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Author Question: How must MR1 and MR2 be connected before a 7490, 7492, or 7493 counter can function? A) MR1 or ... (Read 147 times)

krzymel

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on: Jul 28, 2018
How must MR1 and MR2 be connected before a 7490, 7492, or 7493 counter can function?
 
  A) MR1 or MR2 must be LOW. B) MR1 must be LOW, MR2 must be HIGH.
  C) MR1 and MR2 must be HIGH. D) MR1 must be HIGH, MR2 must be LOW.

Question 2

If one input of a two-input NAND gate is tied to +Vcc, the NAND functions as
 
  A) a NOR gate. B) an AND gate. C) an OR gate. D) an inverter.


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Jbrasil

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


krzymel

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Reply #2 on: Jul 28, 2018
TY


Jbrasil

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Reply #3 on: Jul 28, 2018
You're welcome


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