Explore topic-wise MCQs in Wireless Mobile Communications.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless Mobile Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

__________ is based on FDMA/FDD.

A. GSM
B. W-CDMA
C. Cordless telephone
D. AMPS
Answer» E.
Discussion
2.

__________ is undesired RF radiation.

A. Intermodulation frequency
B. Intermediate frequency
C. Instantaneous frequency
D. Instrumental frequency
Answer» B. Intermediate frequency
Discussion
3.

Due to _________ transmission scheme __________ bits are needed for overhead in FDMA systems.

A. Continuous, few
B. Discontinuous, few
C. Continuous, many
D. Discontinuous, many
Answer» B. Discontinuous, few
Discussion
4.

The FDMA channel carries ____________ phone circuit at a time.

A. Ten
B. Two
C. One
D. Several
Answer» D. Several
Discussion
5.

During the period of call, other users can share the same channel in FDMA.

A. True
B. False
Answer» C.
Discussion
6.

___________IS_UNDESIRED_RF_RADIATION.?$

A. Intermodulation frequency
B. Intermediate frequency
C. Instantaneous frequency
D. Instrumental frequency
Answer» B. Intermediate frequency
Discussion
7.

In US AMPS, 416 channels are allocated to various operators with 10 kHz guard band and channel between them is 30 kHz. What is the spectrum allocation given to each operator?$

A. 12.5 kHz
B. 30 kHz
C. 12.5 MHz
D. 30 MHz
Answer» D. 30 MHz
Discussion
8.

_______is_based_on_FDMA/FDD.$

A. GSM
B. W-CDMA
C. Cordless telephone
D. AMPS
Answer» E.
Discussion
9.

Which of the following is not true for FDMA systems as compared to TDMA systems?

A. Low complexity
B. Lower cell site system cost
C. Tight RF filtering
D. Narrow bandwidth
Answer» C. Tight RF filtering
Discussion
10.

Due to _________ transmission scheme, ______ bits are needed for overhead in FDMA systems.

A. Continuous, few
B. Discontinuous, few
C. Continuous, many
D. Discontinuous, many
Answer» B. Discontinuous, few
Discussion
11.

The symbol time in FDMA systems is _________ thus intersymbol interference is ______

A. Large, high
B. Small, low
C. Small, high
D. Large, low
Answer» E.
Discussion
12.

The bandwidth of FDMA channel is ______

A. Wide
B. Narrow
C. Large
D. Zero
Answer» C. Large
Discussion
13.

If the FDMA channel is not in use, it can be used by other users. State whether True or False.

A. True
B. False
Answer» C.
Discussion
14.

The FDMA channel carries ____ phone circuit at a time.

A. Ten
B. Two
C. One
D. Several
Answer» D. Several
Discussion
15.

During the period of call, other users can share the same channel in FDMA. State whether True or False.

A. True
B. False
Answer» C.
Discussion
16.

Frequency division multiple access (FDMA) assigns ______ channels to _______ users.

A. Individual, individual
B. Many, individual
C. Individual, many
D. Many, many
Answer» B. Many, individual
Discussion