SS2 second Term computer science past questions and answers

SS2 second Term computer science past questions and answers

Questions for SS2 Computer Science:

Question: What is the purpose of the "else" statement in programming?

A) Looping

B) Decision-making

C) File management

D) Error handling

Answer: B

Question: Which of the following is not a valid programming language?

A) Python

B) HTML

C) Klingon

D) JavaScript

Answer: C

Question: What does the acronym URL stand for?

A) Uniform Resource Locator

B) Universal Rendering Language

C) Unified Record Locator

D) User Requested Link

Answer: A

Question: In object-oriented programming, what is encapsulation?

A) Breaking down code into small modules

B) Binding data and methods into a single unit

C) Managing memory allocation

D) Creating conditional statements

Answer: B

Question: What is the purpose of the "while" loop in programming?

A) Executing code only once

B) Repeating code as long as a condition is true

C) Making decisions

D) Handling errors

Answer: B

Question: Which of the following is a non-volatile storage device?

A) RAM

B) Hard disk drive (HDD)

C) SSD

D) Cache memory

Answer: B

Question: What is the role of a compiler in programming?

A) Executing code

B) Writing code

C) Converting high-level code to machine code

D) Debugging code

Answer: C

Question: Which sorting algorithm has a worst-case time complexity of O(n log n)?

A) Bubble Sort

B) Insertion Sort

C) Quick Sort

D) Selection Sort

Answer: C

Question: What is the purpose of a subnet mask in networking?

A) Identifying network devices

B) Hiding IP addresses

C) Dividing an IP address into network and host portions

D) Encrypting data transmission

Answer: C

Question: Which of the following is an example of a third-generation programming language?

A) Assembly language

B) Fortran

C) Machine language

D) Binary code

Answer: B

Question: What is the significance of the HTTP status code 404?

A) Successful request

B) Unauthorized access

C) Page not found

D) Internal server error

Answer: C

Question: Which type of join in SQL returns all rows when there is a match in one of the tables?

A) INNER JOIN

B) LEFT JOIN

C) RIGHT JOIN

D) FULL OUTER JOIN

Answer: D

Question: What is the purpose of an index in a database?

A) Sorting data

B) Accelerating data retrieval

C) Creating tables

D) Encrypting data

Answer: B

Question: What is the primary purpose of a router in a network?

A) Connecting devices within the same network

B) Blocking unauthorized access

C) Forwarding data between different networks

D) Managing IP addresses

Answer: C

Question: Which programming language is often used for artificial intelligence and machine learning?

A) Java

B) Python

C) C#

D) Ruby

Answer: B

Question: What is the purpose of the "try...catch" block in programming?

A) Looping

B) Decision-making

C) Error handling

D) File management

Answer: C

Question: Which of the following is a disadvantage of cloud computing?

A) Increased security

B) Limited scalability

C) High upfront costs

D) Localized access

Answer: C

Question: What is the function of a DHCP server in a network?

A) Assigning IP addresses dynamically

B) Blocking malicious websites

C) Managing domain names

D) Filtering spam emails

Answer: A

Question: What is the purpose of the "break" statement in programming?

A) Loop termination

B) Decision-making

C) Error handling

D) File management

Answer: A

Question: Which type of software provides an interface for users to interact with the computer system?

A) Operating system

B) Compiler

C) Database management system

D) Device driver

Answer: A