Write short notes on :
a) Joystick
b) Biometric Sensor
c) Motherboard
d) Secondary Memory
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Answer:
d) ans=Secondary memory can be used to store unlimited data.
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Explanation:
joystick:-A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.
Biometric Sensor:-Biometric sensors are used to collect measurable biological characteristics (biometric signals) from a human being, which can then be used in conjunction with biometric recognition algorithms to perform automated person identification.
mother board:-A motherboard is the main printed circuit board in general-purpose computers and other expandable systems.
secondary memory:-Secondary memory refers to storage devices, such as hard drives and solid state drives.
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