generated massive amounts of heat and required large air-conditioned rooms.
   Reason (R): They were constructed using thousands of delicate 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 unrelated.
   c) A is true, R is false.
   d) A is false, R is true.
3. Assertion (A): The Format Painter tool is used to replicate font formatting, colors, and styles across text.
   Reason (R): It permanently alters document margins and page orientations.
   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): Scratch scripts are built by snapping programming blocks together in the script area.
   Reason (R): Scratch requires complex text-based coding in professional programming languages like C++.
   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.
5. Assertion (A): Charles Babbage is celebrated as the pioneer who conceptualized the Analytical Engine.
   Reason (R): His pioneering mechanical designs laid foundational architecture for modern computers.
   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.
6. Assertion (A): Utility software includes programs like antivirus, backup tools, and disk cleaners.
   Reason (R): They assist in optimizing computer performance and safeguarding stored data.
   a) Both A and R are true, and R is the correct explanation of A.
   b) A is true, R is false.
   c) A is false, but R is true.
   d) Both A and R are false.
7. Assertion (A): Superscript places characters below the normal line of text.
   Reason (R): Subscript is used for writing mathematical formulas like chemical equations ($H_2O$).
   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): Computers possess independent feelings, common sense, and emotional intuition.
   Reason (R): Computers operate strictly based on human-written programs and instructions.
   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.
9. Assertion (A): Headers appear at the top margin of every page in a multi-page document.
   Reason (R): They are useful for displaying document titles, chapter names, or page numbers.
   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): Second-generation computers replaced vacuum tubes with transistors.
    Reason (R): Transistors made computers smaller, faster, and much more energy-efficient.
    a) Both A and R are true, and R is the correct explanation of A.
    b) Both are false.
    c) A is true, R is false.
    d) A is false, but R is true.

Section D: True or False10 Marks

1. Software is a collection of programs designed to perform specific tasks. (True / False)
2. The Abacus is recognized as one of the earliest calculating devices. (True / False)
3. Scratch is a text-based programming language requiring complex syntax codes. (True / False)
4. Application software can run without any operating system installed. (True / False)
5. The Format Painter tool copies text formatting and applies it elsewhere. (True / False)
6. Charles Babbage is known as the father of computers. (True / False)
7. Subscript places characters slightly below the normal baseline. (True / False)
8. Computers have feelings and can make independent emotional decisions. (True / False)
9. Utility software helps in cleaning and managing computer files. (True / False)
10. The stage in Scratch is where the sprite performs actions based on scripts. (True / False)

Section E: Short Answer Questions (2 Marks Each)10 Marks

1. Define software and name its primary types.
   
   
2. What is Scratch? Name its default sprite.
   
   
3. Differentiate between Superscript and Subscript.
   
   
4. What is utility software? Give one example.
   
   
5. State any two limitations of a computer.
   
   

Section F: Programming & Practical Applications (Final Question)20 Marks

1. Program 1: Sum and Average of three numbers.
2. Program 2: Input a number and check if it is smaller than 150 or not.
   
3. Program 3: Input two numbers and check if they are equal or not.
   
4. Program 4: Area and Perimeter of a rectangle.
5. Program 5: WAP to read a number and print its square and cube in the same line.
   
   

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

CREATED BY BIJAN KRISHNA PAUL