Operating System Quiz - CO1

Which of the following is the core of the operating system that manages system resources?

• Kernel

• Shell

• Hardware

• Application Program

What is the primary purpose of an operating system?

• To manage computer hardware and software resources

• To provide security for the computer

• To edit documents

• To execute system calls

In a layered operating system, which layer directly interacts with the hardware?

• Application layer

• Hardware abstraction layer

• Kernel layer

• User interface layer

What is the purpose of system calls in an operating system?

• To allow user programs to request services from the operating system

• To compile programs

• To create graphical user interfaces

• To store data

Which of the following is NOT typically considered part of operating-system services?

• Program execution

• User interface design

• I/O operations

• File system manipulation

Which of the following data structures is essential for maintaining system security in an operating system?

• Linked lists

• Queues

• Process control blocks (PCBs)

• Binary trees

Which computing environment is specifically designed for high-performance and scientific computing?

• Cloud computing

• Distributed computing

• Mainframe computing

• Supercomputing

Which of the following is a characteristic of open-source operating systems?

• Source code is closed to public access

• Only available for purchase

• Source code is available for modification and redistribution

• Developed only by major companies

What is the primary function of protection and security features in an operating system?

• To speed up processing

• To prevent unauthorized access to system resources

• To create a user-friendly interface

• To maximize storage capacity