Characteristics of Mobile

A device that have wireless connection and
portable power source is called mobile phone. Mobile phone is a handheld
device. Main functionality of this device, when it was invented, to
make calls without wire. Early mobiles were so big that it was unable to
carry a mobile phone in a pocket. With the passage of time a lot of
changes made in this device. When mobile phones becoe a part of the
Global System for Mobile Communications network it became capable of
sending and receiving text messages. A device with only the capability
of call and text message is called feature phone. Later, feature phones
were converted into smart phones. Smart phones have much more capability
as compare feature phone. We can add or remove custom software in smart
phone. Some of the main features of these days mobile phones are given
below:

1.1. Portability

Mobile devices are defined by their
ability to be moved frequently. Any mobile device should function and
operate consistently while on the move, regardless of proximity to a
power source or physical Internet connection. To aid in portability,
mobile devices typically contain rechargeable batteries that allow
several hours or more of operation without access to an external charger
or power source.

1.2. Small Size

A typical mobile device will fit in the
average adult�s hand or pocket. Some mobile devices may fold or slide
from a compact, portable mode to a slightly larger size, revealing
built-in keyboards or larger screens. Mobile devices make use of touch
screens and small keypads to receive input, maintaining their small size
and independence from external interface devices. The standard form of a
mobile device allows the user to operate it with one hand, holding the
device in the palm or fingers while executing its functions with the
thumb.

1.3. Connectivity

Smartphones can keep you connected in one
of two ways. First, there�s the data plan that you must purchase from
your cell provider that allows you to access the Internet through 3G and
4G networks. However, smartphones are also able to connect to Wi-Fi
hotspots, which generally process data faster and don�t count against
your data plan. Smartphones also have Bluetooth and microUSB capability.

1.4. Video chatting

Most smartphones today allow you to video
chat in high definition with friends and family. Video chatting can be
especially helpful for chatting with out of town family members and
friends, and for business people staying in touch with the office and
clients.

1.5. Central Processing Unit

Mobile phones have central processing
units (CPUs), like those in computers, but optimized to operate in low
power environments. Mobile CPU performance depends not only on the clock
rate (generally given in multiples of hertz) but also the memory
hierarchy also greatly affects overall performance. Because of these
problems, the performance of mobile phone CPUs is often more
appropriately given by scores derived from various standardized tests to
measure the real effective performance in commonly used applications.

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