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Microprocessors - Engineering

Q1:

Consider the following tasks in a micro computer
  1. Receiving data and instruction
  2. Performing arithmetic computation
  3. Performing logical computations
  4. Storing data and instructions
Which of the above are performed by ALU?

A 2 only

B 2 and 3 only

C 1, 2 and 3 only

D All

ANS:B - 2 and 3 only

ALU performs arithmetic and logical computations.