How does yahoo handles billions of requests, does it create a thread per request or a process?

604

What is an OS? Explain it to a layman.

563

What are the two main types of files?

544

How does reference counting manage memory allocated objects?

522

What are real-time systems?

615

What is the main difficulty that a programmer must overcome in writing an operating system for a real-time environment?

876

Explain the difference between trap and trapdoor?

558

What is a safe state and its’ use in deadlock avoidance?

542

Under what circumstances do page faults occur?

639

Explain accessors to a layman.

671

Suppose if we have a variable 'I' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?

633

Do 64 bit applications use more memory?

501

How does agile communication differ from tradition software engineering communication? How it is similar?

1359

How do I know if my os is corrupted?

528

What do you mean by threads in Operating System?

619