Previous year question paper for DE (B-TECH Electronics and Communication Engineering 4th)

1. Introduction to digital electronics lab- nomenclature of digital ICs, specifications, study of the data

sheet, concept of Vcc and ground, verification of the truth tables of logic gates using TTL ICs.

2. Implementation of the given Boolean function using logic gates in both SOP and POS forms.

3. Verification of state tables of RS, JK, T and D flip-flops using NAND & NOR gates.

4. Implementation and verification of Decoder/De-multiplexer and Encoder using logic gates.

5. Implementation of 4x1 multiplexer using logic gates.

6. Implementation of 4-bit parallel adder using 7483 IC.

7. Design, and verify the 4-bit synchronous counter.

8. Design, and verify the 4-bit asynchronous counter.

 9. Static and Dynamic Characteristic of NAND and Schmitt-NAND gate(both TTL and

 MOS)

 10 Study of Arithmetic Logic Unit.

 11. Mini Project.