BUN INSTRUCTION

morris mano assembly level language

4TIMES CIR

morris mano assembly level language

4TIMES CIL

morris mano assembly level language

CLE,CME INSTRUCTION

morris mano assembly level language

CIL INSTRUCTION

morris mano assembly level language

CIR INSTRUCTION

morris mano assembly level language

circular right shift instruction

java theory question set 4

BALAGURUSAMY CHAPTER 4::

SL. NO	QUESTION	MARKS	PAGE NO	LINK1	LINK2	LINK3
1.	PRIMITIVE ,NON PRIMITIVE DATA TYPES	2	46
2.	SIZE AND RANGE OF DATA TYPES	2	48
3.	SCOPE OF VARIABLES	2	51
4.	TYPE CASTING	2	53
5.	AUTO TYPE CASTING	2	53
6.	DEFAULT VALUE OF DATA TYPE	2	57

java theory question set 3

BALAGURUSAMY CHAPTER 3::

SL. NO	QUESTION	MARKS	PAGE NO	LINK1	LINK2	LINK3
1.	WHY MAIN() IS STATIC	2	26
2.	TOKEN	2	30
3.	LITERALS		33
4.	SEPARATORS		34
5.	CLASSIFICATION OF JAVA STATEMENTS		36
6.	JAVA VIRTUAL MACHINE		39
7.	COMMAND LINE ARGUMENT		40

java theory question set 2

 BALAGURUSAMY CHAPTER 2::

SL. NO	QUESTION	MARKS	PAGE NO	LINK1	LINK2	LINK3
1.	COMPILER AND INTERPRETER	4	13
2.	BYTECODE	2	13
3.	JVM
4.	COMPARE WITH C AND C++	3	15
5.	JAVA DEVELOPMENT TOOLS		TABLE 2.3
6.	APPLICATION PROGRAMMING INTERFACE		22

java theory question set 1

    BALAGURUSWAMY CHAPTER 1::

SL. NO	QUESTION	MARKS	PAGE NO	LINK1	LINK2	LINK3
1.	DATA ABSTRACTION	2	4
2.	ENCAPSULATION	2	4
3.	INHERITANCE	2	4
4.	POLYMORPHISM	2	5
5.	DYNAMIC BINDING	2	6
6.	MESSAGE COMMUNICATION	2	6
7.	BENEFIT OF OOPS	3	8

COMPUTER ARCHITECTURE LAB ASSIGNMENT

1.	LDA , STA instruction IN COMPUTER ARCHITECTURE	LINK
2.	addition of two hexadecimal numbers	LINK
3.	addition of three hexadecimal numbers	LINK
4.	1'S COMPLEMENT OF A NUMBER	LINK
5.	2'S COMPLEMENT OF A NUMBER	LINK
6.	SUBTRACTION of two hexadecimal number	LINK
7.	LDA DIRECT MODE , INDIRECT MODE	LINK
8.	STA direct mode indirect mode	LINK
9.	ADD DIRECT MODE INDIRECT MODE	LINK
10.	AND INSTRUCTION DIRECT INDIRECT MODE	LINK
11.	OR OPERATION USING AND INSTRUCTION	LINK
12.	ADDITION OF TWO DECIMAL ADDITION	LINK
13.	CIR INSTRUCTION	LINK
14.	CIL INSTRUCTION	LINK
15.	CLE,CME INSTRUCTION	LINK
16.	4TIMES CIL	LINK
17.	4TIMES CIR	LINK
18.	BUN INSTRUCTION	LINK
19.	ISZ INSTRUCTION	LINK
20.	SPA INSTRUCTION	LINK
21.	SNA INSTRUCTION	LINK
22.	SZA INSTRUCTION	LINK
23.	SZE INSTRUCTION	LINK

   

POINTER

1. int array and int pointer in c language  LINK

2. char pointer and char array in c language LINK

OPERATOR IN C LANGUAGE

UNARY ++ - LINK

UNARY --     LINK

OUTPUT OF printf("%d %d %d ", x++,x,++x ) LINK

C PRACTICAL

1. BASIC  

2. IF-ELSE

3. LOOP

4. NESTED LOOP

5. POINTER  -- LINK

6. PREFIX , POSTFIX OPERATOR  -- LINK

ADDITION OF TWO DECIMAL ADDITION

ADDITION OF TWO DECIMAL ADDITION 

OR OPERATION USING AND INSTRUCTION BY BIJAN KRISHNA PAUL

                   OR OPERATION USING AND INSTRUCTION 

sta direct mode indirect mode BY BIJAN KRISHNA PAUL

                                  sta direct mode indirect mode BY BIJAN KRISHNA PAUL

AND INSTRUCTION DIRECT INDIRECT MODE BY BIJAN KRISHNA PAUL

           AND INSTRUCTION DIRECT INDIRECT MODE BY BIJAN KRISHNA PAUL

ADD DIRECT MODE INDIRECT MODE BY BIJAN KRISHNA PAUL

                  ADD DIRECT MODE INDIRECT MODE BY BIJAN KRISHNA PAUL

LDA DIRECT MODE INDIRECT MODE BY BIJAN KRISHNA PAUL

                             LDA DIRECT MODE INDIRECT MODE BY BIJAN KRISHNA PAUL

char pointer and char array in c language

                                                   char pointer and char arrray in c language 

int array and int pointer in c language

                                                   int array and int pointer in c language

printf("%d %d %d ", x++,x,++x ) in c language

printf("%d %d %d ", x++,x,++x ) in c language

prefix-- ,postfix-- in c language example

                                  prefix-- ,postfix-- in c language example 

postfix++,prefix++ unary operator in c language example

postfix++,prefix++ unary operator in c language example

SUBTRACTION of two hexadecimal number

SUBTRACTION of two hexadecimal number

2S COMPLEMENT OF A NUMBER

1'S COMPLEMENT OF A NUMBER

1'S COMPLEMENT OF A NUMBER

addition of two hexadecimal numbers

addition of two hexadecimal numbers

addition of three hexadecimal  numbers

                             LDA STA instruction IN COMPUTER ARCHITECTURE

West Bengal Board class 11 visual basic program 4. get input from inputbox and check it is positive negative or zero

West Bengal Board class 11 visual basic program 4. get input from inputbox and check it is positive negative or zero

Get input using inputbox, and then check it is positive or negative or zero in vb6,print using msgbox (visual basic)

Private Sub Form_Load()

Dim a As Integer

a = Int(InputBox("enter a number"))

If a = 0 Then

MsgBox (a & "is zero")

ElseIf a > 0 Then

MsgBox (a & "is positive")

Else

MsgBox (a & "is nagetive")

End If

 End Sub

West Bengal Board class 11 visual basic program 3. get input using inputbox and then sum of digit

West Bengal Board class 11 visual basic program 3. get input using inputbox and then sum of digit

Get input using inputbox, and then sum of digits (2digit) and display using msgbox in vb6(visual basic)

Private Sub Form_Load()

Dim a, b, c As Integer

a = Int(InputBox("enter a number"))

b = a Mod 10

c = a \ 10

d = b + c

MsgBox (d)

End Sub

West Bengal Board class 11 visual basic program 2. input a number and check it is even or odd

West Bengal Board class 11 visual basic program 2. input a number and check it is even or odd

West Bengal Board class 11 visual basic program 1. input numbers using inputbox and then print sum

West Bengal Board class 11 visual basic program 

1.  input  numbers using inputbox and then print sum

DATA STRUCTURE AND ANALYSIS OF ALGORITHM THEORY

1.  ADT

2.  ARRAY

3.  STACK

4. QUEUE

5. LINK LIST

6. CIRCULAR LINK LIST

7. DOUBLY LINK LIST

8. SEARCHING - CLICK HERE

9. SORTING - CLICK HERE

10. HASHING

11. BINARY TREE

12. HASHING

13. GRAPH THEORY ALGORITHMS  - CLICK HERE

14. RED-BLACK TREE. - i ) insertion - CLICK HERE

SORTING

    CONCEPT AND ALGORITHM
1. BUBBLE SORT  -  CLICK HERE
2. SELECTION SORT - CLICK HERE
3. INSERTION SORT - CLICK HERE
4. MERGE SORT - CLICK HERE
5. QUICK SORT - CLICK HERE
6. HEAP SORT - CLICK HERE 
7. RADIX SORT - CLICK HERE
8. BUCKET SORT
9. SHELL SORT

COMPARISON AND  COMPLEXITY

1. BUBBLE SORT
2. SELECTION SORT
3. INSERTION SORT
4. MERGE SORT
5. QUICK SORT
6. HEAP SORT
7. RADIX SORT
8. BUCKET SORT
9. SHELL SORT

BUBBLE SORT CONCEPT AND ALGORITHM

BUBBLE SORT CONCEPT AND ALGORITHM

🎯 What is Bubble Sort?

Bubble Sort is a simple sorting algorithm that repeatedly compares adjacent elements and swaps them if they are in the wrong order.

Large elements “bubble up” to the end of the list, like bubbles in water — hence the name.

---

📌 Definition

Bubble Sort is a comparison-based sorting algorithm in which adjacent elements are repeatedly swapped if they are in the wrong order until the array becomes sorted.

---

🧠 How Bubble Sort Works

Steps:

1. Compare first two elements
2. Swap if left > right
3. Move one position ahead
4. Repeat for entire array
5. After each pass, largest element moves to the end
6. Repeat until sorted

---

📊 Example

Unsorted Array:

A = [5, 1, 4, 2, 8]

---

🔁 Pass 1

Comparison	Action
5 > 1	Swap → [1, 5, 4, 2, 8]
5 > 4	Swap → [1, 4, 5, 2, 8]
5 > 2	Swap → [1, 4, 2, 5, 8]
5 < 8	No swap

👉 Largest (8) is in correct position

---

🔁 Pass 2

Comparison	Action
1 < 4	No swap
4 > 2	Swap → [1, 2, 4, 5, 8]
4 < 5	No swap

---

🔁 Pass 3

No swaps needed → array already sorted

---

📌 Final Sorted Array

[1, 2, 4, 5, 8]

---

💻 Algorithm (Pseudocode)

BubbleSort(A, n)

1. for i = 0 to n-1
2.     for j = 0 to n-i-2
3.         if A[j] > A[j+1]
4.             swap(A[j], A[j+1])

---

🐍 Python Program for Bubble Sort

def bubble_sort(arr):
    n = len(arr)

    for i in range(n):
        for j in range(0, n - i - 1):
            if arr[j] > arr[j + 1]:
                arr[j], arr[j + 1] = arr[j + 1], arr[j]

    return arr

# Example
arr = [5, 1, 4, 2, 8]

result = bubble_sort(arr)

print("Sorted Array:", result)

---

Output:

Sorted Array: [1, 2, 4, 5, 8]

---

⚡ Time Complexity

Case	Complexity
Best Case	O(n) (already sorted)
Worst Case	O(n²)
Average Case	O(n²)

---

📊 Space Complexity

• O(1) (no extra memory used)

---

🆚 Bubble Sort vs Other Sorting

Feature	Bubble Sort	Selection Sort	Insertion Sort
Speed	Slow	Slow	Medium
Complexity	O(n²)	O(n²)	O(n²)
Stability	Yes	No	Yes
Best Use	Small data	Small data	Nearly sorted data

---

📌 Advantages

• Very simple to understand
• Easy to implement
• No extra memory required
• Stable sorting algorithm

---

❌ Disadvantages

• Very slow for large datasets
• Many unnecessary comparisons
• Not efficient for real applications

---

🧠 Real Life Example

• Sorting playing cards in hand 🃏
• Arranging books by height 📚

---

📌 Summary

• Bubble Sort compares adjacent elements
• Largest elements move to the end after each pass
• Time complexity is O(n²)
• Simple but inefficient for large datasets

---

❓ Important Questions

Short Questions

1. What is bubble sort?
2. Why is it called bubble sort?
3. What is time complexity of bubble sort?
4. Is bubble sort stable?
5. Give one example.

---

Long Questions

1. Explain bubble sort with example.
2. Write algorithm of bubble sort.
3. Write Python program for bubble sort.
4. Compare bubble sort with selection sort.
5. Explain best and worst case of bubble sort.

8. reverse() in stringbuffer java

8. 

reverse() in stringbuffer java

7 delete() in string buffer java

7 delete() in string buffer java

6 insert() string buffer java

5 append() in string buffer java

5 append() in string buffer java 

4 ensurecapacity in string buffer java

4 ensurecapacity in string buffer java

3. update length and capacity in stringbuffer java

3. update length and capacity in stringbuffer java 

2 string buffer length and capacity in java

1 string Buffer length and capacity of blank string in java

1 string Buffer length and capacity of blank string in java

string buffer

1.   string Buffer length and capacity of blank string in java   CLICK HERE

2.  string buffer length and capacity in java  CLICK HERE

3.  update length and capacity in stringbuffer java  CLICK HERE

4. ensurecapacity in string buffer java CLICK HERE

5.  append() in string buffer java CLICK HERE

6. insert() string buffer java  CLICK HERE

7. delete() in string buffer java CLICK HERE

8. reverse() in stringbuffer java CLICK HERE

Area of a rectangle in java

Area of a rectangle in java

input a number and check the number is even or odd in visual basic6

input a number and check the number is even or odd in visual basic6

string pallindrome checking in java

string pallindrome checking in java

toUpperCase(),toLowerCase() in java

toUpperCase(),toLowerCase() in java

substring() in java

string indexOf() , lastIndexOf() in java 

string pattern in java

string pattern in java

string contains() in java

string isempty() in java

string isempty() in java

string join() in java example

string join() in java example

string replace() in java

                                                         string replace() in java

string trim() in java

string trim() in java

vowel count in java

vowel count in java

string charAt() in java example

string length() IN JAVA

string compareTo () in java

string compareTo first example in java

string compareTo second example in java

string compare equalsignorecase in java

string compare using equals() in java

string compare using== in java

string concat using function

string concat using function

string concate using + in java

string initialization in java , String class example

14. Write a program to demonstrate the concept of boxing and unboxing.

14. Write a program to demonstrate the concept of boxing and unboxing.

11. Write a program to show that during function overloading, if no matching argument is found, then java will apply automatic type conversions(from lower to higher data type)

11. Write a program to show that during function overloading, if no matching argument is found, then java will apply automatic type conversions(from lower to higher data type)

10. Modify the ―distance‖ class by creating constructor for assigning values (feet and inches) to the distance object. Create another object and assign second object as reference variable to another object reference variable. Further create a third object which is a clone of the first object.

10. Modify the ―distance‖ class by creating constructor for assigning values (feet and inches) to the distance object. Create another object and assign second object as reference variable to another object reference variable. Further create a third object which is a clone of the first object.

9. Write a program to create a ―distance‖ class with methods where distance is computed in terms of feet and inches, how to create objects of a class and to see the use of this pointer

9. Write a program to create a ―distance‖ class with methods where distance is computed in terms of feet and inches, how to create objects of a class and to see the use of this pointer

KEYBOARD AND MOUSE ( JAVA )

1.  KEYBOARD 1 -  CLICK HERE

2.  KEYBOARD 2 - CLICK HERE

3.  MOUSE 1 - CLICK HERE

4. MOUSE 2 -  CLICK HERE

VARIABLE ARGUMENTS ( WITH STATIC FUNCTION AND WITHOUT STATIC FUNCTION )

1. VARIABLE LENGTH ARGUMENTS   - CLICK HERE

2.  VARIABLE LENGTH ARGUMENTS (USING ... OPERATOR)  CLICK HERE

3. VARIABLE LENGTH ARGUMENTS (USING FOR INT i :x)  CLICK HERE

4. VARIABLE LENGTH ARGUMENTS AND INTEGER VARIABLE,ARRAY  CLICK HERE

5.  STATIC FUNCTION WITH VARIABLE LENGTH ARGUMENTS CLICK HERE

6.  VARIABLE LENGTH ARGUMENTS AND FIXED NUMBER ARGUMENT CLICK HERE

7.  VARIABLE LENGTH ARGUMENTS - boolean data type  CLICK HERE

8.  VARIABLE LENGTH ARGUMENTS WITH OVERLOADING  CLICK HERE

8. VARIABLE LENGTH ARGUMENTS WITH OVERLOADING

8.  VARIABLE LENGTH ARGUMENTS WITH OVERLOADING

7. VARIABLE LENGTH ARGUMENTS - boolean data type

7.  VARIABLE ARGUMENTS - boolean data type

6. VARIABLE LENGTH ARGUMENTS AND FIXED NUMBER ARGUMENT

6.  VARIABLE ARGUMENTS AND FIXED NUMBER ARGUMENT

5. STATIC FUNCTION WITH VARIABLE LENGTH ARGUMENTS

5.  STATIC FUNCTION WITH VARIABLE LENGTH ARGUMENTS

4. VARIABLE LENGTH ARGUMENTS AND INTEGER VARIABLE,ARRAY

4. VARIABLE LENGTH ARGUMENTS AND INTEGER VARIABLE,ARRAY

3. VARIABLE LENGTH ARGUMENTS (USING FOR INT i :x)

3. VARIABLE LENGTH ARGUMENTS (USING FOR INT i :x)

2. VARIABLE LENGTH ARGUMENTS (USING ... OPERATOR)

2.  VARIABLE LENGTH ARGUMENTS (USING ... OPERATOR)

1. VARIABLE LENGTH ARGUMENTS USING ARRAY

                                    1. VARIABLE LENGTH ARGUMENTS USING ARRAY