Match List I with List II. List I (Data-transmission modes in a computer…
2023
Match List I with List II.
List I (Data-transmission modes in a computer network) | List II (Description) |
|---|---|
A. Simplex | I. Data can be sent and received at the same time. |
B. Duplex | II. Data can only be sent or received. |
C. Half-duplex | III. Data can be sent and received, but not at the same time. |
Choose the correct answer from the options given below:
Answer: D. A-II, B-I, C-III — ConceptA data-transmission mode is classified by the permitted direction of communication and by whether both directions may operate simultaneously. Simplex…
- A.
A-III, B-I, C-II
- B.
A-I, B-III, C-II
- C.
A-II, B-III, C-I
- D.
A-II, B-I, C-III
Attempted by 212 students.
Show answer & explanation
Correct answer: D
Concept
A data-transmission mode is classified by the permitted direction of communication and by whether both directions may operate simultaneously. Simplex permits one-way communication only; full-duplex permits both directions at the same time; half-duplex permits both directions, but only one direction at a time.
Application
Simplex matches II because information travels in only one direction: one endpoint sends while the other receives.
Duplex in this list means full-duplex, so it matches I because sending and receiving can occur simultaneously.
Half-duplex matches III because both endpoints can send and receive, but they take turns.
Cross-check
Mode | Direction behaviour | Description |
|---|---|---|
Simplex | One direction only | II |
Duplex (full-duplex) | Both directions simultaneously | I |
Half-duplex | Both directions, one at a time | III |
Therefore, the matching is A-II, B-I, C-III.