BISE Gujranwala 9th Class Computer Science Subjective Group 2 Past Papers 2023 Pakistan

COMPUTER SCIENCE (New Course)

Time: 1:45 Hours

Paper I – Marks: 40

Group-II

Note: Section I is compulsory. Attempt any TWO (2) questions from Section II.

Section II

SUBJECTIVE

Question #2

Write short answers to any FOUR (4) questions.

i. Define traceable.

ii. Write two disadvantages of the flow chart.

iii. Explain a candid solution.

iv. What is the act it out?

v. Describe the Web Page.

vi. What is meant by hyper text.

Question #3

Write short answers to any FOUR (4) questions.

i. What is meant by the Number System?

ii. Convert (69610)₁₀ into Hexadecimal.

iii. Define Memory.

iv. How many bits are there in a byte?

v. Explain the cyphertext.

vi. Why is security necessary for data? Describe it.

Question #4

Write short answers to any FOUR (4) questions.

i. Define file sharing in your own words.

ii. What is hypertext transfer protocol?

iii. What is the use of a communication system?

iv. Explain the concept of network topology.

v. Differentiate between hypertext and markup language.

vi. Why is the border attribute added to an image?

Section II

Question #5 Explain the formulation of an Algorithm.

Question #6 Explain any four components of the Communication System.

Question #6 Describe the Importance of encryption in everyday life on the Internet.