Examlex
At any given time, how much of the Earth is illuminated by the sun?
Cellular Networks
Wireless communication networks made up of cells, allowing mobile phones and other devices to connect to the internet and each other over large areas.
Digital Signals
A representation of data in a sequence of discrete values, as opposed to continuous or analog signals.
4G
The fourth generation of broadband cellular network technology, succeeding 3G and offering increased internet speeds and higher data rates for mobile phones and devices.
Instant Messaging
A form of communication over the internet that allows two or more participants to send text messages in real-time.
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