This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “Paging System”.
1. Which of the following is not a standard used for paging system?
a) POCSAG
b) ERMES
c) IS-95
d) FLEX
View Answer
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.
2. Paging system uses which mode of transmission?
a) Full duplex
b) Simplex
c) Half Duplex
d) Duplex
View Answer
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.
3. The information sent by paging system is known as a ___________
a) Note
b) Line
c) Message
d) Page
View Answer
Explanation: Page is concise information sent by a paging system to the subscribers of entire service area.
4. 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
View Answer
Explanation: The message sent by a paging system can be numeric, alphanumeric or voice depending upon the type of service.
5. What is a paging access number?
a) An e mail id
b) A username
c) A toll free telephone number
d) A registration number
View Answer
Explanation: Paging access number is a telephone number which is used to send the information to the subscriber.
6. Which type of transmission technique is employed by paging system?
a) Simulcasting
b) Multicasting
c) Unicasting
d) Hybrid
View Answer
Explanation: Simulcast is a reliable technique used by paging system by transmitting the same paging signal from multiple paging transmitters at approximately equal times.
7. Which of the following is not the property of paging system?
a) Asymmetric communication
b) Light weight
c) High cost
d) Wide area coverage
View Answer
Explanation: One of the main reasons for the increased users of paging system was its less cost. But as the prices of cellular system declined, the users of paging system also decreased.
8. Which of the following properties describes the transmitters and receivers in paging system?
a) High complexity and high power transmitter, high complexity and high power receivers
b) Low complexity and low power transmitter, low complexity and low power receivers
c) Low complexity and low power transmitter, high complexity and high power receivers
d) High complexity and high power transmitter, low complexity and low power receivers
View Answer
Explanation: High power of transmitters helps paging signal to easily penetrate the building and low power receivers allow long usage time and light weight batteries.
9. What is a pager in the paging system?
a) A transmitter
b) A receiver
c) A transceiver
d) An equalizer
View Answer
Explanation: A pager is a wireless device which receives the page, i.e. numeric, alphanumeric or voice message sent by the transmitter.
10. Who introduced the paging system for the first time?
a) Al Gross
b) Teri Pall
c) Alexander Graham Bell
d) Martin Cooper
View Answer
Explanation: AL Gross introduced the first paging system during world war in 1949.
Sanfoundry Global Education & Learning Series – Wireless & Mobile Communications.
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