Author Question: Approximately how much current would be required to operate the number 6 on a 7-segment LED display ... (Read 62 times)

fasfsadfdsfa · **on:** Jul 27, 2018

Approximately how much current would be required to operate the number 6 on a 7-segment LED display if each segment requires 10 mA?

A) 60 mA B) 40 mA C) 50 mA D) 70 mA

Question 2

An eight input multiplexer can easily be converted for use as a parallel to serial converter. What would be the appropriate way to sequence the data select inputs?

A) Use three synchronous FF's as converters. B) Use three Asynchronous FF's as converters.
C) Use a MOD 8 Asynchronous converter. D) Both A and C