Tag: general knowledge

half-duplex communication

multiple-duplex communication

full-duplex communication

None of the above

5 square miles (13 square kilometers)

10 square miles (26 square kilometers)

25 square miles (65 square kilometers)

35 square miles (85 square kilometers)

Your phone's transmitter sets up relays to get your signal to your initial location.

The Mobile Telephone Switching Office coordinates when your phone changes frequencies from one tower to another.

Your phone sends a stronger signal to reach the tower you were using when you started your call.

None of the above

The Mobile Telephone Switching Office (MTSO) checks your SID code in its database.

The global positioning system (GPS) chip in your phone informs the cell towers of your location.

The cell towers triangulate your position, and your phone's processor compares it to your service area.

None of the above.

They transfer data quicker, so the frequencies aren't clogged.

They convert voices into binary code, compressing the calls.

They use higher frequencies than analog phones.

None of the above.

buying a phone and using someone else's account information to set it up

retrieving ID numbers from a phone and using them to eavesdrop or make fraudulent calls

transferring a SIM chip from an old phone to a new phone

None of the above

The signals don't travel very far.

Sending a signal doesn't drain the battery.

Both 1 and 2.

None of the above.

can work with only one specific provider's service

can work only in a limited range within a network

has no SIM card

None of the above

Arsenal

Manchester United

Liverpool

Manchester City

August 30, 1930

August 30, 1931

August 31, 1931

August 31, 1932