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Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
A Unix shell is a shell or command-line interpreter that gives a traditional user interface for the Unix-likesystems and for Unix operating system. Users operates the operation of
Ask question #Minimum 100 words accepted application of bounded and unbounded buffers
Define secondary memory. This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, an
Q. Several CPU-scheduling algorithms are parameterized for instance the RR algorithm requires a parameter to indicate the time slice. Multilevel response queues require parameters
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
What is degree of multiprogramming ? Degree of multiprogramming signifies the number of processes in memory. If the degree of Multiprogramming is steady after that the average
Q. In the IBM/370 memory protection is offered through the use of keys. A key is a 4-bit quantity every 2K block of memory has a key (the storage key) associated with it. The CPU
what is it all about? why do we need? what are the types of backup? how is it done in unix?
Q. State three merits of placing functionality in a device controller rather than in the kernel and State three disadvantages. Answer: Three advantages: Bugs are less probabl
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