Computer Science [class 9th]
Q1. Fill in the blanks: [5x2=10]
1. A table consists of…………….and columns.
a).Rows b)Files c).Data
2. The smallest unit of memory is………….
a) byte b) kilobyte c) bit
3. A commonly used storage device is……………..
a) Hard disc b) ROM c) RAM
4. Computer runs on………………….
a) water b) electricity c) gas
5. A…………..is a set rules..
a) Protocol b). Domain c) URL
Q2. Full Forms:- [10x1=10]
1. TCP/IP
2. HTML
3. DCL
4. WWW
5. DPI
6. HTTP
7. RAM
8. WORM
9. MODEM
10. IT
Q3. Short question and answer: [10x3=30]
1. What is computer?
2. What is a network?
3. What is motherboard?
4. What is output devices?
5. What is plagiarism?
6. What is linux?
7. What is TABLE?
8. What is RAM and ROM?
9. What is Internet and HUB?
10. What is security?
Q4. Long questions and answer: [7x5=35]
1. What is computer and explain in details?
2. What is CPU? Explain in details ?
3. What is the difference between primary and secondary memory?
4. What is header and footer?
5. Explain any two output devices?
6. What do you mean by word processor?
7. What do you understand by the information processing cycle?
Computer Science [class 11th]
Q1. State True or False: [10x1=10]
1. To delete history in internet explorer click on the delete history option in tools menu.
2. PNG stands for the Public network graphics.
3. You can align your text in any alignment.
4. A digital camera is a camera that store pictures on film.
5. A pixel is a single square on a computer.
6. Google is not a search engine.
7. A local area network connects distant computer.
8. A VCR is a general electronic device used for home entertainment.
9. Net banking is also known as internet banking.
10. You cannot change the background color of the page.
Q2. Very short question answer: [10x3=30]
1. Write the names of any four search engines?
2. What is web browsing? Explain.
3. What is microphone?
4. What do you mean by DDI and DCL?
5. What do you mean by cursor? Explain.
6. What do you mean by container and empty tag?
7. What is the role of the video editor? Explain.
8. Why online bill deposit is better than manual bill deposit? Explain.
9. What do you mean by sound editing?
10. What do you mean by Null value?
Q3. Long type question answer: [9x5=45]
1. What is the difference between LAN WAN MAN?
2. What is computer? Write its characterstics.
3. Explain the working of VCR?
4. What is the difference between RAM and ROM?
5. Write the difference between email and postal mail?
6. What do you mean by photoshop? Explain
7. What do you mean by net banking?
8. What are the difference between bitmap and vector images?
9. What do you mean by video editing?
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