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Arithmetic logic unit
I.   perform arithmetic operations
II.  store data
III. perform comparison
IV.  communicate with input devices
from above the correct one is

Arithmetic logic unit
I.   perform arithmetic operations
II.  store data
III. perform comparison
IV.  communicate with input devices
from above the correct one is Correct Answer I and III only

An arithmetic logic unit (ALU) is a combinational digital electronic circuit that performs arithmetic and bitwise operations on integer binary numbers.

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