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Q. Explain about Error detection method?
Error detection: error can occur in CPU, in I/O devices or in memory hardware. Operating system constantly needs to be aware of possible errors. It must take the appropriate action to guarantee correct and consistent computing.
1. Resource Allocation
2. Accounting
3. Protection
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Q. What is the basic function of Assembler ? Input to an assembler is an assembly language program. Output is an object program and information which enables the loader to prep
What do you mean by semaphore? Semaphore : A synchronization variable that acquires on positive integer values. Invented by the Dijkstra P (semaphore): an atomic proce
Explain the Novell NetWare NetWare doesn't really have the concept of processes in the architecture, as the most closely associated element in the NetWare environment to
Construct a process tree similar to Figure 1. Look up the Linux command pstree -p and describe what it does. Then type in the command the capture the output.
Write a note on semaphores A semaphore is a tool meant for synchronizing multiple processes trying to access a shared variable. That is a semaphore is used to deal with the cri
Define what is Dispatcher In the Worker Model, it is the task of the Dispatcher to spawn a thread for every client-to-server connection. The Dispatcher acts as the go-between o
The hardware to support demand paging is as follows Page table: This table has the skill to mark an entry invalid though a valid-invalid bit or particular value of protectio
What is Instruction trace
How can a user program disturb the normal operation of the system? a) Issuing illegal I/O operation. b) By accessing memory locations within the OS itself. c) Refusing to
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