OS: Process Management

OS: Process Management

How the OS achieves multi-tasking

Multiple Choice

This lesson is about how the OS manages ___________

• processes

• users

• files

• memory

• peripherals

Fill in the Blanks

A program that is running in the computer's memory and occupying CPU time is called a

Multiple Choice

Multi-tasking is when .....

• Several processes appear to be running simultaneously

• a computer is able to run different types of programs

• a computer fonished one task then start another one

Fill in the Blanks

How many instructions can a processor core process at any one time?

Multiple Choice

What do we call the processes running in your computer that were NOT launched as applications by the user?

• foreground processes

• background processes

• redundant processes

• OS processes

Multiple Select

Which of these are possible scheduling strategies that a processor might use?

• Round-robin

• First-in-first-out

• Shortest job first

• Last-in-first-out

Multiple Choice

Which scheduling strategy is this a description of?

"The process which is closest to being completed is chosen first"

• Round-robin

• FIFO

• Shortest job first

Multiple Choice

Which scheduling strategy is this a description of?

"Processes are put in a queue and the one that has been waiting the longest gets CPU time first"

• Round-robin

• FIFO

• Shortest job first

Multiple Choice

Which scheduling strategy is this a description of?

"running processes each receive access to the CPU for very short equal time-slices"

• Round-robin

• FIFI

• Shortest job first

Multiple Choice

The process of swapping the allocated memory for running processes out to secondary storage when not required and then swapping it back in again when needed is called ___________

• paging

• virtualising

Multiple Select

What computer resources does a running process need access to?

• CPU

• Secondary storage

• RAM

• Cache

Fill in the Blanks

Blocks of memory addresses that are assigned to running processes are called

Multiple Choice

Space allocated on a computer's secondary storage device which acts as extra memory is called ________ memory

• random

• ROM

• extra

• virtual

Multiple Choice

The process of swapping the memory needed by running processes out to virtual memory when not needed and back in again is called _________

• paging

• swapping

• virtualising

• piggy-backing

Poll

How much of the content of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it