OS functions

Question 1

Memory management

Answer 1

Recording how memory in the computer is divided and identified so that memory is allocated efficiently between processes that are running
Paging – dividing memory into fixed sized units
Segmentation – dividing memory into variable sized units

Question 2

Interrupt service routines

Answer 2

Dealing with requests that disrupt the processor’s work (e.g. a key press)

Question 3

Processor scheduling

Answer 3

Determining the order in which processes will be executed

Question 4

Backing store management

Answer 4

Tracking where files and programs are stored and which parts are available for storage, and managing files and folders based on user permissions

Question 5

Peripheral management

Answer 5

Ensuring efficient communication with devices and managing functionality issues