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Question

Instruction CBI PORTB,1 means

a.

clearing the PORTB register

b.

clearing the first bit of the PORTB register

c.

setting the PORTB register

d.

setting the first bit of the PORTB register

Posted under Computer Architecture

Answer: (b).clearing the first bit of the PORTB register

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Q. Instruction CBI PORTB,1 means
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