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Author Question: How frequently do all rows in a 2118 dynamic RAM need to be refreshed? A) every millisecond B) ... (Read 55 times)

mwit1967

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on: Jul 28, 2018
How frequently do all rows in a 2118 dynamic RAM need to be refreshed?
 
  A) every millisecond B) every 50 milliseconds
  C) every 2 milliseconds D) every second

Question 2

Decoders used to drive common-cathode LEDs must have
 
  A) active HIGH outputs. B) low ripple characteristics.
  C) active LOW outputs. D) a blanking output.


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sarahccccc

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

C

Answer to Question 2

A


mwit1967

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Reply 2 on: Jul 28, 2018
Gracias!

Dnite

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Reply 3 on: Yesterday
Wow, this really help

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