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Friday, August 28, 2026

Chapter 1: Classification of Computers and Languages (St Jude's High School class -6)

Chapter 1: Classification of Computers and Languages

Section A: Multiple Choice Questions (30 Marks)

1. A speedometer in a car is an example of which type of computer?

A) Digital Computer
B) Analog Computer
C) Hybrid Computer
D) Mainframe Computer

2. An Automated Teller Machine (ATM) is classified as a:

A) General-purpose computer
B) Special-purpose computer
C) Analog computer
D) Supercomputer

3. Which computer language is directly understood by computer hardware without translation?

A) Assembly Language
B) High-Level Language
C) Machine Language
D) Java

4. Which type of computer is the most powerful in terms of processing speed and memory?

A) Microcomputer
B) Mainframe Computer
C) Supercomputer
D) Minicomputer

5. An automatic washing machine uses which specialized computer type inside it?

A) Supercomputer
B) Embedded Computer
C) Mainframe Computer
D) Analog Computer

6. Machine language is written using binary digits, which consist of:

A) 1 and 2
B) 0 and 1
C) Letters A and B
D) Mnemonic codes

7. Assembly language uses symbolic codes in place of binary numbers called:

A) High codes
B) Mnemonic codes
C) Object codes
D) Tags

8. Which program converts assembly language code into machine language?

A) Compiler
B) Interpreter
C) Assembler
D) Text Editor

9. Which translator program reads and converts high-level code line-by-line?

A) Compiler
B) Interpreter
C) Assembler
D) Microprocessor

10. Which translator converts an entire high-level program into machine language at once?

A) Interpreter
B) Compiler
C) Assembler
D) Linker

11. Which of the following is an example of a Supercomputer?

A) PARAM Brahma
B) IBM Z
C) HP 3000
D) Apple iPad

12. Which computer category is widely used by students in schools and personal work?

A) Supercomputer
B) Microcomputer
C) Mainframe Computer
D) Analog Computer

13. Java, Python, and C++ are examples of:

A) Machine Language
B) Assembly Language
C) High-Level Language
D) Low-Level Language

14. A flight simulator uses a combination of analog and digital technology called a:

A) Supercomputer
B) Mainframe Computer
C) Hybrid Computer
D) Microcomputer

15. Large institutions like banks and government organizations use which computers for critical processing?

A) Microcomputers
B) Mainframe Computers
C) Laptops
D) Embedded Computers

16. In binary representation, '0' signifies which state?

A) On
B) Off
C) Active
D) Pause

17. In binary representation, '1' signifies which state?

A) Off
B) On
C) Idle
D) Error

18. Programming languages that closely resemble human English are known as:

A) Machine Languages
B) High-Level Languages
C) Low-Level Languages
D) Binary Languages

19. Low-level languages are hardware-dependent and include Machine Language and:

A) Python
B) Assembly Language
C) Java
D) C++

20. The process of writing instructions/programs for computers is known as:

A) Formatting
B) Programming
C) Compiling
D) Defragmentation

21. ENIAC is an example of which generation computer?

A) First Generation
B) Second Generation
C) Third Generation
D) Fourth Generation

22. Laptops, tablets, and smartphones belong to which category of computers?

A) Microcomputers
B) Mainframes
C) Supercomputers
D) Analog computers

23. Which machine language translation happens fastest because it needs no complex processing?

A) Machine Language (Direct execution)
B) High-Level Code
C) Python Script
D) Assembly Code

24. Which type of language program requires a translator program to run on a computer?

A) Machine Language
B) High-Level Language
C) Binary Code
D) Direct Signal

25. IBM Z is an example of which type of computer system?

A) Mainframe Computer
B) Supercomputer
C) Embedded System
D) Analog Computer

26. Smartwatches and smart TVs contain microcontrollers categorized as:

A) Embedded Computers
B) Supercomputers
C) Analog Computers
D) Mainframe Systems

27. High-level languages are easier to learn than machine languages because they are:

A) Written in 0s and 1s
B) Written in English-like words
C) Hardware-dependent
D) Written using binary circuits

28. Microcomputers are also referred to as:

A) Personal Computers (PCs)
B) Supercomputers
C) Mainframes
D) Analog Servers

29. Which translator generates an object code file after translating the whole source code?

A) Compiler
B) Interpreter
C) Assembler
D) Editor

30. Computers are broadly categorized based on generation, type, purpose, size, cost, and:

A) Speed and Storage Capacity
B) Monitor Size
C) Mouse Brand
D) Paper Type

Section B: Assertion & Reason Questions (30 Marks)

Directions: Choose the correct option for each question:

  • A: Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
  • B: Both Assertion (A) and Reason (R) are true, but Reason (R) is NOT the correct explanation of Assertion (A).
  • C: Assertion (A) is true, but Reason (R) is false.
  • D: Assertion (A) is false, but Reason (R) is true.

31. Assertion (A): Machine language is directly understood by a computer.
Reason (R): Machine language is expressed in binary form consisting of 0s and 1s.

32. Assertion (A): High-level languages require translator programs to execute on a computer.
Reason (R): Computer processors can only execute binary machine code directly.

33. Assertion (A): An Interpreter translates a program faster when fixing errors line-by-line during development.
Reason (R): An Interpreter translates line-by-line, stopping immediately when an error is encountered.

34. Assertion (A): A Compiler translates the whole program into machine code at once.
Reason (R): Compilers display all error messages together after analyzing the entire source code.

35. Assertion (A): Laptops and tablets are portable microcomputers.
Reason (R): Microcomputers are small, lightweight, and suitable for personal use.

36. Assertion (A): Supercomputers are used for personal office work.
Reason (R): Supercomputers are massive, extremely expensive systems used for complex scientific tasks like weather forecasting.

37. Assertion (A): Flight simulators are examples of hybrid computers.
Reason (R): Hybrid computers combine the speed of analog computers with the accuracy of digital computers.

38. Assertion (A): Assembly language is considered a high-level language.
Reason (R): Assembly language uses mnemonic codes instead of English-like sentences.

39. Assertion (A): An ATM is a special-purpose computer system.
Reason (R): ATMs are built to perform specific dedicated banking functions like cash withdrawal.

40. Assertion (A): High-level languages are easier for humans to read and write.
Reason (R): High-level language syntax closely resembles standard English.

41. Assertion (A): Speedometer measures continuous physical quantities like speed.
Reason (R): Analog computers process continuous physical measurements rather than discrete numbers.

42. Assertion (A): High-level programs are difficult to learn compared to machine code.
Reason (R): Machine code requires memorizing long strings of 0s and 1s.

43. Assertion (A): Embedded computers run dedicated control functions in everyday appliances.
Reason (R): Automatic washing machines and microwave ovens contain embedded microcontrollers.

44. Assertion (A): Machine language programs are portable and run on any hardware.
Reason (R): Machine language is hardware-dependent and tailored to specific processor architectures.

45. Assertion (A): Mainframe computers handle thousands of user transactions simultaneously.
Reason (R): Mainframe systems possess immense data processing power and high reliability.

46. Assertion (A): Assembler translates Java programs into machine code.
Reason (R): Assembler is designed specifically to convert assembly language mnemonic codes.

47. Assertion (A): High-level languages are hardware-independent.
Reason (R): A high-level program can run on different types of computers using appropriate translators.

48. Assertion (A): Programming is the art of writing sets of instructions for computers.
Reason (R): Computers require step-by-step instructions to execute any task.

49. Assertion (A): PARAM Brahma is a Supercomputer developed in India.
Reason (R): India has built advanced supercomputing systems under national missions.

50. Assertion (A): Machine language requires no translator program.
Reason (R): It is already expressed in native binary 0s and 1s.

51. Assertion (A): Binary 1 represents the "Off" state in digital circuits.
Reason (R): Binary 0 represents the "Off" state and 1 represents the "On" state.

52. Assertion (A): A desktop computer is an example of a microcomputer.
Reason (R): Desktop computers are designed for individual desktop use.

53. Assertion (A): Interpreter generates a permanent standalone object file.
Reason (R): Compiler generates an object code file after translating the whole code.

54. Assertion (A): Assembly language is easier to remember than pure binary machine code.
Reason (R): It replaces binary 0s and 1s with readable mnemonic codes like ADD and SUB.

55. Assertion (A): Fifth generation languages involve artificial intelligence capabilities.
Reason (R): They aim to let computers solve problems visually and respond to human speech.

56. Assertion (A): Laptops are suitable for traveling students.
Reason (R): Laptops run on batteries and are portable microcomputers.

57. Assertion (A): High-level languages are hardware-dependent low-level languages.
Reason (R): Low-level languages depend on specific hardware structures.

58. Assertion (A): Digital computers process data in discrete binary values.
Reason (R): Digital computers perform calculations accurately using binary digits.

59. Assertion (A): Translators are unnecessary for assembly language.
Reason (R): Assembler translates mnemonic codes into machine language.

60. Assertion (A): Computer classification helps in choosing the right machine for specific needs.
Reason (R): Computers vary significantly in size, power, purpose, and cost.

Section C: Image & Visual Feature Based Questions (10 Marks)

61. Identify the computer category shown below:

💻 Portable Laptop / Tablet

This device belongs to which computer classification?

A) Microcomputer
B) Mainframe
C) Supercomputer
D) Analog Computer

62. Observe the code syntax snippet:
10100011 00000001 00000100
Which programming language is represented by this binary format?

A) Machine Language
B) Assembly Language
C) High-Level Language
D) HTML

63. Observe the code syntax snippet:
LDA 20, ADD 10, MOV R1
Which programming language utilizes these mnemonic codes?

A) Machine Language
B) Assembly Language
C) Java
D) Binary Code

64. Translation process visualization:
Assembly Language ➔ [ ? ] ➔ Machine Language
Which translator program fits in the bracket?

A) Compiler
B) Interpreter
C) Assembler
D) Text Editor

65. Translation process visualization:
High-Level Program ➔ [ Line-by-Line Translation ] ➔ Machine Code
Which translator program performs translation line-by-line?

A) Interpreter
B) Compiler
C) Assembler
D) Defragmenter

66. Translation process visualization:
High-Level Program ➔ [ Whole Program at Once ] ➔ Object Code
Which translator program translates the entire code at once?

A) Compiler
B) Interpreter
C) Assembler
D) CPU

67. Real-life Scenario Visual: Rashmi visits a bank and notices a cash dispenser machine that prints receipts and dispenses cash upon card insertion. What type of dedicated computer is this?

A) ATM (Special-Purpose Computer)
B) Supercomputer
C) Analog Speedometer
D) Laptop

68. Real-life Scenario Visual: Mohit wants to write a calculator app program that can run on Windows, Mac, and Android without rewriting machine code. Which language type should he use?

A) High-Level Language
B) Machine Language
C) Binary 0s and 1s
D) Mnemonic Assembly

69. Look at the dashboard meter visual below:

🧭 Dial Pointer Speedometer

This dial pointer gauge is an example of an:

A) Analog Computer
B) Digital Computer
C) Mainframe Computer
D) Supercomputer

70. Identify the Indian Supercomputer system logo/name: PARAM Brahma. What category does it belong to?

A) Supercomputer
B) Microcomputer
C) Embedded Computer
D) Analog Meter
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Chapter 1: Evolution of Computers (St Jude's High School class -5)

Chapter 1: Evolution of Computers

Section A: Multiple Choice Questions (30 Marks)

1. Which was the first mechanical calculating device invented in ancient China?

A) Pascaline
B) Abacus
C) Mark I
D) ENIAC

2. The upper section of an Abacus frame is known as:

A) Earth
B) Heaven
C) Sky
D) Crown

3. The lower section of an Abacus frame is known as:

A) Heaven
B) Floor
C) Earth
D) Base

4. John Napier invented a set of rectangular rods for calculating called:

A) Napier's Bones
B) Napier's Sticks
C) Pascaline
D) Tabulating Rods

5. Who is known as the 'Father of Computers'?

A) John Napier
B) Charles Babbage
C) Blaise Pascal
D) Herman Hollerith

6. Who is recognized as the First Computer Programmer in history?

A) Lady Augusta Ada Lovelace
B) John von Neumann
C) J. Presper Eckert
D) Ted Hoff

7. Herman Hollerith invented which calculating machine that used punched cards?

A) Analytical Engine
B) Tabulating Machine
C) Leibniz Calculator
D) Pascaline

8. The first automatic sequence controlled calculator developed in 1944 was:

A) ENIAC
B) UNIVAC I
C) Mark I
D) EDVAC

9. What was the core technology used in First Generation computers?

A) Transistors
B) Integrated Circuits
C) Vacuum Tubes
D) Microprocessors

10. Second generation computers used which component in place of vacuum tubes?

A) Integrated Circuits
B) Transistors
C) VLSI Microprocessors
D) Bio-chips

11. What was the main technology used in Third Generation computers?

A) Vacuum Tubes
B) Integrated Circuits (ICs)
C) Transistors
D) ULSI

12. Microprocessors (VLSI) are the base technology for which generation of computers?

A) First Generation
B) Second Generation
C) Third Generation
D) Fourth Generation

13. Fifth generation computers involve which advanced technology concept?

A) Machine Language
B) Artificial Intelligence (AI)
C) Vacuum Tubes
D) Punched Cards

14. Which was the world's first general-purpose electronic digital computer?

A) ENIAC
B) UNIVAC I
C) EDVAC
D) Abacus

15. Which computer was the first commercially available computer that handled numeric and text data?

A) ENIAC
B) UNIVAC I
C) Mark I
D) PDP-11

16. Who contributed to the concept of stored-program architecture used in EDVAC?

A) Charles Babbage
B) John von Neumann
C) Ted Hoff
D) John Napier

17. Who introduced the first microprocessor (Intel 4004) in 1971?

A) Ted Hoff
B) John Bardeen
C) Howard Aiken
D) Herman Hollerith

18. Which programming language was primarily used in First Generation computers?

A) Assembly Language
B) Machine Language
C) FORTRAN
D) PASCAL

19. High-level languages like FORTRAN and COBOL came into existence during which generation?

A) First Generation
B) Second Generation
C) Fourth Generation
D) Fifth Generation

20. Which technology uses a special headset to completely immerse users in a virtual environment?

A) Augmented Reality (AR)
B) Virtual Reality (VR)
C) Internet of Things (IoT)
D) Robotics

21. Adding digital elements to your real-world surroundings (like Pokémon GO) is known as:

A) Virtual Reality (VR)
B) Augmented Reality (AR)
C) Artificial Intelligence (AI)
D) Storage

22. Connecting everyday devices like light bulbs and thermostats to the internet is called:

A) Internet of Things (IoT)
B) Robotics
C) Virtual Reality (VR)
D) Diligence

23. The ability of a computer to perform continuous work without feeling tired or bored is called:

A) Versatility
B) Accuracy
C) Diligence
D) Speed

24. The computer characteristic that refers to doing different kinds of tasks in various fields is:

A) Versatility
B) Diligence
C) Storage
D) Reliability

25. Which device stores the maximum amount of data among standard storage devices?

A) CD
B) DVD
C) Hard Disk
D) Pen drive

26. Listening to music while typing a document at the same time shows which feature?

A) Multitasking
B) Diligence
C) Accuracy
D) Storage

27. Which of the following is a limitation of a computer system?

A) High speed
B) No feelings / emotions
C) Multitasking ability
D) High storage capacity

28. Blaise Pascal invented a calculating machine called Pascaline, which was a/an:

A) Adding Machine
B) Microprocessor
C) Electronic Computer
D) Transistor

29. IBM 360 and PDP-11 belong to which generation of computers?

A) First Generation
B) Second Generation
C) Third Generation
D) Fifth Generation

30. Siri and Alexa are real-world examples of which AI feature?

A) Virtual Assistants
B) Vacuum Tubes
C) Mechanical Calculators
D) Punched Tapes

Section B: Assertion & Reason Questions (30 Marks)

Directions: Choose the correct option for each question:

  • A: Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
  • B: Both Assertion (A) and Reason (R) are true, but Reason (R) is NOT the correct explanation of Assertion (A).
  • C: Assertion (A) is true, but Reason (R) is false.
  • D: Assertion (A) is false, but Reason (R) is true.

31. Assertion (A): The Abacus is considered the first mechanical counting device.
Reason (R): It consisted of a wooden frame with rods holding movable beads.

32. Assertion (A): First generation computers produced a huge amount of heat and burnt out frequently.
Reason (R): First generation computers were built using vacuum tubes.

33. Assertion (A): Second generation computers were smaller and consumed less power than first generation computers.
Reason (R): Transistors replaced bulky vacuum tubes in second generation computers.

34. Assertion (A): Charles Babbage is recognized as the Father of Computers.
Reason (R): He designed the Difference Engine and Analytical Engine.

35. Assertion (A): Computers can work continuously without getting tired.
Reason (R): Computers possess the characteristic quality of Diligence.

36. Assertion (A): Computers make emotional decisions based on human instincts.
Reason (R): Computers do not possess feelings or real human intelligence.

37. Assertion (A): Integrated Circuits (ICs) were used in Third Generation computers.
Reason (R): Integrated Circuits made computers smaller, faster, and more reliable.

38. Assertion (A): Fourth generation computers became affordable and portable.
Reason (R): Fourth generation computers started using Very Large Scale Integrated (VLSI) microprocessors.

39. Assertion (A): UNIVAC I was the first commercial computer capable of processing numeric and text data.
Reason (R): It was designed by J. Presper Eckert and John Mauchly in 1951.

40. Assertion (A): Fifth generation computers aim to understand natural human speech.
Reason (R): Fifth generation computers utilize Artificial Intelligence technology.

41. Assertion (A): Modern computers work without needing electricity or internet.
Reason (R): Dependency on power and network connectivity is a known limitation of smart devices.

42. Assertion (A): Lady Augusta Ada Lovelace is called the First Programmer.
Reason (R): She wrote instructions for Charles Babbage's Analytical Engine.

43. Assertion (A): Internet of Things (IoT) lets users remotely control home devices.
Reason (R): IoT connects everyday items like lights and thermostats to the internet.

44. Assertion (A): Third generation computers introduced key-boards and monitors.
Reason (R): Punched cards were replaced by interactive keyboards and monitors for input/output.

45. Assertion (A): EDVAC stored data and instructions in binary code inside memory.
Reason (R): John von Neumann introduced the stored-program architecture concept.

46. Assertion (A): ENIAC weighed 30 tons and was very large in physical size.
Reason (R): It contained 18,000 vacuum tubes and required 150 KW power.

47. Assertion (A): A computer always gives inaccurate results even if input data is correct.
Reason (R): Accuracy is a key characteristic of computer systems.

48. Assertion (A): Second generation computers used assembly language in place of machine language.
Reason (R): Assembly language allowed programmers to write instructions using symbolic codes.

49. Assertion (A): Virtual Reality (VR) overlays digital images onto your actual surroundings.
Reason (R): Augmented Reality (AR) adds digital elements to the real-world view.

50. Assertion (A): Computers can perform millions of complex mathematical calculations in seconds.
Reason (R): High processing speed is a fundamental characteristic of computers.

51. Assertion (A): Hard disk is an internal or external secondary storage device.
Reason (R): It can store the maximum amount of data among standard storage devices.

52. Assertion (A): Tabulating Machine processed information recorded on punched cards.
Reason (R): Herman Hollerith designed the Tabulating Machine for processing statistical data.

53. Assertion (A): Transistors were invented at Bell Labs in 1947.
Reason (R): John Bardeen, William Shockley, and Walter Brattain invented the transistor.

54. Assertion (A): Apple Macintosh and IBM PC are examples of Fourth Generation computers.
Reason (R): They utilize microprocessors as their central processing unit.

55. Assertion (A): Robots can perform complex tasks independently or under human guidance.
Reason (R): Robots are used in medical surgeries and household chores.

56. Assertion (A): AI allows computers to create music or draw pictures identical to human creativity.
Reason (R): AI relies on learned patterns rather than genuine life experiences.

57. Assertion (A): First generation computers used magnetic tapes for data storage.
Reason (R): First generation computers relied on cloud storage solutions.

58. Assertion (A): Versatility means a computer system can perform multiple types of jobs.
Reason (R): Computers are widely used in education, science, finance, and healthcare.

59. Assertion (A): Computers exhibit reliability because they perform consistently well.
Reason (R): Computer systems include provisions for immediate data backup in case of failure.

60. Assertion (A): The history of computers spans from manual counting tools to smart AI devices.
Reason (R): Each generation brought improvements in speed, size reduction, and efficiency.

Section C: Image & Visual Feature Based Questions (10 Marks)

61. Identify the early calculating device shown in the structure below:

[ Upper Deck: Heaven ]
-------------------------
[ Lower Deck: Earth ]

Which calculating device is divided into Heaven and Earth sections?

A) Pascaline
B) Abacus
C) Napier's Bones
D) Tabulating Machine

62. Observe the electronic component diagram representation below:

💡 Vacuum Tube

Which generation of computers utilized this electronic component as its primary circuitry?

A) First Generation
B) Second Generation
C) Third Generation
D) Fourth Generation

63. Identify the component shown below:

🔲 Transistor

Which generation replaced vacuum tubes with this smaller component?

A) First Generation
B) Second Generation
C) Third Generation
D) Fifth Generation

64. Observe the component diagram representation below:

⬛ Integrated Circuit (IC)

Integrated Circuits (ICs) were used as the primary hardware technology in:

A) First Generation
B) Second Generation
C) Third Generation
D) Fifth Generation

65. Look at the chip representation below:

🖥️ Microprocessor (VLSI)

Microprocessors were first introduced in which computer generation?

A) Second Generation
B) Third Generation
C) Fourth Generation
D) First Generation

66. Real-life Scenario Visual: Alice puts on a headset and finds herself exploring a virtual ocean environment with dolphins in 360 degrees. Which technology is she experiencing?

A) Augmented Reality (AR)
B) Virtual Reality (VR)
C) Internet of Things (IoT)
D) Transistor

67. Real-life Scenario Visual: Rohan points his mobile camera at his study table, and a virtual 3D animated character appears standing on his table. Which technology is Rohan using?

A) Virtual Reality (VR)
B) Augmented Reality (AR)
C) Vacuum Tubes
D) Abacus

68. Look at the Smart Home System Setup diagram below:

📲 Smartphone App ➔ 🌐 Internet ➔ 💡 Smart Light / 🌡️ Thermostat

What technology connects these everyday physical objects to the internet?

A) Internet of Things (IoT)
B) Integrated Circuits
C) Analytical Engine
D) Machine Language

69. Identify the historical calculating machine that utilized rectangular numbered rods as shown below:

🪵 Rectangular Rods with Numbers

This calculating tool invented in 1617 by John Napier is called:

A) Pascaline
B) Napier's Bones
C) ENIAC
D) Mark I

70. Look at the software interface feature: A user scans their face in front of a smartphone camera to unlock it. Which AI application is being demonstrated?

A) Facial Recognition
B) Vacuum Tube Processing
C) Punched Card Reading
D) Stored Architecture
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