Question

write the full form PCM and PEM.

Answer 1

PCM full form is Pulse code modulation
and PEM full form is Protein–energy malnutrition

Answer 2

Pulse code modulation (PCM) is a digital scheme for transmitting analog data. 

Protein–energy malnutrition (PEM) refers to a form of malnutrition which is defined as a range of pathological conditions arising from coincident lack of protein and/or energy in varying proportions.

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