1)
Please refer to FIGURE 1 of Laboratory 2.
2)
3)
Ae B C D |
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0
0 0 0
0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 |
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7)
Component requirement listing:-
Gates Type
Number Q
A AND
7408
2
B NOT
7404
1
C NOR
7486
1
TOTAL 4
8) 2-bit multiplier.
9) Minimising the number of IC to be used. A 4-bit input AND gate is 7421. Using the remaining available 2-input AND gate in the second chip (ICs) to realise output R3 maximises the usage at the available gates.