1) Karnaugh maps provide a systematic method for simplifying Boolean expressions and minimizing them to their simplest forms.
2) Karnaugh maps arrange variables in a two-dimensional grid where each cell represents a minterm and adjacent cells differ in only one variable.
3) Expressions can be minimized by grouping adjacent cells containing 1s and eliminating any variables that change across the group's boundaries.
K map or karnaugh's map is a very important topic when studying boolean algebra.
Here is my powerpoint presentation to explain it in the easiest manner.Also I have added a question for your understanding.For the solution please write me up in the comment box.
1. Advantages of Karnaugh Maps
2. SOPS And POPS
3. Properties
4. Simplification Process
5. How to solve the Karenaugh map?
6. Different Types Of K-Maps
7. Presentation Introduction
8. Don't Care Condition
9. Conclution
K map or karnaugh's map is a very important topic when studying boolean algebra.
Here is my powerpoint presentation to explain it in the easiest manner.Also I have added a question for your understanding.For the solution please write me up in the comment box.
1. Advantages of Karnaugh Maps
2. SOPS And POPS
3. Properties
4. Simplification Process
5. How to solve the Karenaugh map?
6. Different Types Of K-Maps
7. Presentation Introduction
8. Don't Care Condition
9. Conclution
It is the adder used to eliminate the wastage of time occur at each stage of parallel binary adder.In this , by using only carry input signal , we can calculate the the carry output without going to calculate carry at each stage.it is commonly used only for 4 bit addition because further calculation will be more complex.
It is the adder used to eliminate the wastage of time occur at each stage of parallel binary adder.In this , by using only carry input signal , we can calculate the the carry output without going to calculate carry at each stage.it is commonly used only for 4 bit addition because further calculation will be more complex.
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Cosmetic shop management system project report.pdfKamal Acharya
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Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
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2. Recap: Boolean Algebra
Simplification of Boolean expressions are
done through Boolean algebra.
The method wasn’t effective.
Solving a problem through Boolean
algebra was a bit tricky
Need skill of applying rules and law.
Doesn’t guarantee simplest form of expression
3. Karnaugh Map
K-map provides a systematic method
For simplifying Boolean expressions and minimizing
expressions.
If properly used, will produce the simplest SOP and
POS.
Similar to truth table, presents all possible values of
input variables and resulting output for each value.
4. Karnaugh Map
Karnaugh map is an array of cells in which each cell
represents a binary value of input variables.
The cells are managed in a way so that simplification of
a given expression is simply a matter of properly
grouping the cells.
Karnaugh maps can be used for expression with two,
three, four and five variables, but we will discuss only 3-
variable and 4-varable situations to illustrate the
principles.
7. 3-variable karnaugh map
The 3-variable karnaugh map is an array
of eight cells.
In this case A, B and C are used for the
variables although other letters could be
used.
Binary values of A is along the left side
and the value of B and C is across the top.
8. The 3-variable Karnaugh map
The value of a given cell is the binary
values of A at the left in the same row
combined with the value of B and C at
the top in the same column.
For example: the cell in the upper left
corner has a binary value of 000 and the
cell in the lower right corner has a binary
value of 110.
10. The 4-variable karnaugh map
The 4-variable karnaugh map is an array
of sixteen cells
Binary values of A and B are along the left
side and the values of C and D are across
the top.
The value of a given cell is the binary
value of A and B at the left in the same row
combined with the binary values of C and
D at the top of the same column.
12. Grouping & Adjacent Cells
K-map is considered to be wrapped around
All sides are adjacent to each other
Adjacent cells which has 1’s in SOP can be grouped
together in 2’s power.
2 adjacent cells can be grouped (pair)
4 adjacent cells can be grouped (Quads)
8 adjacent cells can be grouped (octets)
Groups can be row, column, square or rectangular.
Groups of diagonal cells are not allowed
13. Mapping of Standard SOP
expression
Selecting n-variable K-map
1 marked in cell for each minterm
15. Cell Adjacency
The cells in a karnaugh map are arranged
so that there is only a single-variable
change between adjacent cells.
Adjacency is defined by a single variable
change.
Cells with values that differ by more than
one variable are not adjacent.
17. Continued ( simplification
through K maps)
Karnaugh map is used for simplifying
Boolean expressions to their minimum
form.
A minimized SOP expression contains the
fewest possible terms with the fewest
possible variables per term.
Generally a minimum SOP expression can
be implemented with fewer logic gates
than a standard expression.
41. 0 1
00
01
11
10
AB
C
Cells are usually labeled using 0’s and 1’s to represent the
variable and its complement.
Gray
code
Karnaugh maps
Ones are read as the true variable
and zeros are read as the
complemented variable.
The numbers are entered in gray
code, to force adjacent cells to be
different by only one variable.
42.
43. 1. Group the 1’s into two overlapping
groups as indicated.
2. Read each group by eliminating any
variable that changes across a
boundary.
3. The vertical group is read AC.
K-maps can simplify combinational logic by grouping
cells and eliminating variables that change.
Karnaugh maps
1
1 1
AB
C
00
01
11
10
0 1
1
1 1
AB
C
00
01
11
10
0 1
Group the 1’s on the map and read the minimum logic.
B changes
across this
boundary
C changes
across this
boundary
4. The horizontal group is read AB.
X = AC +AB
44. X
Karnaugh maps
Group the 1’s on the map and read the minimum logic.
1. Group the 1’s into two separate
groups as indicated.
2. Read each group by eliminating
any variable that changes across a
boundary.
3. The upper (yellow) group is read as
AD.
4. The lower (green) group is read as
AD.
AB
CD
00
01
11
10
00 01 11 10
1 1
1 1
1
1
1
1
AB
CD
00
01
11
10
00 01 11 10
1 1
1 1
1
1
1
1
X = AD +AD
B changes
C changes
B changes
C changes across
outer boundary
45. Related Example
Minimize the following SOP expression,
F(x, y, z) = Σ(0,2,6,7)
F(x, y, z) = Σ(0,2,3,4,6)
F(x, y, z) = Σ(0,1,2,3,7)
F(x, y, z) = Σ(3,5,6,7)
F(x, y, z) = Σ(0,1,5,7)
F(x, y, z) = Σ(0,1,6,7)
F(x, y, z) = Σ(1,2,3,6,7)