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Author Question: What type of crystal drives the 8051 circuitry? A) 100 MHz B) 12 MHz C) 18 MHz D) 60 ... (Read 13 times)

storky111

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on: Jul 28, 2018
What type of crystal drives the 8051 circuitry?
 
  A) 100 MHz B) 12 MHz C) 18 MHz D) 60 MHz

Question 2

If the output of an astable 555 timer is LOW for 45 ms and HIGH for 59 ms, the duty cycle is
 
  A) 56.7 B) 77.4 C) 85 D) 67.8


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bob

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

B

Answer to Question 2

A


storky111

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Reply #2 on: Jul 28, 2018
TY


bob

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


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