Use ancilla in a sentence. an aid for use as in understanding or accomplishing something; often, specif., a handbook, or manual. Origin of ancilla. see ancillary.
Making the world better, one answer at a time. The accelerometer in mobiles is used to measure the orientation or vertical and horizontal positioning of the phone. The most basic application of this is the device knowing when to alternate the view of the screen depending on how you are holding it.
One of the more common examples of the modern accelerometer is known as a MEMS device. Essentially, the MEMS or micro electro-mechanical system is a simple device that functions mainly with the use of a cantilever beam and circuits that are designed for the purpose of detecting the presence of deflection sensing.