Why does kernel panic occur?

0 Answers  

---

What is a file in os?

0 Answers  

---

What should I consider when buying a laptop?

0 Answers  

---

DMA - abbrevation (Direct Memory Access,Discrete memory Access,Disk memoryaccess)

4 Answers   Mascot,

---

1) What is an Virtual memory? 2) How do we test API's in both Windows/Linux/Unix? 3) What is an IOCTL? 4) How do you open a char device through API's? 5) What is major num/ minor num? 6) What is the max num for minor num? 7) Who gives you the major / minor numbers? 8) Reverse a string using recursive func. 9) fork/vfork/clone. 10) What does fork returns? 11) What is a zombie process? 12) What happens when a child completes before parent tries to wait for it? 13) Interrupt handlers, top-hdnl....?

0 Answers   TCS, Wipro,

---

Q1. What is an interrupt? How are multiple interrupts dealt with? Q2. Explain the difference between a MONOLITHIC KERNAL and a MICROKERNAL? Q3. List reasons why a Mode switch between threads may be cheaper than a Mode switch between processes. Q4. What is the difference among deadlock avoidance, detection and prevention? Q5. What items of information about a task might be useful in real time scheduling? Q6. Discuss some of the reasons for implementing process migration ? How is the process address space handled during process migration?

1 Answers  

---

What does the g in gnu stand for?

0 Answers  

---

Explain about memory management in operating system.

0 Answers   Aditi Placement Service,

---

How To Enable & Disable Quorum?

0 Answers   IBM,

---

Can I close my computer while updating?

0 Answers  

---

What happens if you turn off computer during update?

0 Answers  

---

In the process table entry for the kernel process, the process id value is a) 0 b) 1 c) 2 d) 255 e) it does not have a process table entry

4 Answers   Aspire, IBM, Saigun Technologies,

---