Computer Science 9th Class Guess Paper

• Very Important Multiple Choice Questions of full book Computer in Urdu and English Medium class 9 from previous 20 years past papers of all Punjab Boards.
• Important Short and Long Questions of Computer in Urdu and English Medium class 9 from previous 20 years past papers of all Punjab Boards.
• Draw the flowchart for the following problem: Input two numbers n1 and n2. Determine whether n1 divides n2 or not.
• Draw the flowchart for the following problem: Input a year and determine whether it is a leap year or not.
• Draw the flowchart for the following problem: Input a number and calculate its factorial.
• Differentiate between point-to-point and multipoint connection.
• What is application sharing? Answer with the help of an example.
• What is the advantages and disadvantages of star topology over bus topology?
• In a client server model, is client software or hardware? Give reasons to support your answer.
• Write the names of computers network models layers.
• Write a short note on computer network models.
• What is meant by TCP/IP protocol?
• Define an algorithm and argue on its role and importance in problem solving.
• Explain the types of test data.
• What is network topology? Describe bus, star, ring and mesh topologies.
• What is meant by encryption? Also write importance of encryption for everyday life on the internet.
• Write two substitution cipher methods and also give an example.
• Write a note on the advantages and disadvantages for substitution cipher methods
• Elaborate relationship between cryptographic keys and passwords. Also write characteristics of a good password.
• Differentiate between ordered and unordered list.
• Describe the basic text formatting tags.
• What is difference between hyperlink and anchor?
• Create a basic table with following attributes:    "colspan”, “rowspan"
• Explain the steps involved to create a HTML page.
• What is meant by number system?
• What numerical system do we use in our daily lives?
• What do you know about decimal system?
• What is meant by binary system and write its base.
• Write the base of decimal system and binary system.
• Which system is used to store data in digital computers?
• Write the binary and decimal value of the letter A.
• What is meant by hexadecimal system and also write its base.
• Write the value of A, B, C, D, E, F in hexadecimal system.
• What do you know about number system conversion?
• Write the method for convert’s decimal number into binary number.
• Convert the following into binary.    15610
• What do you know about computer memory?
• What do you know about volatile memory?
• Write a short note on non-volatile memory.
• Differentiate between volatile and non-volatile memory.
• What is meant by ASCII codes?
• Write the abbreviation of ASCII.
• What do you know about De-facto standard?
• What is meant by storage device and also write its two examples.
• Differentiate between memory and storage.
• What is meant by bit and how much data is stored in it?
• How many bytes are there in one kilobyte and one megabyte?
• What is meant by preposition?
• What do you know about truth values?
• What is meant by compound preposition?
• Write a short note on AND operator.
• What do you know about OR operator?
• What is meant by NOT operator and also write its example.
• Write a short note on truth table.
• Make a truth table for AND operator.
• What is meant by Boolean expression?