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    Tablet Attributes:
    Performance     Build     Display     Portability
    Battery Life     Connectivity    Sensor Ability    
    Tablet Attributes

    Must know before buying a Tablet


    By Dec 03, 2016

    The specifications criteria for Tablet is similar to the Laptop as applicable with few variations. We'll discuss them as below.

    1. Tablet Processor :
    The critical factor for Performance is the Processor Core Frequency, number of cores and threads. Check on the RAM storage capacity. Tablets with RAM upto 4GB are available. Upgradability could not be an option as the RAMs are usually soldered on the Tablet Mother Board unlike laptop which has slots to plug in the RAMs. The cache is limited in size and L3 Cache may not be there unlike Laptops. Speaking only about the Tablets , A multiple core Processor with higher frequency with higher cache and RAM size would always have more fire power relatively.

    2. Tablet Battery :
    Tablets come with Lithium Ion or Lithium Polymer batteries. Li-Polymer is thinner and flexible and Li-Ion is rigid and thicker. Thin Tablets usually contain a Li-Polymer battery. Li-Polymey battery is actually a Li-Ion Polymer battery with no major additional energy driving capacity. There is no additional advantage other than being thinner and lighter when compared to a Li-Ion battery but would increase the overall cost of your tablet.

    3. Tablet Connectivity :
    All the ports we discussed in considerations for buying Laptops are applicable for tablets aswell with the difference in Port sizes. The ports are usually mini or micro ports with size much lesser size than the normal ones. Serial Ports like Micro and Mini USB, Mini Display Port or Micro HDMI each with specific generations and transfer speeds are supported. Additional support for standards like Mobile High Definition Link (MHL) and USB Type C needs to be checked. With MHL you may directly connect your tablet with HD Television when playing multimedia. USB Type C is very versatile and allows direct charging of the tablet by televisions or monitors. USB Type C has a reduced connector size and can connect to any host( PC USB Type A connector) supporting any USB standard. Prior to USB C standard, the devices usually had a USB Type B or AB connector. USB C is one connector that would probably replace all existing USB connectors on your devices while keeping the underlying technology like USB2/USB3/USB3.1 intact.
    Wireless, Bluetooth and option for SIM slot needs to be looked at based on the requirement.

    4. Tablet Display :
    The principes in selecing the display remains same as mentioned in the laptop section. Clarity of picture is the key. A 10 inch display with same clarity as a 7 inch Tablet display is better. Clarity depends on the Pixel count and the proximity of the pixels from each other for a given display size. Pixel Density that is PPI or Pixel per Inch would provide this information. In general a 2048 X 1536 pixels is better resolution than 1920x1080 pixels and 1280 X 800 displays. Colour combinations and quality can play their role in selection. Higher colour combinations essentially means higher digital RGB combinations a display can support. The Tablet displays are usually Capacitive that provides multi-touch capability and can also be used outdoors.

    5. Tablet Sensor Ability : The different sensors available in the Tablets are Gyroscope, Accelerometer, Ambient Light Sensor, Proximity Sensor, Barometer, Temperature Sensor and Finger Print Sensor.Each sensor serves a specific purpose, let's discuss each one in short.
    Gyroscope and Accelerometer : Have you noticed how the tablet responds while gaming or while rotating the screen or taking certain actions when shaken.The responsible sensors for this purpose are Accelerometer and Gyroscope. Accelerometer provides sensing Linear acceleration based on vibration from a constant position and Gyroscope senses orientation based on rotation. While Accelerometer is commonly found in tablets, Gyroscope is a must for Gaming tablets.
    Ambient Light Sensor : Controls the brightness based on different light scenerios, the auto mode for brightness in the tablet
    Proximity Sensor : Takes certain actions based on the proximity of the tablet from nearby objects.
    Barometer: This sensor helps you when there is a sudden change in the atmospheric pressure in certain scenerios, say when you are trekking to higher altitudes. Tablet with GPS would just do that, but would keep your battery draining.
    Finger Print Sensor : Enhances the security of the tablet from unwanted accessibility.

    6. Tablet Camera :
    The Primary camera is mainly used for Photos and video recording.Sensor type,Sensor size, Image Resolution,Video Resolution, Frames per second specification of the camers needs to be looked into. Larger sensors with less pixel density and low resolution provide better image quality. Image Resolution specifications provide information on the number of pixels available for clicking photos and Video resolution provides the pixels available for videos. Information about the number of Frames per second for taking videos is important. Features like Digital Zoom, Scene Mode and Auto-Focus can be looked at.
    The seconday camera is for Video conferencing and gesture recognition provided with the same specifications as the Primary camera.

    Other specifications like Internal Storage, maximum external strorage supported, size and weight of the tablet would play their role in arriving at an appropriate decision.


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