| This is usually done with a charging station | Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality |
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| Memory cards allow you to expand the phone's built-in memory, A memory card sometimes called a flash memory card or a storage card is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras | Operating System controls all basic operations of the computer such as smartphone, PDAs, tablet computers and other handheld devices |
The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device.
25| The Operating System allows the user to install and run third party applications apps , apps are used to add new functionality to the device | SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages |
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| The SIM card is most commonly associated with GSM and UMTS mobile networks | RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices |
Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone.
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