If a designer wants to re-design the following logic with minimum logic gates used, describe the first step to get the logic expression in terms of its inputs? Question 7 Name the different types of Numeric and Alpha-numeric codes with their application examples. Question 8 Draw the logic circuit for the following logic function. Y ( B , C,D,E)=BCDE+B C (DE )+ (BC ) D E Question 9 Prove that A + AB = A + B by using the truth table. Question 10 A system is designed to get an input from the user and store the value in the computer. How many parallel output binary data lines will be there in the output and what will be the value for the pressed key? Also clearly mention the LSB and MSB data line. HIGH 9. 8. Binary Coder 8 4 5 2 3 Calculator keypad