Paper 1 · ICT
ISDN stands for
AIntegrated Services Digital Network ✓ Correct
BIntelligent Services Digital Network
CIndividual Services Digital Network
DImage Services Digital Network
Correct answer: (A) Integrated Services Digital Network — ISDN stands for Integrated Services Digital Network, so that is the answer.
Explanation
★ISDN stands for Integrated Services Digital Network, so that is the answer.
★ISDN carries voice and data together over digital lines.
★Its name comes from integrated services digital network.
★So ISDN stands for Integrated Services Digital Network.
★The intelligent, individual and image variants are wrong.
★So the answer is Integrated Services Digital Network.
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