Mobile communications

When was mobile communication introduced?

• 1983

• 1999

• 1998

• 1967

Who first introduced mobile communication?

• LG

• Motorola

• Samsung

Mobile communication technology was built with ...

• protocol

• speed

• speed and protocols

• protocols,services,speed

... is responsible for the evolution of mobile communication.

• Modification

• Replacements

• Fixing

A mobile phone uses ... type of duplex communication.

• half

• full

• zero

Which of the following are the features of mobile communication?

• High load balancing capacity

• Scalability

• good network management system

• all of them

Which of the following are examples of mobile communication system?

• cellular and cordless phones

• cordless phones

• wired phones

Mobile phones are safeguarded with ....for privacy reason.

• Unique mobile number

• SIM

• ID card

• IMEI

Which of the following are the technologies used in mobile communications?

• 1G

• 2G

• 3G

• all of them

Mobile communication technology used in 2021 is ...

• 4G

• 3G

• 5G

• 4G and 5G