In which year the first telphone switchboard (exchange) was

invented?

Which company launched the first mobile phone ?

Who is considered as the inventor of the first practical mobile phone for hand-held ?

Which company is considered as the first company to launch first smartphone ?

Which is the world's largest individual mobile operator ?

Which was the first phone that uses the Android mobile device platform ?

1.Which type of data network supports the interconnection of computers within highly populated area?

The ratio of number of successful calls to the number of call attempts is known as ______

A system of transmission of sounds, images, texts or data in the form of electronic signals.

Which of the following are properties of a good network?

Which of the following is example of resource sharing?

What is P2P networking stands for?

_____ is the name given to a computer directly connected to the internet.

___________ are communication devices that route data to correct user.

__________ _________is a transmission by one powerful transmitter and numerous receivers.

_________ is the continuous variation of a transmission signal used to encode the signal.

_______ are small text files that identify a user’s personal preference and settings and allows web site servers to retrieve the information.

What type of network is this?

The year electrical telegraph was invented: