Computer MCQs class 9th.

                                           Computer MCQs

                                  Chapter#3

Sure, here are some multiple-choice questions (MCQs) for Class 9th Computer Science, Chapter 3, along with their answers:

1. What is the primary function of the CPU in a computer system? A. Input processing
B. Output processing
C. Data storage
D. Information retrieval

Answer: A. Input processing

2. Which of the following is a secondary storage device? A. RAM
B. Hard Disk Drive
C. CPU
D. Cache Memory

Answer: B. Hard Disk Drive

3. What does the acronym 'RAM' stand for in the context of computers? A. Read-Only Memory
B. Random Access Memory
C. Real-Time Automation Module
D. Remote Access Module

Answer: B. Random Access Memory

4. Which of the following is an example of an input device? A. Printer
B. Monitor
C. Keyboard
D. Speaker

Answer: C. Keyboard

5. What is the purpose of an operating system in a computer? A. To perform calculations
B. To manage hardware and software resources
C. To store data permanently
D. To connect to the internet

Answer: B. To manage hardware and software resources

6. What does the term 'GUI' stand for in computing? A. General User Interface
B. Graphical User Interface
C. Graphics Unit Interface
D. General Unifying Interface

Answer: B. Graphical User Interface

7. Which programming language is known for its simplicity and readability? A. C++
B. Python
C. Java
D. Ruby

Answer: B. Python

8. What is the function of a compiler in programming? A. Executes the program
B. Translates the program into machine code
C. Debugs the program
D. Manages memory allocation

Answer: B. Translates the program into machine code

9. Which of the following is an example of a high-level programming language? A. Assembly language
B. Machine language
C. BASIC
D. Binary code

Answer: C. BASIC

10. What is the purpose of the 'IF' statement in programming? A. Looping
B. Decision-making
C. Variable declaration
D. Function definition

Answer: B. Decision-making

Please note that these questions are intended for educational purposes, and the answers provided here are based on general knowledge.