[Answered] How must MR1 and MR2 be connected before a 7490, 7492, or 7493 counter can function? A) MR1 or ...

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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 160 times)

krzymel

Hero Member
Posts: 548

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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Marked as best answer by a Subject Expert

Jbrasil

Sr. Member
Posts: 337

Reply #1 on: Jul 28, 2018

Answer to Question 1

A

Answer to Question 2

D

krzymel

Hero Member
Posts: 548

Reply #2 on: Jul 28, 2018

Jbrasil

Sr. Member
Posts: 337

Reply #3 on: Jul 28, 2018

You're welcome

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