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The given expression would be-

F(A,B,C,D)=E(0,2,4,5,6)

where E=Summation

F= Function

A,B,C,D represents binary variables,

Now, for solving this problem, we draw a map with 2m cubes, since here is only 4 binary variables it will be 24 cubes means 16 boxes.

Each row will contain 4 boxes, the numbering of boxes is very important for the solution of the problem,

Numbering for the first block will be- 0,1,3,2

Numbering for the second block will be- 4,5,7,6

Numbering for the third block will be- 12,13,15,14

Numbering for the fourth block will be- 8,9,11,10

The left most and the upper most parts are numbered 00,01,11,10 horizontally as well as vertically

Now, place 1 at all the specified boxes(as per the question i,e;E(0,2,4,5,6,))

See the picture below...

http://sub.allaboutcircuits.com/images14116.png

http://sub.allaboutcircuits.com/images14117.png

Start combining all the adjacent boxes having 1 in it.

Note: all the four corners of the map are adjacent to each other.

http://sub.allaboutcircuits.com/images14118.png

Think it as, when you fold the page it will be together.

When trying to combine the boxes we will first look for 16 boxes all together, whether it can be combined or not(It can only be combined if it is filled with 1).

If not, then we will look for 8 boxes together then 4 the 2 at last 1. No box filled with 1 should remain alone. It must be combined with others, we can use same box to combine a non-combined box.

http://sub.allaboutcircuits.com/images14121.png

http://sub.allaboutcircuits.com/images14124.png

After making all the combinations,

Take anyone of the combination look for it`s rows and column involved in making the combination. take the common variable of column and common variable of row and write it then write + again look for the another combination and repeat the same process for all the combination.

For eg;

From the above example, 2 and 4 can be combined because both are adjacent to each other the value for this combination would be A`CD`.

Try it...

For more clarification mail me at: hussain.ashraf4u@gmail.com

you can download a computer program to minimize k map it is:-

http://www.ziddu.com/downloadlink/15018743/k_map_minimizer.zip.html

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Q: How do you solve karnaugh map?
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Related questions

What does each squares represent on a karnaugh map?

Each square in a Karnaugh map represents a:


Discussion of karnaugh map?

A Karnaugh map is a graphical method used to simplify Boolean algebra expressions. It helps in minimizing the number of logic gates required for a given logic function by identifying patterns and grouping terms. Karnaugh maps are especially useful for functions with up to four variables.


How many times a variable can be used in karnaugh map?

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What is k map?

K-map is actually also known as The Karnaugh map. This is a method to simplify Boolean algebra expressions introduced in 1953.


What is k-map?

K-map is actually also known as The Karnaugh map. This is a method to simplify Boolean algebra expressions introduced in 1953.


What are the types of karnaugh map?

There are three types of Karnaugh maps commonly used in digital electronics: 2-variable, 3-variable, and 4-variable maps. These maps are used to simplify Boolean expressions and aid in the design and analysis of digital circuits. Each type of Karnaugh map is designed to handle a specific number of variables in the Boolean expression.


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The size can be limited to 6 variables and also can be used for simplifying boolean expressions. Is K-map a msnormer?


How many squares does a karnaugh map require for a two-variable boolean equation?

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When was Maurice Karnaugh born?

Maurice Karnaugh was born in 1924.


Why do you need to know about karnaugh maps?

Karnaugh maps are used for simplifying Boolean expressions and optimizing logic circuits. Understanding how to use Karnaugh maps can help you reduce the number of terms in a Boolean function, resulting in simpler and more efficient circuits. It is a valuable tool in digital circuit design and can improve logic design skills.


What are K maps in digital electronics?

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