Which of the following is the primary role of an operating system?

• System maintenance
• Internet browsing
• Bridging the gap between user and hardware
• Software installation

What is the main function of the ALU (Arithmetic Logic Unit)?

• Execute operating system commands
• Perform arithmetic and logical operations
• Control system performance
• Allocate memory space

Which of the following is considered non-volatile storage?

• RAM
• Cache
• CPU Registers
• Hard Disk

Which process state is described as the process waiting for some event to occur?

• Running
• Blocked
• Ready
• Terminated

In the context of an OS, what is "Thrashing"?

• Rapid switching between tasks
• High utilization of the CPU
• Excessive paging between main memory and disk
• Disk cleanup process

Which component provides an interface between users and the operating system?

• Kernel
• Shell
• File System
• RAM

What is a multi-threaded process?

• A process that's replicated multiple times
• A process divided into smaller child processes
• A process that has multiple paths of execution
• A process that runs on multiple CPUs

The mechanism of allowing multiple tasks to run simultaneously on a single processor is known as:

• Multi-threading
• Multiprocessing
• Multitasking
• Multi-allocation

What is the primary purpose of the OS's scheduler?

• Memory allocation
• Disk management
• Prioritizing process execution
• Handling user input

What is the function of the paging system in an OS?

• It increases the processing speed of the CPU.
• It manages the user interface components.
• It breaks physical memory into fixed-size blocks.
• It converts high-level language into machine code.