Anna University Regulation 2013 Information Technology (IT) EC6504 MPMC Important Questions for all 5 units are provided below. Download link for IT 4th SEM EC6504 Microprocessor Microcontroller Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.

**UNIT –I **

**PART-A **

1 Find the octal equivalent of hexadecimal numbers of AB.CD.

2 State and prove the consensus theorem.

3 State the principle of duality.

4 Implement AND gate using only NOR gates.

5 Convert (0.6875)10 to binary.

6 Prove the following using DeMorgan’s Theorm [(x+y)’+(x+y) ‘] ‘=x+y.

7 List the theorems of Boolean algebra.

8 What is Excess-3 code?

9 Compare Gray code and BCD code.

10 What are Universal Gates? Why are they named so?

11 Perform the following code conversions: (1010.10)16 to binary, octal and decimal.

12 Express the following Boolean expression in to minimum number of literals xyz+x’y+xyz’.

13 Can you draw the graph symbol for function F=xy’+x’y.

14 What bit must be complemented to change an ASCII letter from capital to lower case and vice versa?

15 Simplify the following Boolean functions using three variable maps. F(x,y,z)=∑(0,2,3,6,7).

16 Develop or build the following Boolean function with NAND gate F(x,y,z)=(1,2,3,5,7).

17 Distinguish between 1’s and 2’s compliment.

18 What is the concept behind EBCDIC code?

19 What are the limitations of K-map?

20 Design the OR gate using NAND gate.

**PART-B **

1 (i) Define prime implicate and essential prime implicate.

(ii) Describe the procedure obtaining logic diagram with NAND gates from a Boolean function. (8) (8)

2 (i) State and prove DeMorgan’s theorem.

(ii) Describe with short notes on negative and positive logic. (8)

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EC6504 Microprocessor Microcontroller Answer Key free download

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EC6504 Answer Key, MPMC Unit wise Important Questions- IT 4th Semester