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Computer Hardware - Engineering

Q1:

What is the main communication method from one PDA to another PDA?

A IR

B USB

C RS-232

D IEEE 1394

E None of the above

ANS:A - IR

IR (Infrared).

An infrared receiver, or IR receiver, is hardware that sends information from an infrared remote control to another device by receiving and decoding signals. In general, the receiver outputs a code to uniquely identify the infrared signal that it receives.