TEZPUR 2025 — Computer PYQ

Q: How do I solve TEZPUR 2025 Computer questions?

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Question

TEZPUR 2025 — Computer PYQ

TEZPUR | Computer | 2025

Which of the following communication mediums is not used for digital communication?

Choose the correct answer:

Explanation

In networking, digital communication relies on these physical media to transmit binary data (bits). Here is the technical reality:

Shielded Twisted Pair (STP): Used for high-speed data transmission with protection against EMI (Electromagnetic Interference).
Optical Fiber: Transmits data as pulses of light; the gold standard for long-distance digital communication.
Coaxial Cable: Used in digital cable internet and broadband applications.
Un-shielded Twisted Pair (UTP): The most common medium for digital local area networks (LANs).

If we denote the set of digital communication media as $D$ , then for all options provided:

$a \in D, b \in D, c \in D, d \in D$