UGC NET CSE | July 2018 | Part 2 | Question: 44

Question

Which of the following statements are true?

1. Advanced Mobile Phone System $\text{(AMPS)}$ is a second generation cellular phone system
2. IS.$95$ is a second generation cellular phone sysyem based on $\text{CDMA}$ and $\text{DSSS}$
3. The Third generation cellular phone system wil provide universal personnel communication

• A. $\text{i}$ and $\text{ii}$ only
• B. $\text{ii}$ and $\text{iii}$ only
• C. $\text{i, ii,}$ and $\text{iii}$
• D. $\text{i}$ and $\text{iii}$ only

Answer 1

AMPS was first Generation Technology.IS 95 is second generation Technology.Third Statement is True.

So Option (2) (b) and (c) only is correct.

Answer 2

(a) its false,advance mobile phone system(AMPS) is first generation cellular phone system.It uses separate frequencies or channels for conversation that's why it requires considerable bandwidth for large number of users.

(b)its true,IS-95 is a second generation cellular phone system based on CDMA and DSSS.

(c) its true,the third generation cellular phone system will provide universal personnel communication.

hence option (2) is correct.