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Advantages and disadvantages of telephones as a means of communication

Answer Text:
Telephone
This form of communication is commonly used in offices and homes. It is useful in sending messages quickly over short and long distances.
Advantages of Telephones
-Relatively fast
-Has personal appeal
-Provides for immediate feedback
-One can persuade or convince another
-Suitable for long distance communication
Disadvantages of Telephone
-Can be expensive especially over long distances
-No record for future reference
-Lacks confidentiality
-Not convenient for dumb and deaf
-Can be time consuming