- 05/22/2019 at 11:41 am #956054EduGorillaKeymasterSelect Question Language :
A mobile software has been developed which consists of four switches, each of these switches can be in either the ON or the OFF
positions. A switch when pressed will toggle its position i.e. if an ON switch is pressed it will become OFF and vice-versa.
The initial position of the four switches is ON OFF ON OFF. A software glitch allows you to press any two adjacent switches at a
time. How many different configurations can you get by repeated pressing of any two adjacent switches?
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