This set of Analog Communications Quiz focuses on “Bandwidth Requirement for PAM Transition”.
1. A 1000KHz carrier is modulated by 100Hz and 200Hz waves, then which of the following frequencies cannot be present at the output?
Explanation: Frequencies present at output will be 1000 ± 0.1 and 1000 ± 0.2.
2. A Bluetooth “piconet” has ________
a) 1 node
b) 2 nodes
c) 2 to 8 nodes
d) 2 to 16 nodes
Explanation: Bluetooth is a wireless technology. It is used for exchanging data over short distances. It usually uses frequency hopping. A Bluetooth piconet has 2 to 8 nodes.
3. POCSAG stands for ________
a) Post Office Code Standardization Advisory Group
b) Post Office Common Standardization Advisory Group
c) Pager Office Code Standardization Advisory Group
d) Pager Office Common Standardization Advisory Group
Explanation: POCSAG stands for Post Office Code Standardization Advisory Group. It formulates a paging protocol, known as POCSAG protocol.
4. Who invented the technology CDMA?
b) Bell Labs
c) SAP Labs
Explanation: CDMA was invented by Qualcomm. CDMA is a channel access method used by various radio communication technologies. CDMA stands for Code Division Multiple Access.
5. AMPS was designed for POTS only.
Explanation: AMPS was designed for POTS as well as for voice. It was also designed for the use built into an automobile.
6. What is the full form of MTSO?
a) Minimum Transmitted Signal Output
b) Maximum Transmitted Signal Output
c) Mobile Telephone Switching Office
d) Mobile Telephone Signal Office
Explanation: MTSO stands for Mobile Telephone Switching Office. It contains the switching equipment for routing mobile phone calls.
7. AMPS stands for ________
a) American Mobile Phone System
b) Advanced Mobile Phone Service
c) Analog Mobile Phone Service
d) Advanced Mobile Phone System
Explanation: AMPS stands for Advanced Mobile Phone Service. It is a standard system for analog signal cellular telephone service in United States and in other countries.
8. What is number of possible outputs if there is 6 line digital input?
Explanation: Total possible outputs will be 26 which is equal to 64.
9. “Station-keeping” refers to ___________
a) antenna maintenance
b) power level adjustments
c) orbital adjustments
d) range of frequencies
Explanation: Station keeping refers to the orbital adjustments.
10. The area on the earth that is covered by a satellite is called __________
d) earth station
Explanation: Footprint refers to the area covered by a satellite on earth. Transmission from earth to satellite is called uplink and transmission from satellite to earth is called downlink.
Sanfoundry Global Education & Learning Series – Analog Communications.
To practice all areas of Analog Communications for Quizzes, here is complete set of 1000+ Multiple Choice Questions and Answers.