Microsoft Windows Interview Questions and Answers

66 :: What is the difference between a process and a task?

TASK :
A Particular Work to be Done is known as TASK

PROCESS :
one or more PROCESS will be required to complete a task.

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67 :: Describe different job scheduling in operating systems?

Scheduling is the activity of the deciding when process will receive the resources they request.

FCFS:
FCSFS stands for First Come First Served. In FCFS the job that has been waiting the longest is served next.

Round Robin Scheduling:
Round Robin scheduling is a scheduling method where each process gets a small quantity of time to run and then it is preempted and the next process gets to run. This is called time-sharing and gives the effect of all the processes running at the same time

Shortest Job First:
The Shortest job First scheduling algorithm is a nonpreemptive scheduling algorithm that chooses the job that will execute the shortest amount of time.

Priority Scheduling:
Priority scheduling is a scheduling method where at all times the highest priority process is assigned the resource.

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68 :: Difference between Primary storage and secondary storage?

Main memory:
only large storage media that the CPU can access directly.

Secondary storage:
extension of main memory that provides large nonvolatile storage capacity.

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69 :: Explain the difference between microkernel and macro kernel?

Micro-Kernel:
A micro-kernel is a minimal operating system that performs only the essential functions of an operating system. All other operating system functions are performed by system processes.

Monolithic:
A monolithic operating system is one where all operating system code is in a single executable image and all operating system code runs in system mode.

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70 :: I have deleted a file from recycle bin but i want to use that file how can i restore that file? I have already used system restore for the same but the file could not be restore?

THere is two solutions:

1. Restore from last back.

2. User Recycler folder. Start-->RUN-->type c:recycler --> type FTYPE

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