Wireless & Mobile Communications Mcqs

Q:

Which type of message cannot be sent with the help of paging system?

A) Alphanumeric message B) Video message
C) Voice message D) Numeric message
 
Answer & Explanation Answer: B) Video message

Explanation: The message sent by a paging system can be numeric, alphanumeric or voice depending upon the type of service.

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Q:

The information sent by paging system is known as a ___________

A) Note B) Line
C) Message D) Page
 
Answer & Explanation Answer: D) Page

Explanation: Page is concise information sent by a paging system to the subscribers of entire service area.

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80
Q:

Paging system uses which mode of transmission?

A) Full duplex B) Simplex
C) Half Duplex D) Duplex
 
Answer & Explanation Answer: B) Simplex

Explanation: Simplex systems communicate in only one way. For the paging systems, messages received are not acknowledged and thus they use simplex mode of transmission.

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118
Q:

Which of the following is not a standard used for paging system?

A) POCSAG B) ERMES
C) IS-95 D) FLEX
 
Answer & Explanation Answer: C) IS-95

Explanation: IS-95 is a standard used for cellular system which is based on code division multiple access (CDMA). POCSAG (Post Office Code Standard Advisory Group), ERMES (European Radio Messaging System) and FLEX are the protocols used in paging system.

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