Applications of Computers Class 7 MCQs
Applications of Computers – MCQs with Answers & Explanations
Class: CBSE Class 7
Subject: Computer Science
Section: Computer Fundamentals
Topic: Applications of Computers
Board: CBSE (Based on NCERT Syllabus)
Subject: Computer Science
Section: Computer Fundamentals
Topic: Applications of Computers
Board: CBSE (Based on NCERT Syllabus)
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 7 Computer Science examination standard.
1. Computers are widely used in schools mainly for:
Answer: B. Teaching and learning
Explanation: Computers help teachers prepare lessons, presentations, question papers, and enable students to learn through educational software and smart classes.
Explanation: Computers help teachers prepare lessons, presentations, question papers, and enable students to learn through educational software and smart classes.
2. Computers are used in hospitals to:
Answer: B. Maintain patient records
Explanation: Hospitals use computers to store patient history, test reports, prescriptions, and billing information efficiently.
Explanation: Hospitals use computers to store patient history, test reports, prescriptions, and billing information efficiently.
3. Which application of computers is used for withdrawing money?
Answer: A. ATM
Explanation: Automated Teller Machines (ATMs) are computer-based machines that allow banking transactions like cash withdrawal and balance enquiry.
Explanation: Automated Teller Machines (ATMs) are computer-based machines that allow banking transactions like cash withdrawal and balance enquiry.
4. Computers help in weather forecasting by:
Answer: B. Analyzing data
Explanation: Computers analyze satellite data, temperature, and pressure patterns to predict weather conditions.
Explanation: Computers analyze satellite data, temperature, and pressure patterns to predict weather conditions.
5. In banks, computers are used to:
Answer: A. Store accounts data
Explanation: Banks use computers to maintain customer accounts, transactions, loans, and online banking services.
Explanation: Banks use computers to maintain customer accounts, transactions, loans, and online banking services.
6. Computers are used in railways for:
Answer: B. Ticket reservation
Explanation: Railway reservation systems use computers to book, cancel, and manage tickets quickly.
Explanation: Railway reservation systems use computers to book, cancel, and manage tickets quickly.
7. Which field uses computers for designing buildings?
Answer: C. Architecture
Explanation: Architects use CAD (Computer Aided Design) software to create building plans and 3D models.
Explanation: Architects use CAD (Computer Aided Design) software to create building plans and 3D models.
8. Computers in entertainment are used for:
Answer: A. Movies and games
Explanation: Computers are used to create animations, music, films, and video games.
Explanation: Computers are used to create animations, music, films, and video games.
9. Computers help scientists in:
Answer: A. Research
Explanation: Scientists use computers for simulations, calculations, and data analysis.
Explanation: Scientists use computers for simulations, calculations, and data analysis.
10. Which sector uses computers for online shopping?
Answer: A. E-commerce
Explanation: E-commerce platforms allow buying and selling goods through computers and the internet.
Explanation: E-commerce platforms allow buying and selling goods through computers and the internet.
11. Computers are used in agriculture for:
Answer: A
Used for crop planning, irrigation control, and weather analysis.
Used for crop planning, irrigation control, and weather analysis.
12. In offices computers help in:
Answer: A
Used for letters, reports, emails, and record keeping.
Used for letters, reports, emails, and record keeping.
13. Computers in defense are used for:
Answer: A
They control radar, missiles, and surveillance systems.
They control radar, missiles, and surveillance systems.
14. Desktop publishing is used for:
Answer: A
DTP software designs magazines, newspapers, brochures.
DTP software designs magazines, newspapers, brochures.
15. Computers in communication are used for:
Answer: A
Enable instant global communication via internet.
Enable instant global communication via internet.
16. Which field uses computers for medical imaging?
Answer: A
CT scans, MRIs, and X-rays are computer processed.
CT scans, MRIs, and X-rays are computer processed.
17. Computers help libraries to:
Answer: A
They catalog, issue, and track books digitally.
They catalog, issue, and track books digitally.
18. Online classes are an application in:
Answer: A
Computers enable virtual classrooms and e-learning.
Computers enable virtual classrooms and e-learning.
19. Computers in shops are used for:
Answer: A
They generate bills and manage inventory.
They generate bills and manage inventory.
20. The main advantage of computers in every field is:
Answer: A
Computers perform tasks quickly, accurately, and store large data.
Computers perform tasks quickly, accurately, and store large data.