diff --git a/betriebssystem/multi_cpu/multi_cpu.sln b/betriebssystem/multi_cpu/multi_cpu.sln
new file mode 100644
index 0000000..cddf1dc
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu.sln
@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26430.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "multi_cpu", "multi_cpu\multi_cpu.csproj", "{8632A050-3683-4E89-9E0B-620E6FD165FD}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {8632A050-3683-4E89-9E0B-620E6FD165FD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {8632A050-3683-4E89-9E0B-620E6FD165FD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {8632A050-3683-4E89-9E0B-620E6FD165FD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {8632A050-3683-4E89-9E0B-620E6FD165FD}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+EndGlobal
diff --git a/betriebssystem/multi_cpu/multi_cpu/App.config b/betriebssystem/multi_cpu/multi_cpu/App.config
new file mode 100644
index 0000000..88fa402
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/App.config
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/betriebssystem/multi_cpu/multi_cpu/Form1.Designer.cs b/betriebssystem/multi_cpu/multi_cpu/Form1.Designer.cs
new file mode 100644
index 0000000..10812d4
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/Form1.Designer.cs
@@ -0,0 +1,118 @@
+namespace multi_cpu
+{
+ partial class Form1
+ {
+ ///
+ /// Required designer variable.
+ ///
+ private System.ComponentModel.IContainer components = null;
+
+ ///
+ /// Clean up any resources being used.
+ ///
+ /// true if managed resources should be disposed; otherwise, false.
+ protected override void Dispose(bool disposing)
+ {
+ if (disposing && (components != null))
+ {
+ components.Dispose();
+ }
+ base.Dispose(disposing);
+ }
+
+ #region Windows Form Designer generated code
+
+ ///
+ /// Required method for Designer support - do not modify
+ /// the contents of this method with the code editor.
+ ///
+ private void InitializeComponent()
+ {
+ this.button_number = new System.Windows.Forms.Button();
+ this.button_range = new System.Windows.Forms.Button();
+ this.listBox1 = new System.Windows.Forms.ListBox();
+ this.labelResult = new System.Windows.Forms.Label();
+ this.textBox1 = new System.Windows.Forms.TextBox();
+ this.textBox2 = new System.Windows.Forms.TextBox();
+ this.SuspendLayout();
+ //
+ // button_number
+ //
+ this.button_number.Location = new System.Drawing.Point(22, 188);
+ this.button_number.Name = "button_number";
+ this.button_number.Size = new System.Drawing.Size(75, 47);
+ this.button_number.TabIndex = 0;
+ this.button_number.Text = "Einzelne Zahl Prüfen";
+ this.button_number.UseVisualStyleBackColor = true;
+ this.button_number.Click += new System.EventHandler(this.ButtonSingleNumber_Click);
+ //
+ // button_range
+ //
+ this.button_range.Location = new System.Drawing.Point(342, 188);
+ this.button_range.Name = "button_range";
+ this.button_range.Size = new System.Drawing.Size(75, 47);
+ this.button_range.TabIndex = 1;
+ this.button_range.Text = "Mehrere Zahlen prüfen";
+ this.button_range.UseVisualStyleBackColor = true;
+ this.button_range.Click += new System.EventHandler(this.ButtonRange_Click);
+ //
+ // listBox1
+ //
+ this.listBox1.FormattingEnabled = true;
+ this.listBox1.Location = new System.Drawing.Point(244, 48);
+ this.listBox1.Name = "listBox1";
+ this.listBox1.Size = new System.Drawing.Size(173, 134);
+ this.listBox1.TabIndex = 2;
+ //
+ // labelErgebnis
+ //
+ this.labelResult.AutoSize = true;
+ this.labelResult.Location = new System.Drawing.Point(19, 77);
+ this.labelResult.Name = "labelErgebnis";
+ this.labelResult.Size = new System.Drawing.Size(48, 13);
+ this.labelResult.TabIndex = 3;
+ this.labelResult.Text = "Ergebnis";
+ //
+ // textBox1
+ //
+ this.textBox1.Location = new System.Drawing.Point(22, 12);
+ this.textBox1.Name = "textBox1";
+ this.textBox1.Size = new System.Drawing.Size(161, 20);
+ this.textBox1.TabIndex = 4;
+ //
+ // textBox2
+ //
+ this.textBox2.Location = new System.Drawing.Point(244, 12);
+ this.textBox2.Name = "textBox2";
+ this.textBox2.Size = new System.Drawing.Size(173, 20);
+ this.textBox2.TabIndex = 5;
+ //
+ // Form1
+ //
+ this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+ this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+ this.ClientSize = new System.Drawing.Size(429, 419);
+ this.Controls.Add(this.textBox2);
+ this.Controls.Add(this.textBox1);
+ this.Controls.Add(this.labelResult);
+ this.Controls.Add(this.listBox1);
+ this.Controls.Add(this.button_range);
+ this.Controls.Add(this.button_number);
+ this.Name = "Form1";
+ this.Text = "Form1";
+ this.ResumeLayout(false);
+ this.PerformLayout();
+
+ }
+
+ #endregion
+
+ private System.Windows.Forms.Button button_number;
+ private System.Windows.Forms.Button button_range;
+ private System.Windows.Forms.ListBox listBox1;
+ private System.Windows.Forms.Label labelResult;
+ private System.Windows.Forms.TextBox textBox1;
+ private System.Windows.Forms.TextBox textBox2;
+ }
+}
+
diff --git a/betriebssystem/multi_cpu/multi_cpu/Form1.cs b/betriebssystem/multi_cpu/multi_cpu/Form1.cs
new file mode 100644
index 0000000..e21d62d
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/Form1.cs
@@ -0,0 +1,60 @@
+using System;
+using System.Windows.Forms;
+
+
+namespace multi_cpu
+{
+ public partial class Form1 : Form
+ {
+ public Form1()
+ {
+ InitializeComponent();
+ }
+
+ int number;
+ private void ButtonSingleNumber_Click(object sender, EventArgs e)
+ {
+ number = Convert.ToInt32(textBox1.Text);
+ if (isPrime(number))
+ {
+ labelResult.Text = number.ToString() + " ist eine Primzahl.";
+ }
+ else
+ {
+ labelResult.Text = number.ToString() + " ist keine Primzahl.";
+ }
+ }
+
+ private bool isPrime(int testNumber)
+ {
+ int Divider = testNumber / 2;
+ while (testNumber % Divider != 0)
+ {
+ Divider--;
+ }
+ if (Divider == 1)
+ {
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+ }
+
+ private void ButtonRange_Click(object sender, EventArgs e)
+ {
+ int Range = Convert.ToInt32(textBox2.Text);
+ int Counter = 2;
+
+ while (Counter < Range)
+ {
+ if (isPrime(Counter))
+ {
+ listBox1.Items.Add(Convert.ToString(Counter));
+ }
+ Counter++;
+ }
+ }
+ }
+}
diff --git a/betriebssystem/multi_cpu/multi_cpu/Form1.resx b/betriebssystem/multi_cpu/multi_cpu/Form1.resx
new file mode 100644
index 0000000..1af7de1
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/Form1.resx
@@ -0,0 +1,120 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ text/microsoft-resx
+
+
+ 2.0
+
+
+ System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
+
+
+ System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
+
+
\ No newline at end of file
diff --git a/betriebssystem/multi_cpu/multi_cpu/Program.cs b/betriebssystem/multi_cpu/multi_cpu/Program.cs
new file mode 100644
index 0000000..d308d67
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/Program.cs
@@ -0,0 +1,20 @@
+using System;
+using System.IO;
+using System.Windows.Forms;
+
+namespace multi_cpu
+{
+ static class Program
+ {
+ ///
+ /// The main entry point for the application.
+ ///
+ [STAThread]
+ static void Main()
+ {
+ Application.EnableVisualStyles();
+ Application.SetCompatibleTextRenderingDefault(false);
+ Application.Run(new Form1());
+ }
+ }
+}
diff --git a/betriebssystem/multi_cpu/multi_cpu/Properties/AssemblyInfo.cs b/betriebssystem/multi_cpu/multi_cpu/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..2254942
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("multi_cpu")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("multi_cpu")]
+[assembly: AssemblyCopyright("Copyright © 2018")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components. If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("8632a050-3683-4e89-9e0b-620e6fd165fd")]
+
+// Version information for an assembly consists of the following four values:
+//
+// Major Version
+// Minor Version
+// Build Number
+// Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/betriebssystem/multi_cpu/multi_cpu/Properties/Resources.Designer.cs b/betriebssystem/multi_cpu/multi_cpu/Properties/Resources.Designer.cs
new file mode 100644
index 0000000..ce3c22c
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/Properties/Resources.Designer.cs
@@ -0,0 +1,71 @@
+//------------------------------------------------------------------------------
+//
+// This code was generated by a tool.
+// Runtime Version:4.0.30319.42000
+//
+// Changes to this file may cause incorrect behavior and will be lost if
+// the code is regenerated.
+//
+//------------------------------------------------------------------------------
+
+namespace multi_cpu.Properties
+{
+
+
+ ///
+ /// A strongly-typed resource class, for looking up localized strings, etc.
+ ///
+ // This class was auto-generated by the StronglyTypedResourceBuilder
+ // class via a tool like ResGen or Visual Studio.
+ // To add or remove a member, edit your .ResX file then rerun ResGen
+ // with the /str option, or rebuild your VS project.
+ [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
+ [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+ [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+ internal class Resources
+ {
+
+ private static global::System.Resources.ResourceManager resourceMan;
+
+ private static global::System.Globalization.CultureInfo resourceCulture;
+
+ [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+ internal Resources()
+ {
+ }
+
+ ///
+ /// Returns the cached ResourceManager instance used by this class.
+ ///
+ [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+ internal static global::System.Resources.ResourceManager ResourceManager
+ {
+ get
+ {
+ if ((resourceMan == null))
+ {
+ global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("multi_cpu.Properties.Resources", typeof(Resources).Assembly);
+ resourceMan = temp;
+ }
+ return resourceMan;
+ }
+ }
+
+ ///
+ /// Overrides the current thread's CurrentUICulture property for all
+ /// resource lookups using this strongly typed resource class.
+ ///
+ [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+ internal static global::System.Globalization.CultureInfo Culture
+ {
+ get
+ {
+ return resourceCulture;
+ }
+ set
+ {
+ resourceCulture = value;
+ }
+ }
+ }
+}
diff --git a/betriebssystem/multi_cpu/multi_cpu/Properties/Resources.resx b/betriebssystem/multi_cpu/multi_cpu/Properties/Resources.resx
new file mode 100644
index 0000000..af7dbeb
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/Properties/Resources.resx
@@ -0,0 +1,117 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ text/microsoft-resx
+
+
+ 2.0
+
+
+ System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
+
+
+ System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
+
+
\ No newline at end of file
diff --git a/betriebssystem/multi_cpu/multi_cpu/Properties/Settings.Designer.cs b/betriebssystem/multi_cpu/multi_cpu/Properties/Settings.Designer.cs
new file mode 100644
index 0000000..8bdd7b0
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/Properties/Settings.Designer.cs
@@ -0,0 +1,30 @@
+//------------------------------------------------------------------------------
+//
+// This code was generated by a tool.
+// Runtime Version:4.0.30319.42000
+//
+// Changes to this file may cause incorrect behavior and will be lost if
+// the code is regenerated.
+//
+//------------------------------------------------------------------------------
+
+namespace multi_cpu.Properties
+{
+
+
+ [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+ [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "11.0.0.0")]
+ internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase
+ {
+
+ private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
+
+ public static Settings Default
+ {
+ get
+ {
+ return defaultInstance;
+ }
+ }
+ }
+}
diff --git a/betriebssystem/multi_cpu/multi_cpu/Properties/Settings.settings b/betriebssystem/multi_cpu/multi_cpu/Properties/Settings.settings
new file mode 100644
index 0000000..3964565
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/Properties/Settings.settings
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
diff --git a/betriebssystem/multi_cpu/multi_cpu/multi_cpu.csproj b/betriebssystem/multi_cpu/multi_cpu/multi_cpu.csproj
new file mode 100644
index 0000000..5bc126a
--- /dev/null
+++ b/betriebssystem/multi_cpu/multi_cpu/multi_cpu.csproj
@@ -0,0 +1,82 @@
+
+
+
+
+ Debug
+ AnyCPU
+ {8632A050-3683-4E89-9E0B-620E6FD165FD}
+ WinExe
+ multi_cpu
+ multi_cpu
+ v4.5.2
+ 512
+ true
+
+
+ AnyCPU
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ AnyCPU
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Form
+
+
+ Form1.cs
+
+
+
+
+ Form1.cs
+
+
+ ResXFileCodeGenerator
+ Resources.Designer.cs
+ Designer
+
+
+ True
+ Resources.resx
+
+
+ SettingsSingleFileGenerator
+ Settings.Designer.cs
+
+
+ True
+ Settings.settings
+ True
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/GetNumberEight_Result.cs b/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/GetNumberEight_Result.cs
new file mode 100644
index 0000000..f0f1b7f
--- /dev/null
+++ b/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/GetNumberEight_Result.cs
@@ -0,0 +1,21 @@
+//------------------------------------------------------------------------------
+//
+// This code was generated from a template.
+//
+// Manual changes to this file may cause unexpected behavior in your application.
+// Manual changes to this file will be overwritten if the code is regenerated.
+//
+//------------------------------------------------------------------------------
+
+namespace _2018_04_21_entity_framework
+{
+ using System;
+
+ public partial class GetNumberEight_Result
+ {
+ public int ProductID { get; set; }
+ public string ProductName { get; set; }
+ public int CategoryID { get; set; }
+ public string Description { get; set; }
+ }
+}
diff --git a/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/ProductDB.cs b/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/ProductDB.cs
new file mode 100644
index 0000000..d240061
--- /dev/null
+++ b/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/ProductDB.cs
@@ -0,0 +1,91 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _2018_04_21_entity_framework
+{
+ public class ProductDB
+ {
+ public List GetAllProducts()
+ {
+ using (ProductsEntities ctx = new ProductsEntities())
+ {
+ return ctx.Products.ToList();
+ }
+
+ }
+ public bool CreateProduct(Product product)
+ {
+ try
+ {
+ using (ProductsEntities ctx = new ProductsEntities())
+ {
+ ctx.Products.Add(product);
+ ctx.SaveChanges();
+ }
+ return true;
+ }
+ catch (Exception)
+ {
+ Console.WriteLine("Couldn't create product.");
+ return false;
+ }
+
+ }
+ public Product GetProductById(int id)
+ {
+ using (ProductsEntities ctx = new ProductsEntities())
+ {
+ Product product = ctx.Products.SingleOrDefault(x => x.ProductID.Equals(id));
+ if (product != null)
+ {
+ return product;
+ }
+ else
+ {
+ Console.WriteLine("This a a new product not yet in the database.");
+ return product;
+ }
+ }
+ }
+ public bool UpdateProduct(Product product)
+ {
+ try
+ {
+ using (ProductsEntities ctx = new ProductsEntities())
+ {
+ ctx.Products.Attach(product);
+ ctx.Entry(product).State = System.Data.Entity.EntityState.Modified;
+ ctx.SaveChanges();
+ }
+ return true;
+ }
+ catch (Exception)
+ {
+ Console.WriteLine("Couldn't update the product.");
+ return false;
+ }
+
+ }
+ public bool DeleteProduct(Product product)
+ {
+ try
+ {
+ using (ProductsEntities ctx = new ProductsEntities())
+ {
+ ctx.Products.Attach(product);
+ ctx.Products.Remove(product);
+ ctx.SaveChanges();
+ }
+ return true;
+ }
+ catch (Exception)
+ {
+ Console.WriteLine("Couldn't delete objet.");
+ return false;
+ }
+ }
+ }
+}
diff --git a/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/sp_helpdiagramdefinition_Result.cs b/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/sp_helpdiagramdefinition_Result.cs
new file mode 100644
index 0000000..d44b7fd
--- /dev/null
+++ b/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/sp_helpdiagramdefinition_Result.cs
@@ -0,0 +1,19 @@
+//------------------------------------------------------------------------------
+//
+// This code was generated from a template.
+//
+// Manual changes to this file may cause unexpected behavior in your application.
+// Manual changes to this file will be overwritten if the code is regenerated.
+//
+//------------------------------------------------------------------------------
+
+namespace _2018_04_21_entity_framework
+{
+ using System;
+
+ public partial class sp_helpdiagramdefinition_Result
+ {
+ public Nullable version { get; set; }
+ public byte[] definition { get; set; }
+ }
+}
diff --git a/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/sp_helpdiagrams_Result.cs b/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/sp_helpdiagrams_Result.cs
new file mode 100644
index 0000000..6451675
--- /dev/null
+++ b/oop/2018-04-21-entity_framework/2018-04-21-entity_framework/sp_helpdiagrams_Result.cs
@@ -0,0 +1,22 @@
+//------------------------------------------------------------------------------
+//
+// This code was generated from a template.
+//
+// Manual changes to this file may cause unexpected behavior in your application.
+// Manual changes to this file will be overwritten if the code is regenerated.
+//
+//------------------------------------------------------------------------------
+
+namespace _2018_04_21_entity_framework
+{
+ using System;
+
+ public partial class sp_helpdiagrams_Result
+ {
+ public string Database { get; set; }
+ public string Name { get; set; }
+ public int ID { get; set; }
+ public string Owner { get; set; }
+ public int OwnerID { get; set; }
+ }
+}