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Q. Error detection in operating system?
Error detection- Error detection take places at both the hardware and software levels. At the hardware level every data transfers must be inspected to ensure that data haven't been corrupted in transit.
All data on media should be checked to be sure they have not changed since they were written to the media. At the software level media should be checked for data consistency for instance whether the number of allocated and unallocated blocks of storage matches the total number on the device. There errors are habitually process-independent (for instance the corruption of data on a disk) therefore there must be a global program (the operating system) that handles all types of errors. As well by having errors processed through the operating system processes need not contain code to catch and correct all the errors possible on a system.
Q. What merit is there in having different time-quantum sizes on different levels of a multilevel queuing system? Answer: Processes that require more frequent servicing for ins
What is the sequence in which resources may be utilized? Under normal mode of operation, a process may utilize a resource in the following sequence: Request: If the requ
Note that the parameter for scanf doesn't need the address operators & because name is an address. However the variable name has no defined space. This can cause problems within C
Q. Show that a few schedules are possible under the two-phase locking protocol however not possible under the timestamp protocol and vice versa. Answer: A schedule that is auth
Developing Code with Threads Writing code to support a thread-based implementation is very straightforward. Simple APIs are presented to the developer for each threads package.
Q. Describe the purpose of the open() and close() operations. Answer: The open() operation notifies the system that the named file is about to become active. The c
Briefly explain process management in Windows 2000. The Windows 2000 process manager provides for deleting, creating and using threads and processes. It has no knowledge about
Define the TlsFree(TLSIndex) Function This function should be called to free a TLSindex allocated by TlsAlloc. It would be executed when there are no more threads in a process
Advantages and disadvantages of time-sharing operating system
Q. Explain about Time Sharing Systems? Time Sharing Systems Multi-programmed batched systems provide an environment where various system resources (for illustration CP
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