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NEHA KHANDELWAL

· started a discussion

· 1 Months ago

Wrong Answer (Question: 187725.0 )

Dictaphone: a small cassette recorder used to record speech for transcription at a later time.
Hence, this is also related to sound.

Question:
DIRECTIONS: Find the odd pair from the given alternatives.
Options:
A) Dictaphone
B) Microphone
C) Gramophone
D) Telephone
Solution:
Ans: (a) Except option (A) all others are related to sound.


Dictaphone is a machine for recording and playing back dictated letters.

Gramophone is a sound recording and playing back round machine.

microphone is an instrument for converting sound waves in to electrical variations that can be reconverted in to sound after transmission by wire or radio or after recording. 

Telephone is an apparatus for transmitting sound.  

Kuldeep paramount

· commented

· 1 Months ago

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