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What are the benefits of multiprogramming?
Responsiveness: Multithreading is an interactive application may permit a program to continue running even if part of it is blocked or is performing a lengthy operation, thus increasing responsiveness to user.
Resource Sharing: By default threads allocate the memory and resources of the process to which they belong.
Economy: Allocating resources and memory for process is expensive. However since allocate resources it more economical
Utilization of multiprocessor architectures: The benefits of multithreading can be greatly improved in a multiprocessor architecture where each thread may be running in parallel on a different processor.
What are privileged instructions? Some of the machine instructions that may cause harm to a system are designated as privileged instructions. The hardware permits the privilege
What is a reference string? An algorithm is evaluated by running it on a particular string of memory references and computing the number of page faults. The string of memory re
Define drawback of Distributed systems Reliability is a drawback of Distributed systems
ADVANTAGES AND INCONVENIENCES OF KLT Advantages: the kernel be able to simultaneously schedule many threads of the same process on many processors blocking
What is an operating system process? How is it different from a program? Why do we need the concept of a process, rather than simply talk about programs running in memory? The e
Q. What are the major differences between capability lists and access lists? Answer: An access list is a list for each object consisting of the domains with a nonempty set of
Operating Systems 1. Explain single Partition Allocation and Multiple Partition Allocation. 2. What do you mean by PCB? What useful information is available in PCB? 3. De
Q. Which of the subsequent instructions should be privileged? a) Read the clock b) Clear memory c) Set value of timer d) Issue a trap instruction e) Turn off interr
File Organization * Sequential * Direct * Indexed A file still if it is stored on a magnetic disk or CD-ROM disk may perhaps have a sequential file organiz
A system consists of 10 units of resource class Ru. The resource needs of three user processes P1, P2 and P3 are like this Using Banker's algorithm, de
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