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List and discuss the various services provided by the operating system.
Communications - exchange of information between processes executing either on the same computer or on different systems tied together by a network.
CPU and memory hardware, in I/O devices, or in user programs.
Is it probable to have a deadlock involving only one single process? Describe your answer. Answer: No This pursue directly from the hold-and-wait condition.
What is single and multithreading and thread pool?
The drawbacks of fixed partitioning are: The number of partitions are précised at system generation time limits the number of active processes in the system. For the re
Q. Why is it important to scale up system bus and device speeds as the CPU speed increases? Answer: Consider a system which carries out 50% I/O and 50% computes. Doubling-up
Define the Communications Techniques - Application interaction protocols Communications techniques are well defined. They give developer the programmatic mechanism to transf
Determine a critical section is a program segment Critical section is where shared resources are accessed
What are batch systems? Early computers were physically huge machines run from a console. The general input devices were card readers and tape drivers. The common output device
What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.
Write a note on deadlocks. The proper definition of deadlock A set of processes is deadlocked if every process in the set is waiting for an event that only a proces
Define UFD and MFD. In the two-level directory structure, every user has her own user file directory (UFD). Every UFD has a similar structure, but lists only the files of a one
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