diff --git a/NEP2020/2024/BCA/3rdsem/cs/solved/important/ImpIA2.md b/NEP2020/2024/BCA/3rdsem/cs/solved/important/ImpIA2.md index 333ec4d..c0b405e 100644 --- a/NEP2020/2024/BCA/3rdsem/cs/solved/important/ImpIA2.md +++ b/NEP2020/2024/BCA/3rdsem/cs/solved/important/ImpIA2.md @@ -152,7 +152,7 @@ There are 4 types of Loops: ## Q7. Explain about combo box control and picture box control with an example - **ComboBox control** - is used to display more than one item in a drop-down list. It is a combination of Listbox and Textbox in which the user can input only one item. Furthermore, it also allows a user to select an item from a drop-down list. [[1](https://www.javatpoint.com/vb-net-combobox-control)] - ```VB.NET + ```VB Imports System.Windows.Forms Public Class Form1 Private Sub Form1(sender As Object, e As EventArgs) Handles Me.Load @@ -169,7 +169,7 @@ There are 4 types of Loops: - **PictureBox control** - is used to display the images on Windows Form. The PictureBox control has an image property that allows the user to set the image at runtime or design time. [[1](https://www.javatpoint.com/vb-net-picturebox-control)] - ```VB.NET + ```VB Public Class Picturebx Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click 'Dim Str As String = "C:\Users\AMIT YADAV\Desktop\" @@ -287,7 +287,7 @@ There are 4 types of Loops: [[1](https://www.geeksforgeeks.org/sub-procedure-vs-function-in-vb-net/)] - Example for Subroutine: - ```VB.NET + ```VB Class Program Sub Main() DisplayMessage() @@ -300,7 +300,7 @@ There are 4 types of Loops: ``` - Example for Function - ```VB.NET + ```VB Class Program Sub Main() Dim result As Integer @@ -343,7 +343,7 @@ To create a Visual Basic application project. The project type comes with all th - Select the Button control and then drag it onto the form. - In the Properties window, change the text from Button1 to Submit, and then press Enter. - Step 6: Now add the code by double clicking the button control. - - ```VB.NET + - ```VB Public Class Form1 Private Sub Button1(sender As Object, e As EventArgs) Handles Button1.Click label1.Text = "Hello World!" @@ -352,12 +352,41 @@ To create a Visual Basic application project. The project type comes with all th ``` - Step 7: Now your application is ready to build and run. - Step 8: Select Start to run the application. [It will handle both the building and running by itself.] [[1](https://learn.microsoft.com/en-us/visualstudio/ide/create-a-visual-basic-winform-in-visual-studio?view=vs-2022)] -## Q16. Explain VB.NET Conditional and looping statements with a suitable example -[Conditional Statements are already answered in Q1.](#q1-explain-the-if-else-statement-in-vb-net-and-give-one-example) - -[Looping Statements are already answered in Q5.](#q5-explain-looping-statements-in-vb-net) -TODO: Give an example +## Q16. Explain VB.NET Conditional and looping statements with a suitable example +[Conditional Statements are already answered in Q1.](#q1-explain-the-if-else-statement-in-vbnet-and-give-one-example) +- Example for Conditional Statement + ```VB + Class Genshin + ' Declaration of variable str + Dim str As String = "Impact" + Sub Main() + ' if str equal to "Impact", below Statement will be executed. + If str = "Impact" Then + Console.WriteLine("Get Help!") + End If + Console.WritLine("press any key to TOUCH GRASS?") + Console.ReadKey() + End Sub + End Class + ``` +[Looping Statements are already answered in Q5.](#q5-explain-looping-statements-in-vbnet) +- Example for Looping Statement + ```VB + Class Pablo + Sub Main() + ' 'vbCrLf' is used to jump in the next line just like \n in C. + Console.Write(" The number starts from 1 to 10 " & vbCrLf) + For i As Integer = 1 To 10 Step 1 + ' if the condition is true, the following statement will be executed + Console.WriteLine(" Number is {0} ", i) + ' after completion of each iteration, next will update the variable counter + Next + Console.WriteLine(" Press any key to BE FREEEE!") + Console.ReadKey() + End Sub + End Class + ``` ## Q17. Explain Exception Handling in C# with example syntax An exception is a problem that arises during the execution of a program. A C# exception is a response to an exceptional circumstance that arises while a program is running, such as an attempt to divide by zero. Exceptions provide a way to transfer control from one part of a program to another. C# exception handling is built upon four keywords: try, catch, finally, and throw. diff --git a/NEP2020/2024/BCA/3rdsem/dbms/solved/pyq.md b/NEP2020/2024/BCA/3rdsem/dbms/solved/pyq.md index aa40c5e..6d96504 100644 --- a/NEP2020/2024/BCA/3rdsem/dbms/solved/pyq.md +++ b/NEP2020/2024/BCA/3rdsem/dbms/solved/pyq.md @@ -275,7 +275,7 @@ Indexing enhances database performance by reducing the number of disk visits nee [GeeksforGeeks](https://www.geeksforgeeks.org/indexing-in-databases-set-1/) ## Q15. Draw an ER diagram for Bank Database with 5 entities and 5 attributes for each entity. Specify the cardinality ratio on each of the relationships existing between entities. -TODO: Solve + ## Q16. Explain different relational algebra operations. Relational algebra is a procedural query language, which takes instances of relations as input and yields instances of relations as output. It uses operators to perform queries.