Where are the global variables stored?

1101

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What is the difference between exclusive lock and shared lock?

1159

---

Can you tell me the difference between semaphore and mutex.

1158

---

Explain what is a semaphore?

1078

---

What is significance of semaphores? What are the different types of semaphores?

1113

---

What is a hard real time OS?

1145

---

Define max, min heap and search time of heap.

1043

---

Explain Marshalling?

997

---

Explain what are device drivers used for?

1024

---

Explain what is meant by CORE DUMPS?

1028

---

What are the essential conditions for a deadlock to occur?

1024

---

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

1054

---

How can the FCFS scheduling be made better?

1142

---

How will you check if R3 system is a Unicode or non - Unicode system?

1056

---

What are the ways in which fault tolerance can be ensured in systems? (Different redundancy techniques)?

1186

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