1.2.1 Systems Software

What is the main purpose of an operating system?

• To manage hardware and software resources

• To compile code

• To create software

• To connect to the internet

What technique is used to divide memory into fixed-size blocks?

• Paging

• Segmentation

• Virtual Memory

• Caching

What is the role of an Interrupt Service Routine (ISR)?

• To handle interrupts

• To manage memory allocation

• To compile high-level code

• To start the BIOS

Which memory management technique uses logical divisions based on the program's structure?

• Segmentation

• Paging

• Virtual Memory

• Swapping

What is virtual memory?

• Using disk space to simulate RAM

• Using cache as RAM

• Using ROM as RAM

• Using GPU memory as RAM

When does an interrupt occur?

• When a program needs immediate attention

• Only during startup

• After every clock cycle

• During shutdown

Which scheduling algorithm gives each process a fixed time in order?

• Round robin

• Shortest job first

• Multi-level feedback queues

• First come first served

Which scheduling method prioritizes shorter tasks?

• Shortest job first

• First come first served

• Round robin

• Multitasking

What is a characteristic of a real-time operating system?

• Responds immediately to input

• Handles multiple users

• Works only on mobile devices

• Uses virtual machines

Which operating system type runs different programs for different users simultaneously?

• Multi-user

• Embedded

• Real-time

• Single-user