Operating Systems

Question 1

What are the five functions of an operating system

Answer 1

P - manage peripherals
M - manage memory
F - manage files
U - mange users
U - provide user interface

Question 2

What is meant by manage peripherals

Answer 2

Receiving data from input devices and sending data to output devices

Question 3

What is a device driver

Answer 3

A peice of software that translates OS instructions into a format that a specific piece of hardware can understand

Question 4

What is meant by manage memory

Answer 4

-OS loads a program from ss into a place in ram, so users can run more than one piece of software at once.
-The OS removes data from ram that is no longer needed to free up memory for other programs
-The OS moves data from ram to vm allowing the user to do tasks as if the computer has more ram

Question 5

What is meant by multitasking

Answer 5

Running more than one program at a time by giving each program a time slice

Question 6

What is meant by mange files

Answer 6

Allows users to name files, allocate files to folders, move files, save files and copy files

Question 7

What is meant by manage users

Answer 7

Allowing allocating a user account(username and password) , setting up access rights