SS1 first term computer science past questions and answers

SS1 first term computer science past questions and answers

Here are 20 multiple-choice questions for SS1 computer science:

Question: What is the primary function of the CPU in a computer system?

A. Input

B. Processing

C. Output

D. Storage

Answer: B. Processing

Question: Which programming language is known for its portability and being widely used in system programming?

A. Java

B. Python

C. C

D. JavaScript

Answer: C. C

Question: What is the purpose of an operating system?

A. Manage hardware resources

B. Create documents

C. Play games

D. Browse the internet

Answer: A. Manage hardware resources

Question: Which of the following is a volatile memory type?

A. Hard disk

B. RAM

C. ROM

D. Flash drive

Answer: B. RAM

Question: What does HTML stand for in the context of web development?

A. HyperText Markup Language

B. High-level Text Manipulation Language

C. Hyperlink and Text Markup Language

D. Home Tool Markup Language

Answer: A. HyperText Markup Language

Question: In binary code, what does each digit represent?

A. Octal

B. Byte

C. Bit

D. Hexadecimal

Answer: C. Bit

Question: Which of the following is an example of a high-level programming language?

A. Assembly language

B. Machine language

C. Python

D. Binary code

Answer: C. Python

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

A. Execute code

B. Translate source code to machine code

C. Debug code

D. Write code

Answer: B. Translate source code to machine code

Question: Which data structure follows the Last In, First Out (LIFO) principle?

A. Queue

B. Stack

C. Linked list

D. Tree

Answer: B. Stack

Question: What is the purpose of an IF statement in programming?

A. Looping

B. Decision-making

C. Variable declaration

D. Input/output operations

Answer: B. Decision-making

Question: Which of the following is a network protocol used for transferring files?

A. HTTP

B. FTP

C. SMTP

D. TCP

Answer: B. FTP

Question: What is the role of a modem in networking?

A. Modulate and demodulate signals

B. Encrypt data

C. Manage network traffic

D. Connect to the internet

Answer: A. Modulate and demodulate signals

Question: Which programming construct is used for repetitive execution of a set of statements?

A. If-else statement

B. Loop

C. Switch statement

D. Function

Answer: B. Loop

Question: What does SQL stand for in the context of databases?

A. Structured Query Language

B. Simple Query Language

C. Sequential Query Language

D. Scripted Query Language

Answer: A. Structured Query Language

Question: What is the purpose of a firewall in network security?

A. Block unauthorized access

B. Speed up internet connection

C. Encrypt data

D. Manage emails

Answer: A. Block unauthorized access

Question: Which of the following is a characteristic of object-oriented programming (OOP)?

A. Procedural programming

B. Encapsulation

C. Assembly language

D. Binary code

Answer: B. Encapsulation

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

A. Connect devices within a local network

B. Filter and forward data packets between networks

C. Convert digital signals to analog signals

D. Provide electrical power to devices

Answer: B. Filter and forward data packets between networks

Question: Which of the following is an example of a secondary storage device?

A. RAM

B. Hard disk drive

C. Cache memory

D. CPU

Answer: B. Hard disk drive

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

A. Sort data alphabetically

B. Speed up data retrieval

C. Encrypt data

D. Create backups

Answer: B. Speed up data retrieval

Question: Which of the following is a basic component of a computer network?

A. Monitor

B. Keyboard

C. Router

D. Printer

Answer: C. Router