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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 30 times)

storky111

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Posts: 561

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

Sr. Member
Posts: 343

Reply #1 on: Jul 28, 2018

Answer to Question 1

B

Answer to Question 2

A

storky111

Hero Member
Posts: 561

Reply #2 on: Jul 28, 2018

bob

Sr. Member
Posts: 343

Reply #3 on: Jul 28, 2018

You're welcome

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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 30 times)

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