System Programming Quiz

What is the main purpose of system programming?

• To develop application software

• To interact directly with hardware and system resources

• To design websites

• To create databases

Which component of hardware is responsible for executing instructions in a computer system?

• Memory

• Hard Disk

• CPU

• I/O Devices

What is a system call in operating systems?

• A call to the CPU for executing user programs

• An interface provided by the OS to allow user applications to request services from the kernel

• A hardware interrupt

• A function call in high-level programming languages

What is the primary function of memory in a computer system?

• Performing calculations

• Storing data and instructions temporarily

• Managing input/output devices

• Handling network operations

What is the main function of an operating system?

• Running hardware diagnostics

• Managing hardware and software resources of the system

• Designing user interfaces

• Providing internet access

What is the difference between kernel mode and user mode in an OS?

• Kernel mode has restricted access to system resources, user mode has full access

• Kernel mode is for user programs, user mode is for the OS

• Kernel mode has full access to system resources, user mode has restricted access

• Both modes have the same access level

Which OS structure uses modules to provide flexibility and maintainability?

• Monolithic OS

• Layered OS

• Microkernel OS

• Virtual OS

What is an interrupt in an operating system?

• A process that runs in the background

• A signal from hardware or software indicating an event that needs immediate attention

• A function call to the OS

• A system library function

Which of the following is an example of an exception in an OS?

• Keyboard input

• Division by zero

• Printing a document

• Network packet arrival

Which part of the operating system is directly responsible for managing hardware?

• Shell

• Kernel

• Application software

• GUI