Class 9th Computer Science Important Questions For All Punjab Boards

 

Class 9th Computer Science Important Questions For All Punjab Boards

Computer Science Class 9

 Chapter 1

• Write down the names of the steps which are needed to solve a problem systematically how can we solve a problem?

• What is meant by problem?

• How understanding a problem strategy/step is helpful in the problem solving?

What strategies are help in planning a solution?

• Define a Candid solution?

• Define flowchart/what is importance of flowcharts in problem solving?

• What requirements are to know about flowchart?

• Which with symbol is used for decision making in flowchart? Define algorithm/what is the role

of Algorithm in problem solving

• How can we measure the efficiency of algorithm?

• What is trace table?

• Write advantages and disadvantages of a flowchart?

• Write difference between verification and validation?

Chapter 2

What is number system?

• What is decimal and binary number system?

Convert 156(decimal) in to binary?

• Convert A23 hexadecimal to binary (All Convert Questions)?

• Define memory and storage with examples?

• What is volatile memory (RAM) and non volatile memory (ROM)?

• Difference between bite and byte?

• Define Boolean e preposition?

• What are truth values? Give an example?

• What is compound preposition?

• What are logical operators?

• What is OR operator?

• Make the truth table of AND, OR, NOT operator?

What are logical expressions?

• Make a truth table of NOT (P) and Q?

• What is commutative law of Boolean algebra?

• What is distributive law of Boolean algebra?

• What is identity law of Boolean algebra?

• What is ASCII?

• What is meant by plug and play devices?

Chapter 3

• Define computer network?

• What is meant by file sharing in computer networking?

• What is hardware sharing?

• What is application sharing in computer networking?

• What is TCP/IP?

What is the role of physical layer?

• What is FTP and HTTP?

• What is SMTP?

• What is router? Write the function of router?

• Define communication channel?

• What is difference between point to point and multipoint connections?

• Define internet and URL?

• What is video conferencing?

Write the advantages and disadvantages of star topology?

• What is the role of sender and receiver in data communication?

• What is meant by message in data communication?

• Define protocol?

• What is transmission medium?

• Write down the names of layers of TCP/IP?

• What is TCP/IP?

Chapter 4

What is data privacy?

What is a piracy and software piracy?

What is softlifting?

What is hard disc loading?

What is Counterfeiting?

• What is online piracy?

• What do you mean by fraud and misuse?

• What is Phishing? Write any two characteristics of phishing E-mail?

• How copy right law is different to patent?

. What are trade secrets?

What is sabotage?

• Write characteristics of a good password?

What is hacking?

• Difference between integrity and confidentiality?

• Why is security necessary for data? Describe it?

Chapter 5

• Difference between paired tags and singular tags?

• What is meant by hypertext and hyperlink?

• Difference between Head section and Body section?

• What is the use of HTML?

• How can you write a paragraph in HTML?

• Define an anchor?

• How can you create a graphical hyperlink?

• What are attributes/characteristics in HTML tags?

• What is markup language?

• How can you add heading/sub-heading in HTML page?

• How can we identifying the tags used to markup HTML Elements?

• Define web page.Creat a hyperlink to a web page?

• Difference between ordered and unordered pair?

• Define Rowspan and colpsen?

• How the table is created in HTML?