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# CS302 Assignment no#3 / Due Date: 11 January, 2017

Assignment No. 03
Semester: Fall  2016
Digital Logic Design – CS302

Lectures:18-25

Total Marks: 20

Due Date: 11 Jan, 2017

Objectives:

Learn about programmable circuits, latches and flip flops

Instructions:

It should be clear that your assignment will not get any credit if:

• The assignment is submitted after due date.
• The assignment is submitted via email.
• The assignment is copied from Internet or from any other student.
• The submitted assignment does not open or file is corrupt.
• It is in some format other than .doc/docx.

Note: All types of plagiarism are strictly prohibited.

For any query about the assignment, contact at CS302@vu.edu.pk

Important!

You have to provide all the steps of processing in all questions otherwise, marks will be deducted. Pictures of hand written/drawn diagram will also be marked as ZERO.

Question No. 01                                                                                                                         Marks 10

Suppose we have a digital circuit expressed through the following truth table. You have to implement its circuit using PLA with minimum cost (minimum number of product terms).

 A B C D Y 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 1 1 0 0 1 0 0 0 0 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1 0 0 0 0 1 0 0 1 1 1 0 1 0 0 1 0 1 1 1 1 1 0 0 0 1 1 0 1 1 1 1 1 0 1 1 1 1 1 1

Question No. 02                                                                                                                         Marks 10

Suppose the light signs of a shop are continuously blinking after every 2 seconds. You have been given information that input pulse provided to the lighting circuitry is clocking at a rate of 4 Hz.

Now, your task is to identify the number of J-K flip flops used to make your circuit blink every 2 seconds and draw the timing diagram of this circuit for every output like F0, F1 etc.

BEST OF LUCK

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in J-K flip flop in which sequence we take input?
i don't get what to ask in assignment question?
can anyone discuss here

This is one confusing assignment, first question we are asked to draw a circuit and second question we are asked to draw a timing diagram, can anyone tell which lecture will help to solve the assignment.. Specific lectures

Dear Students Don’t wait for solution post your problems here and discuss ... after discussion a perfect solution will come in a result. So, Start it now, replies here give your comments according to your knowledge and understandings....

Asslam-u-Alaikum,

Tariq bhai i do respect your aim and motivation for all students, but time given is very little and discussion will end up where, and discussion take place in between some knowledgeable personalities. Everyone browses such site for solutions, i hope you got my idea.

Regards,

Omer

Question No 1:

Jaha jaha y ki value zero is part ko ignore kar day

Y=A'B'C'D'+A'BC'D+A'BCD'+A'BCD+AB'C'D+AB'CD+ABC'D+ABCD'+ABCD

Please simplify this expression by using K-map or Quine mac method se agar koi part hal kar lay tu me is ko circuit bana do

K-map use kr k term bana li hy, Table kesy bny ga,?

can you show your K-m map

plz ...

give your idea.   todays is last date...

plz koi to upload kar do solution

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