VLSI-Design-Question-Bank-EC6601-Regulation-2013-Anna-University
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VLSI Design Question Bank EC6601 Regulation 2013 Anna University

VLSI Design Question Bank EC6601

VLSI Design Question Bank EC6601 Regulation 2013 Anna University free download. EC6601 Question Bank pdf file download VLSI Design Question Bank.

Sample VLSI Design Question Bank:

1.How path can be implemented in VLSI system?

A data path is best implemented in a bit –sliced fashion. A single layout is used respectively for every bit in the data word. This regular approach eases the design effort and results in fast and dense layouts.

2.Comment on performance of ripple carry adder.

A ripple carry adder has a performance that is linearly proportional to the number of bits. Circuit optimizations concentrate on reducing the delay of the carry path. A number of circuit topologies exist providing that careful optimization of the circuit topology and the transistor
sizes helps to reduce the capacitance on the carry bit.

3.What is the logic of adder for increasing its performance ?

Other adder structures use logic optimizations to increase the performance (carry bypass, carry select, carry lookahead). Performance increase comes at the cost area.

4.What is multiplier circuit ?

A multiplier is nothing more than a collection of cascaded adders. Critical path is far more complex and optimizations are different compared to adders.

5.Which factors dominate the performance of programmable shifter ?

The performance and the area of a programmable shifter are dominated by the wiring.

6.What is meant by data path ?

A datapath is a functional units, such as arithmetic logic units or multipliers, that perform data processing operations, registers and buses. Along with the control unit it composes the central processing unit.

 

Subject Name VLSI Design
Subject code EC6601
Regulation 2013

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