Role of OS

Question 1

What are different versions of OS?

Answer 1

• Windows
• MacOS
• Linux
• Chrome OS
• Android and IOS (Mobile Devices).

Question 2

What does an OS do? Name two components of an OS? And list 5 particular functions that an OS does.

Answer 2

• Serves as an Interface between hardware, software applications and the end-user.
• Kernel (Manages system resources) and User Space (manages applications and system utilites).
• Disk Management
• Process Management
• Memory Management
• Application Management
• Device Management

Question 3

What is disk management? What is a one purpose of a disk partition?

i.e: Disk Partioning

Answer 3

• Managing and format storage devices as well as disk partitioning.
• Disk Partitioning is the process of dividing a storage disk into multiple but different areas which acts as it’s own storage device with a particrular purpose; it’s partition enables storage and organisation of data, installation of multiple os and segregate various types of files (file system management).

Question 4

What is Process Management and how is it done?

Answer 4

• Process management is various programs being managed and executed by the os.
• This is partially due to process scheduling which schedules the CPU’s time for particular applications or programs to be executed.

Question 4

What is Memory Management?

Answer 4

Is the management and allocation of memory to various processes.

Question 5

What is Application management?

Answer 5

Is the control and running of various software applications with a particular purpose; Such as Word, Chrome, Calculator.

Question 6

What is Device management?

Answer 6

Is the OS managing various devices by ensuring drivers provide communication between hardware and computer’s software applications and OS.