28/05/2022
*LOOH-O-QALAM ACADEMY KAMALIA*
(RANA ALI AWAIS)
*0343-0900492*
IN SHA ALLAH 100% Guess
Computer Science Class 9th (Imp SQS & LQs For Board Exams)
Chapter #1
Short Questions
1. Which five questions are necessary to understand a problem? 2. What is prototype? *
3. What is meant by candid solution?
4. What is the purpose of using terminal and connecter symbol in a flowchart? *
5. Write two strategies for planning a solution. 6. Write the importance of flowchart in problem solving. *
7. What is the problem analysis?
8. Write the basis of two metrics for efficiency of algorithm.
9. Define flowchart.
11. Draw flowchart to find the area of parallelogram. UNDATION
10. Describe the role of algorithm in problem solving.
12. What is meant by defining a problem?
13.varification and validation
14.valid and invalid test data
15.trace table
13. Describe the use of GOTO notation in a flowchart.
14.Divide and conquer
Long Questions:
1. What is flowchart? How do you determine the requirements for a flowchart? Write in detail. **
2. Explain any four symbols of flowchart in detail.
3.advantages and disadvantages of flowchard and algorithim
Chapter #2
Short Questions:
1. How to convert binary number to a decimal number? Explain with an example.
2. Define memory and write the names of its types. 3. What is proposition? Explain with an example.
4. What is meant by decimal number system?
5. What is meant by number system? 6. What is meant by volatile memory?
7. (11000001)2 convert into Hexadecimal.
8. What is meant by hexadecimal number system?
9. What is OR operator in Boolean algebra? 11. What is meant by binary number system? *
10. What is the difference between bit and byte?
11. Write down differences between volatile memory and non-volatile memory.
12. Write down the truth table of OR operator
CHAPTER #3
Short Questions:
1. What is meant by networks of network? Give one example. 2. What is meant by message in Data Communication?
3. Write a note on FTP. *
4. What is protocol? **
5. Define computer network.
6. Describe the purpose of physical layer. 7. What is HTTP protocol?
8. What is meant by IP addresses?
9. What is the purpose of datalink layer?
10. Define control information.
11. What is the advantage of hardware sharing in a network?12. Differentiate between sender & receiver.
Long Questions:
1. Define computer network model. Explain its any three layer.
2. Explain routing process in detail. 3. What is meant by router? Write down in detail.
4. Explain any four types of network model layers.
CHAPTER #4
Short Questions:
1. What is counterfeiting? **
2. What is meant by hard disk loading? *
3. What is meant by hacking?
4. What is meant by piracy?
5. What is meant by sabotage?
6.confidational
7.Dos
8.Characteristics of good pasword
9.softlifting
10.ceaser cipher and vigenere cipher?
11.cipher text and key?
Long
1. What is cybercrime? Explain its types. FOUNDATION, 2. What is meant by encryption? Also explain the importance of encryption for everyday life on
Internet.
3. Write down note on piracy and copyright.
CHAPTER #5
Short Questions:
1. What is meant by markup language?**
2. Write the name of tag types used in HTML document? 3. What is hyperlink? *
4. What is meant by head and body section?
5. What are the unorder and nested lists?
6. Write the tag for line break.
8. How to write headings and sub-headings in HTML?
10. Define anchor and hypertext in HTML.
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