A Robot is an automated machine that has the ability to carry out certain functions without any human control, its functions can be programmed and inserted into its memory, hence; it performs all the functions according to the program written in the memory, a good example of a robotic machine, is the ATM machine usually employed by banks for the purpose of dispensing cash to their customers.

However, a superior category of robots known as the artificial intelligence robots have exceedingly greater functionality than normal robots, they operate with programs and sensors, having the ability to take decisions on their own based on logic reasoning, and can correct humans when mistakes are detected. They had been predicted to replace humans in activities in the future.

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