What do you mean by a zombie process?

1075

---

What differences are there between a semaphore wait signal and a condition variable wait signal?

1037

---

Explain condition variable.

968

---

What do you know about a pipe? When is it used?

960

---

Is non-pre-emptive scheduling frequently used in a computer? Why?

984

---

Explain bootstrap program in operating system.

1009

---

Is it possible to have a deadlock involving only one process?

1026

---

Name the functions constituting the os's memory management.

1011

---

How does reference counting manage memory allocated objects?

1020

---

What are the different synchronization mechanisms?

1008

---

When does page fault error occur?

1014

---

Why is a single serial port managed with a single interrupt-driven i/o but a front-end processor is managed using a polling i/o, such as a terminal concentrator?

974

---

Is it possible to have a deadlock involving only one process? Explain your answer.

992

---

What are the functions of operating system?

1036

---

Explain booting the system in operating system.

1019

---