Operating Systems Exam 2

Which of the following is a key function of an operating system?

• Managing hardware resources

• Writing user applications

• Compiling source code

• Designing network protocols

Which of the following is NOT a type of operating system?

• Batch Operating System

• Real-Time Operating System

• Cloud Operating System

• Machine Learning Operating System

What is the primary purpose of system calls in an OS?

• To allow direct user access to hardware

• To enable user applications to request services from the OS

• To execute background tasks in parallel

• To create user interfaces

The kernel is:

• The graphical interface of the operating system

• The core part of the operating system managing resources

• The software layer that runs user applications

• The part of the system responsible for rendering graphics

Which of the following is an example of a single-user, multitasking operating system?

• MS-DOS

• Windows

• IBM OS/360

• Linux Server

A process is defined as:

• A program in execution

• A static file stored on disk

• A sequence of system calls

• A memory segment in RAM

Which of the following is NOT a process state?

• Ready

• Suspended

• Blocked

• Downloading

What is the main purpose of context switching?

• To prevent deadlocks

• To allocate more CPU time to I/O-bound processes

• To save the state of a process and load another one

• To free up memory space

In a multitasking environment, a process that is currently executing on the CPU is in which state?

• Running

• Ready

• Waiting

• Terminated

What information is stored in a Process Control Block (PCB)?

• The process ID, registers, and scheduling information

• The entire program code

• Only the process ID and memory usage

• The process's priority only