Describe different job scheduling in operating systems.

What is a Real-Time System ?

What is the difference between Hard and Soft real-time systems ?

Google, Hella, Satyam,

What is a mission critical system ?

What is the important aspect of a real-time system ?

If two processes which shares same system memory and system clock in a distributed system, What is it called?

What is the state of the processor, when a process is waiting for some event to occur?

MTS,

What do you mean by deadlock?

Bosch,

Explain the difference between microkernel and macro kernel.

Infosys, Tech Mahindra,

Give an example of microkernel.

Global Edge, Samsung,

When would you choose bottom up methodology?

Knowx Innovations,

When would you choose top down methodology?

CTS,

Write a small dc shell script to find number of FF in the design

what are the rules u follow when u r writing critical section of code?

TCS,

what is the need of creating 4GB of pages in linux?

TCS,