Question

Considering Dot matrix display write an assembly language code such that when user press “1” first character of your first name appears on dot matrix display and when user press “2” first character of your middle name should display on dot matrix display.
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Answer 1

Answer:

see here

Explanation:

so sorry for that but have an not idea how to do this question dear so sorry for that

Answer 2

Answer:

A Digital Decoder IC, is a device which converts one digital format into another and one of the most commonly used devices for doing this is called the Binary Coded Decimal (BCD) to 7-Segment Display Decoder.1. The Common Cathode Display (CCD) – In the common cathode display, all the cathode connections of the LED’s are joined together to logic “0” or ground. The individual segments are illuminated by application of a “HIGH”, logic “1” signal to the individual Anode terminals.

2. The Common Anode Display (CAD) – In the common anode display, all the anode connections of the LED’s are joined together to logic “1” and the individual segments are illuminated by connecting the individual Cathode terminals to a “LOW”, logic “0” signal.