An Important Task That the Operating System Performs Is ____

question 48

Multiple Choice

An important task that the operating system performs is ____, which keeps track of the files stored on a computer so that they can be retrieved when needed.

• A) disk management
• B) file management
• C) file listing
• D) file recovery

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Definitions:

Nucleotides

Nucleotides are the basic building blocks of nucleic acids like DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

Nucleotide

Monomer of nucleic acids; small molecule with a ribose or deoxyribose sugar, a nitrogen-containing base, and one, two, or three phosphate groups. E.g., adenine, guanine, cytosine, thymine, uracil.

Nitrogen-Containing Base

One of the building blocks of DNA and RNA molecules, including adenine, guanine, cytosine, thymine (in DNA) and uracil (in RNA), which are key to encoding genetic information.

Phosphate Group

A functional group consisting of a phosphorus atom bonded to four oxygen atoms, important in energy transfer and storage molecules like ATP.