Algorithms and data structures(Lecture # 01)
Here I am going to teach you data structures and
algorithms tutorial
Our First lecture is about Algorithm Design Analysis
It is the advance
subject of Data Structure’s. Word Data Structure can be divided into two
Phenomenons.
Data Structure
1) Data;
I.
Data means raw facts and figures
i.e.
·
Alphabets (AaZz)
·
Numerical (09)
·
Special Characters
·
Audios
·
Images
·
Videos
II.
Data Communication;
·
Anything that can be
transmission lines ;
i.e.
 ·
Alphabets (AaZz)
 ·
Numerical(09)
 ·
Special Characters
 ·
Adios
 ·
Images
 ·
Videos
Answer: Anything that
can be processed using computers is data.
This may be;
 ·
Alphabets (AaZz)
 ·
Numerical(09)
 ·
Special Characters
 ·
Adios
 ·
Images
 ·
Videos
·
Processing
is done using some software e.g. program
2) Structure;
Means Shape, Structure can make process easier and fast.
For Example;
If I call to someone and tell exact full address with real scenario;
You will reach in just 10mint if you follow the following address;
ZK Updates,
H#12, St#15.
Sector # J3,
Phase # 2,
·
Now by Data Structures we know/mean to give structures to data such that
it can be processed by computers in shortest possible intervals of time.
For example;
Humans =>19+22=41 when a human being
calculates this then it will take about 1 sec.
But a computer can perform 1
billion such tasks in 1 sec.
·
Data may be organized in many different ways; the logical or mathematical
organization of data is called Data Structure.
Data Arrangement;
There
are types of data arrangement;
1)
Single Data Item
·
The single Data Item first of all we Structure the data,
·
And the Structured Data may be in Physical data Structure.
 ð Techniques used to
store data physically on secondary storage,
 ð Machines are already
know them, predefined,
 Machine level
Instruction e.g. int ,float ,long ,bool
,char
2)
Collection Of Data Items
·
Collection Of Data Items means more than One,
 ð You need to understand
relationship develop/design among data items
For Example;
Id
Name
Add
123
Abc
Isl
425
Gcd
Pesh
789
Wer
Kar
Logical Data Structures:
The arrangement of logical data structure is divided into two types;
 1) Linear Data Structures
ð
Follow the property of
linear
·
Property of linearity
“An element in a linear
list is preceding and followed by exactly one element, except the first element
which is not preceding by any element and last element, which is not followed
by any element.”
For Example;
Fig. 1
Other examples are:
Array and Stacks
 2) Non Linear Data Structure
 ð
They don’t follow the
linear property
·
Means an element can be followed
by more than elements.
For Example;
Fig.2
Types of Data Structure:
As we discussed in the
above example Data Structure have two types
 1) Logical Data Structure(Linear D.S)
 2) Physical Data Structure
Here I am going to teach you data structures and
algorithms tutorial
Our First lecture is about Algorithm Design Analysis
Our First lecture is about Algorithm Design Analysis
It is the advance
subject of Data Structure’s. Word Data Structure can be divided into two
Phenomenons.
Data Structure
1) Data;
I.
Data means raw facts and figures
i.e.
·
Alphabets (AaZz)
·
Numerical (09)
·
Special Characters
·
Audios
·
Images
·
Videos
II.
Data Communication;
·
Anything that can be
transmission lines ;
i.e.
 · Alphabets (AaZz)
 · Numerical(09)
 · Special Characters
 · Adios
 · Images
 · Videos
Answer: Anything that
can be processed using computers is data.
This may be;
 · Alphabets (AaZz)
 · Numerical(09)
 · Special Characters
 · Adios
 · Images
 · Videos
·
Processing
is done using some software e.g. program
2) Structure;
Means Shape, Structure can make process easier and fast.
For Example;
If I call to someone and tell exact full address with real scenario;
You will reach in just 10mint if you follow the following address;
ZK Updates,
H#12, St#15.
Sector # J3,
Phase # 2,
·
Now by Data Structures we know/mean to give structures to data such that
it can be processed by computers in shortest possible intervals of time.
For example;
Humans =>19+22=41 when a human being
calculates this then it will take about 1 sec.
But a computer can perform 1
billion such tasks in 1 sec.
·
Data may be organized in many different ways; the logical or mathematical
organization of data is called Data Structure.
Data Arrangement;
There
are types of data arrangement;
1)
Single Data Item
·
The single Data Item first of all we Structure the data,
·
And the Structured Data may be in Physical data Structure.
 ð Techniques used to store data physically on secondary storage,
 ð Machines are already know them, predefined,
 Machine level Instruction e.g. int ,float ,long ,bool ,char
2)
Collection Of Data Items
·
Collection Of Data Items means more than One,
 ð You need to understand relationship develop/design among data items
For Example;
Id

Name

Add

123

Abc

Isl

425

Gcd

Pesh

789

Wer

Kar

Logical Data Structures:
The arrangement of logical data structure is divided into two types;
 1) Linear Data Structures
ð
Follow the property of
linear
·
Property of linearity
“An element in a linear
list is preceding and followed by exactly one element, except the first element
which is not preceding by any element and last element, which is not followed
by any element.”
For Example;
Fig. 1
Other examples are:
Array and Stacks
 2) Non Linear Data Structure
 ð They don’t follow the linear property
·
Means an element can be followed
by more than elements.
For Example;
Fig.2
Types of Data Structure:
As we discussed in the
above example Data Structure have two types
 1) Logical Data Structure(Linear D.S)
 2) Physical Data Structure
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