LaserWriter is a family of laser printer designed for Apple and Macintosh computers. It was released in 1985 and was very similar to HP's LaserJet, using the same Canon CX printing engine. LaserWriters offer fast printing, Ethernet connectivity, high resolution and excellent color output. Apple discontinued the LaserWriter printer in 1997.
A mobile phone is a wireless handheld device that allows users to make calls and send text messages, among other features. The earliest generation of mobile phones could only make and receive calls. Today’s mobile phones, however, are packed with many additional features, such as Web browsers, games, cameras, video players and even navigational systems.
A mobile phone may also be known as a cellular phone or simply cellphone.
When the first mobile phones were introduced, their only function was to make calls, and they were so bulky it was impossible to carry them in a pocket.
Later, mobile phones belonging to the Global System for Mobile Communications (GSM) network were capable of sending and receiving text messages. As these devices evolved, they became smaller and more features were added, such as multimedia messaging service (MMS), which allowed users to send and receive images.
Most of these MMS-capable devices were naturally equipped with cameras, which allowed users to capture photos with the built-in camera, add captions, and send them to friends and relatives who also had MMS-capable phones.
A mobile phone with highly advanced features is called a smartphone, while a regular mobile phone is known as a feature phone.
A mobile phone typically operates on a cellular network, which is composed of cell sites scattered throughout cities, countrysides, and even mountainous regions. If a user happens to be located in an area where there is no signal from any cell site belonging to the cellular network provider he or she is subscribed to, calls cannot be placed or received in that location.
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