Answer:

Operating system (OS), program that manages a computer's resources, especially the allocation of those resources among other programs. ... Typical resources include the central processing unit (CPU), computer memory, file storage, input/output (I/O) devices, and network connections.

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Answer:

An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention of such infections. They may either kill or inhibit the growth of bacteria.

Explanation:

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