Operating Systems (History & Components)

Question 1

What is the role of the BIOS?

Answer 1

Basic Input/Output System starts the computer and loads the OS into RAM.

Question 2

What is the kernel?

Answer 2

Core part of the OS that manages communication between hardware, software, and memory.

Question 3

What is the memory manager?

Answer 3

Allocates RAM to processes, ensures memory protection and sharing when needed.

Question 4

What is the I/O (Input/Output) manager?

Answer 4

Handles communication between applications and hardware devices using device drivers.

Question 5

What is the file system manager?

Answer 5

Organises files, manages read/write operations, and handles file permissions.

Question 6

What is the backing store manager?

Answer 6

Controls the movement of data between main memory and secondary storage.

Question 7

What is the process scheduler?

Answer 7

Manages CPU time allocation to processes based on scheduling policies.

Question 8

What is resource allocation?

Answer 8

Assigns CPU, memory, and I/O devices to running programs efficiently.