Computer Science and Engineering Computer Organisation and Architecture Lab Experiments

Design of Arithmetic Logic Unit:

Components Required:

To build any 4 bit ALU, we need :

  1. AND gate, OR gate, XOR gate
  2. Full Adder
  3. 4-to-1 MUX
  4. Wires to connect. In case of counters the number of flip-flops depends on the number of different states in the counter.

Circuit of 3 input AND Gate:

Circuit of 4 input OR gate Gate:

Circuit of 4:1 Multiplexer using NAND Gate:

Circuit of Full Adder:

Circuit of 1-bit ALU:

  • Follow the below manual and perform the experiment