Algorithm MCQs

1. What is the primary function of an Operating System?

a) To manage hardware resources b) To provide a user interface c) To execute user programs d) All of the above

2. What is the difference between Supervisor Mode and User Mode?

a) Supervisor Mode allows direct access to hardware, while User Mode does not. b) User Mode allows direct access to hardware, while Supervisor Mode does not. c) Both modes have the same level of access to hardware. d) Supervisor Mode is used for user applications, while User Mode is used for the OS.

3. What is Multiprogramming?

a) Running multiple programs simultaneously on a single CPU. b) Running multiple programs on multiple CPUs. c) Running a single program on multiple CPUs. d) Running a single program on a single CPU.

4. What is Multiprocessing?

a) Running multiple programs simultaneously on a single CPU. b) Running multiple programs on multiple CPUs. c) Running a single program on multiple CPUs. d) Running a single program on a single CPU.

5. Which of the following is a key function of an Operating System?

a) Memory Management b) Process Management c) File Management d) All of the above

6. What is the purpose of System Calls?

a) To provide an interface between user programs and the OS. b) To manage hardware resources directly. c) To execute user programs. d) To provide a graphical user interface.

7. Which of the following is an example of a System Call?

a) open() b) read() c) write() d) All of the above

8. What is the purpose of the OS structure?

a) To organize the OS into modules for better management. b) To provide a graphical user interface. c) To execute user programs. d) To manage hardware resources directly.

9. Which of the following is a type of OS structure?

a) Monolithic b) Layered c) Microkernel d) All of the above

10. What is the primary goal of the evolution of Operating Systems?

a) To improve efficiency and usability. b) To reduce hardware costs. c) To increase the size of the OS. d) To reduce the number of system calls.

11. Which of the following is a characteristic of a Monolithic OS structure?

a) All OS components are in a single address space. b) OS components are divided into layers. c) Only essential components are in the kernel. d) OS components are distributed across multiple machines.

12. Which of the following is a characteristic of a Microkernel OS structure?

a) All OS components are in a single address space. b) OS components are divided into layers. c) Only essential components are in the kernel. d) OS components are distributed across multiple machines.

13. What is the primary advantage of a Layered OS structure?

a) Simplicity and modularity b) High performance c) Direct hardware access d) Distributed processing

14. Which of the following is a key function of Process Management?

a) Scheduling processes b) Allocating memory to processes c) Managing process synchronization d) All of the above

15. Which of the following is a key function of Memory Management?

a) Allocating and deallocating memory b) Managing virtual memory c) Protecting memory from unauthorized access d) All of the above

Operating Systems MCQs

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