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Digital Arithmetic Operations and Circuits - Technical MCQs

Q1:

The 74HC382 ALU can perform ________ operations.

A 2

B 4

C 8

D 16

ANS:C - 8

74LS382 (TTL) and as a 74HC382 (CMOS). This 20-pin IC operates on two four-bit input numbers, A^AjA^Aq and B^B2BiB0, to produce a four-bit output result F^F2FxF0.

This ALU can perform EIGHT different operations at any given time.