Question

Short notes operating system
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Answer 1

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An Operating System (OS) is a software that acts as an interface between computer hardware components and the user. Every computer system must have at least one operating system to run other programs.

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Answer 2

Answer:

The complexity of pathogenesis of hazardous pathogens varies from each one and day to day new pathways, new antigenic components of such pathogens are identified.

To face and meet new challenges thrown by these pathogens like which includes mutations in antigenic structures, or opting of this pathogen to a new host with an extended host range.

They need to be stored safely to study these things or it's potential use in developing biological technologies which may come into play in future which cannot be predicted.

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