Arrange the following terms in order of increasing abstractness :
(A) Mobile Telephone
(B) Android Phone
(C) Communication device
(D) Telephone
Choose the correct answer from the options given below :

Correct option is A

Android Phone (B): An Android phone is the most specific term among the given options. It refers to a type of mobile phone that runs on the Android operating system developed by Google. This specifies both the type of device and the operating system it uses.
Mobile Telephone (A): This term is less specific than "Android Phone" but more specific than "Telephone." It refers to a portable device that can make and receive calls wirelessly over a cellular network. While it doesn't specify the operating system, it does specify the mobility aspect of the device.
Telephone (D): "Telephone" is a general term referring to a device used for voice communication over long distances. It doesn't specify any particular technology or features beyond basic voice communication.
Communication Device (C): This term is the most abstract among the given options. It encompasses a wide range of devices used for communication purposes, including telephones, mobile phones, computers, and more. It is the broadest term and doesn't specify any particular technology or features, hence the most abstract.