COMPUTER CLASS 4 LESSON GENERATION OF COMPUTER

LESSON 1: GENERATION OF COMPUTERS Q.1) Multiple Choice Question. 1. Which generation of computers used vacuum tubes? a) First Generation b) Second Generation c) Third Generation d) Fourth Generation Answer: a) First Generation 2. Transistors were used in the ______ generation. a) First b) Second c) Third d) Fifth Answer: b) Second 3. Which generation introduced Integrated Circuits (ICs)? a) First b) Second c) Third d) Fourth Answer: c) Third 4. Microprocessors are used in which generation? a) First b) Second c) Fourth d) Fifth Answer: c) Fourth 5. Artificial Intelligence is mainly associated with the ______ generation. a) First b) Third c) Fourth d) Fifth Answer: d) Fifth

6. A desktop computer is an example of: a) Supercomputer b) Personal Computer c) Mainframe Computer d) Mini Computer Answer: b) Personal Computer 7. Which computer is the fastest? a) Laptop b) Desktop c) Supercomputer d) Tablet Answer: c) Supercomputer 8. A laptop is a: a) Portable computer b) Supercomputer c) Mainframe d) Analog computer Answer: a) Portable computer 9. A smartphone is an example of: a) Mobile computer b) Mainframe c) Supercomputer d) Analog computer Answer: a) Mobile computer 10. Which computer is used in weather forecasting? a) Laptop b) Desktop c) Supercomputer d) Tablet Answer: c) Supercomputer

Q.2)Fill in the Blanks. 1. The first generation computers used Vacuum Tubes. 2. The second generation computers used Transistors. 3. The fourth generation computers use Microprocessors. 4. A Supercomputer is used for weather forecasting. 5. A Laptop is a portable computer. 6. Laptop computers are carried easily from one place to another. 7. The Fifth Generation is based on Artificial Intelligence. 8. A Mainframe computer is used in banks and large organizations. Q.3) Match the Following Column A Column B 1. First Generation (b) a. Microprocessor 2. Second Generation (d) b. Vacuum Tubes 3. Third Generation (c) c. Integrated Circuits 4. Fourth Generation (a) d. Transistors 5. Supercomputer (e) e. Fastest Computer Q.4)Short Answer Questions Q1. What is a computer generation? Answer:A computer generation is a stage in the development of computers based on the technology used. Q2. Name the technology used in the First and Second Generation computers. Answer:First Generation – Vacuum Tubes  Second Generation – Transistors Q3. What is a Supercomputer? Answer:A supercomputer is the fastest and most powerful computer used for weather forecasting, scientific research, and space exploration. Q4. What is a Personal Computer (PC)? Answer:A Personal Computer is a computer designed for one person to perform daily tasks such as typing, drawing, studying, and playing games.

Q5. Name any two portable computers. Answer: Laptop ,Tablet Q.5) Long Answer Questions Q1. Explain the classification of computers. Answer:Computers are classified into the following types: 1. Supercomputer – The fastest computer used for weather forecasting and scientific research. 2. Mainframe Computer – Used in banks, railways, and large organizations. 3. Minicomputer – Used in schools, offices, and small businesses. 4. Personal Computer (PC) – Used by one person at home, school, or office. Examples: Desktop and Laptop. Q2. Explain the five generations of computers in brief. Answer: Five Generations  First – Vacuum Tubes  Second – Transistors  Third – Integrated Circuits (ICs)  Fourth – Microprocessors  Fifth – Artificial Intelligence (AI) Q3. Name any two types of computers. Answer: Desktop, Laptop, Supercomputer, Mainframe, Tablet. Q4. Write any two uses of a supercomputer. Answer: Weather forecasting, space research, scientific calculations, medical research. Q5. What is the difference between a desktop computer and a laptop? Answer: Desktop stays at one place; laptop is portable and runs on a battery. Q6. Why are Fifth Generation computers called intelligent computers? Answer: Because they use Artificial Intelligence (AI) and can perform intelligent tasks.

Q.6)Write True (T) or False (F) for each statement. 1. The First Generation of computers used vacuum tubes. TRUE 2. The Second Generation of computers used transistors. TRUE 3. The Third Generation of computers used microprocessors. FALSE 4. The Fourth Generation of computers uses microprocessors. TRUE 5. The Fifth Generation of computers is based on Artificial Intelligence (AI). TRUE 6. A laptop is a portable computer. TRUE 7. A supercomputer is slower than a desktop computer. FALSE 8. Mainframe computers are commonly used in banks and large organizations. TRUE 9. A desktop computer can be easily carried in a school bag. FALSE 10. Tablets and smartphones are examples of microcomputers.TRUE