UGC NET Questions (Paper – 1)

Data compression uses algorithms to encode information more compactly, often by removing redundancy, so that files become smaller. This is particularly important for multimedia content and network transmission where bandwidth and storage are limited. Compressed data can later be decompressed to approximate or reproduce the original. Thus, the process described is data compression.

Option A:
Option A is correct because compression specifically denotes techniques for reducing file size without changing the essential content beyond acceptable limits.

Option B:
Option B, encryption, transforms data for confidentiality purposes but does not necessarily reduce size.

Option C:
Option C, decryption, reverses encryption and is not aimed at compact representation.

Option D:
Option D, replication, creates additional copies of data, which increases rather than decreases storage requirements.