Mobile phones

Mobile phones

Smartphones, specifically the mobile phones that have actually become our connected buddies today, are actually reasonably brand-new.

The history of mobile phones goes back to 1908 when a US Patent was actually issued in Kentucky for a wireless telephone.

Cellphones were actually developed as early as the 1940s when designers operating at AT&T developed tissues for mobile phone base stations.

The quite 1st cellphones were actually not really cellular phones in any way. They were actually walkie-talkies that made it possible for folks like taxi drivers and the unexpected emergency solutions to correspond.

Mobile phones

Question 1 of 10.

Which telephone company launched the initial mobile telephone company (MTS), in 1946?

1. AT&T (American Telephone as well as Telegraph Business
2. Bell Phone Company
3. Central Telephone as well as Electronic Devices (CenturyLink)
4. Vivendi Universal SA
Question 2 of 10.

Which band of radio emission frequencies perform cellular telephones use for telecommunication?

1. 500 - 600 MHz
2. 100 - 200 MHz
3. 800 - 900 MHz
4. 1,100 - 1,200 MHz
Question 3 of 10.

What is the label for the mapped hexagonal geographic regions that comprise the cellular telephone network?

1. Containers
2. Hexagrids
3. Pins
4. Cells
Question 4 of 10.

What performs the "SIM" in SIM card mean?

1. S. ubscriber. I. dentity. M. odule.
2. S. ending. I. nternet. M. odule.
3. S. ystem. I. nternet. M. lyric.
4. S. ubtype. I. dentity. M. ethod.
Question 5 of 10.

Which production firm made the very first camera phone, called the J-Phone, that could deliver photos over a mobile system?

1. Motorola
2. Apple
3. Sharp
4. AT&T
Question 6 of 10.

The most significant distinction in between 3G and 2G mobile-data-transfer innovation is actually making use of package switching over circuit switching.

1. True
2. False
Question 7 of 10.

Motorola was the 1st phone company to make a handheld cellphone.

1. False
2. True
Question 8 of 10.

What does VoIP represent?

1. Voice over World Wide Web Process
2. Eyesight of Interest Part
3. Voice or even Internet Program
4. Vivendi function Net Process
Question 9 of 10.

What is actually the amount of time spent on a mobile phone call known as?

1. Phonetime
2. Airtime
3. Calltime
4. Minutes
Question 10 of 10.

What is actually the solution location for a ground station called?

1. Curtilage
2. Array
3. Roaming Area
4. Coverage

Next question 1 of 10

All 10 questions completed!

Mobile phones

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