What must be done in the given figure in order to use two 7485 4-bit comparators to compare two 8-bit numbers?

mcq9_1006_2

[A].	The P < Q, P = Q, and P > Q outputs of COMP A must be connected to the same outputs of COMP B.
[B].	The P < Q, P = Q, and P > Q outputs of COMP A must be connected to the <, =, and > inputs of COMP B.
[C].	The = input of COMP A must be connected to Vcc, and the < and > inputs must be connected to ground.
[D].	The P < Q, P = Q, and P > Q outputs of COMP A must be connected to the <, =, and > inputs of COMP B, the = input of COMP A must be connected to Vcc, and the < and > inputs must be connected to ground.

Answer: Option D

Explanation:

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