Question

is an operation of selecting a process that is to be serviced by the CPU.

a. Overlaying

b. Replacement

c. Paging

d. Scheduling

Answer 1

Before the answer lets first see what actually are Overlaying, Replacement , Pagging and scheduling one by one then it is easy to identify which is an operation of selecting a process that is to be serviced by the CPU.

1. Overlaying : So Overlaying is the methode that transfers the block of code from program to main memeory and replaces the containt that was already stored. It works as programming that allow program to be larger than the actual memory of the computer.
2. Replacement : Replacement or Page replacement refers to the technique or algorithems that leads the activating the concept of virtaulisation. actually the memory was divded into the pages and then it was exicuted as per the algorithem, either in FIFO, LRU, etc.
3. Pagging : Pagginf refers to the scheme of the memory managment that helps to get rid from need of contigious memory allocation.
4. Scheduling : Process scheduling or task scheduling refers to the scheduling the process that is going to be exicuted by the CPU.

As from the above definations it is clear that scheduling is is an operation of selecting a process that is to be serviced by the CPU. so, Scheduling is the correct answer.

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