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CDMA vs GSM: Key Differences Quiz

The document compares key differences between CDMA and GSM mobile technologies. It provides 25 multiple choice questions about the origins and characteristics of each system. Some key points covered include: - GSM originated in Europe in 1990 while CDMA became an international standard in 1995. - CDMA systems have a soft capacity limit where performance decreases with more users, while channel data rates are very high. GSM is a widely adopted standard while CDMA is a proprietary technology. - CDMA base stations consume less power than GSM and cover a larger distance. The cell size in CDMA is also larger compared to GSM.

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319 views4 pages

CDMA vs GSM: Key Differences Quiz

The document compares key differences between CDMA and GSM mobile technologies. It provides 25 multiple choice questions about the origins and characteristics of each system. Some key points covered include: - GSM originated in Europe in 1990 while CDMA became an international standard in 1995. - CDMA systems have a soft capacity limit where performance decreases with more users, while channel data rates are very high. GSM is a widely adopted standard while CDMA is a proprietary technology. - CDMA base stations consume less power than GSM and cover a larger distance. The cell size in CDMA is also larger compared to GSM.

Uploaded by

niteshg11
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
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Questions on comparison of CDMA and GSM

Question 1. The GSM was originated in ________ (Global System for Mobile) in the
year 1990 and gained world wide popularity because of its modern network features
which are available to the individual mobile phone user.
1. Europe
2. USA
3. Japan
4. Canada
Wrong! Looking for answers(s):1

Question 2.CDMA or code division multiple access was developed by Qualcomm Inc.
and it became an international standard in _______--.
1. 1991
2. 1995
3. 1998
4. 2001
Wrong! Looking for answers(s):2

Question 3. The CDMA system has a soft capacity limit. That is increasing the number of
users will __________ the system performance.
1. increases
2. decreases
3. stabilise
4. None of the above
Wrong! Looking for answers(s):2

Question 4.Channel data rates are _______in CDMA systems.


1. very low
2. very high
3. moderate
4. None of the above
Wrong! Looking for answers(s):2

Question 5.GSM is a widely spread standard and CDMA is a __________technology.


1. Owned
2. proprietry
3. Patented
4. None of the above
Wrong! Looking for answers(s):3

A question 6.CDMA base station consumes ___________ power than GSM and also
covers a _______ distance.
1. more, large
2. less, large
3. less, less
4. None of the above
Wrong! Looking for answers(s):2

1
Questions on comparison of CDMA and GSM

Question 7.The cell size in CDMA is ________compared to GSM.


1. larger
2. smaller
3. same
4. None of the above
Wrong! Looking for answers(s):1

Question 8.The access method used in CDMA is CDMA while in GSM it is


_______________.
1. FDMA
2. CDMA
3. TDMA
4. All of the above
Wrong! Looking for answers(s):3

Question 9. In CDMA operator locking is provided by ESN while in GSM it is


__________
1. SIM
2. RUIM
3. UNlockable
4. None of the above
Wrong! Looking for answers(s):3

Question 10.In GSM Handset interoperability is provided by _______and in CDMA it is


_________.
1. SIM, ESN
2. SIM, RUIM
3. RUIM, SIM
4. ESN, SIM
Wrong! Looking for answers(s):2

Question 11.In GSM handoff is _________ while in CDMA it is ___________.


1. hard, hard 2. soft, hard
3. hard, soft 4. soft, soft
Wrong! Looking for answers(s):3

Question 12.Cell Breathing is a phenomenon, which occurs in


1. GSM 2. CDMA
3. Both 1 & 2 4. None of the above
Wrong! Looking for answers(s):3

Question 13.Various factors such as echoes, call dropping, or voice distortion are almost
non-existent in ______, whereas in ________, there is a high probability of errors.
1. GSM, CDMA
2. CDMA, GSM
3. GSM, CorDECT
4. None of the above
Wrong! Looking for answers(s):2

2
Questions on comparison of CDMA and GSM

Question 14.GSM, being a relatively simpler technology, uses________amount of cell


phone battery than CDMA.
1. less
2. more
3. same
4. None of the above
Wrong! Looking for answers(s):1

Question 15. 1xRTT requires a dedicated connection to the network for use, whereas
GPRS sends in packets, which means that data calls made on a GSM handset
______voice calls like they do on CDMA phones.
1. block out
2. don’t block out
3. enables
4. None of the above
Wrong! Looking for answers(s):2

Question 16. High-powered GSM signals have been shown to cause ____________of
CDMA receivers due to CDMA’s reliance upon broadcasting across its entire available
band.
1. overloading 2. jamming
3. Both 1 & 2 4. None of the above
Wrong! Looking for answers(s):3

Question 17.Less signal deterioration inside buildings in ___________


1. GSM 2. CDMA
3. DECT 4. None of the above
Wrong! Looking for answers(s):1

Question 18.Talktime is generally ______ in GSM phones due to the pulse nature of
transmission
1. higher
2. lower
3. moderate
4. None of the above
Wrong! Looking for answers(s):1

Question 19.To upgrade a ________ phone, the carrier must deactivate the old phone
then activate the new one.
1. GSM
2. CDMA
3. Both 1 & 2
4. None of the above
Wrong! Looking for answers(s):2

3
Questions on comparison of CDMA and GSM

Question 20.Because IS-95 towers interfere with each other, they are normally installed
on much _________ towers.Because of this, IS-95 may not perform well in hilly terrain.
1. higher
2. shorter
3. moderate
4. None of the above
Wrong! Looking for answers(s):2

Question 21.Manufacturers are often _______to release IS-95 devices due to the smaller
market, so features are sometimes late in coming to IS-95 devices.
1. hesitant
2. confident
3. not technically sound
4. None of the above
Wrong! Looking for answers(s):1

Question 22.Being an international standard, which of this is better suited for


international roaming,
1. GSM
2. CDMA
3. NMT
4. None of the above
Wrong! Looking for answers(s):1

Question 23.Each call uses ______depending on chosen quality and audio complexity in
CDMA.
1. 0.2 MHz
2. 1.8-12 kbit/s
3. 13-16 kbit/s
4. None of the above
Wrong! Looking for answers(s):2

Question 24.Has no built-in limit to the number of concurrent users.


1. GSM
2. CDMA IS-95
3. NMT
4. None of the above
Wrong! Looking for answers(s):2

Question 25.Which of these has the most number of users worldwide?


1. GSM
2. CDMA IS95
3. CDMA 2000
4. NMT
Wrong! Looking for answers(s):1

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