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Explain a boot control block A boot control block can have the information required by the system to boot an operating from that partition. If the disk does not have an operati
Define buffering. A buffer is a memory area that keeps data whereas they are transferred among two devices or among a device and an application. Buffering is done for three rea
Q. We have stressed the require for an operating system to make efficient use of the computing hardware. When is it suitable for the operating system to forsake this principle and
Write a short note about schedulers. Processes migrate between the various scheduling queues throughout its life time. The operating system should select for scheduling purpose
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
Q. Consider a distributed system with two sites A and B. Consider whether site A can distinguish among the following: a. B goes down. b. The link between A and B goes down.
what is data-processing cycle?
What are the typical elements of a process image? User data: Modifiable part of user space. May have program data, user stack area, and programs that might be modified. User
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. Define Input - Output operations? Serial lines, Disks, tapes and other devices should be communicated with at a very low level. The user require only specify the device and
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