Update Lerntagebuch.md

Lerntagebuch.md

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 ### Feedback
 
+---
+
+## SU 07 (12.12.2023)
+
+
+### Takeaway
+
+**Software Testing**
+
+- Motivation:
+  - Software defects can lead to financial losses, security risks, and reputational damage.
+  - Software testing is an important part of the software development process to ensure the quality of the software.
+
+- Fundamentals:
+  - Terms:
+    - Error: Incorrect behavior of a software system caused by the software itself.
+    - Defect: The cause of an error in the source code or documentation.
+    - Failure: The occurrence of an error in the runtime environment.
+  - Test methodology:
+    - Types of tests: Functional tests, non-functional tests, Inalt tests
+    - Components of a test: Test cases, test data, test environment
+    - Test objectives: Functional correctness, Non-functional properties, Inalt requirements
+    - Test levels: Unit testing, integration testing, system testing, acceptance testing
+    - Test pyramid: Pyramid-shaped representation of the test levels
+    - Test names: Standardized names for test cases
+    - Quality costs: Costs for the development, execution, and fixing of defects
+
+- Test process:
+  - Flow:
+    - Planning: Definition of test objectives, test scope, test methods
+    - Analysis & design: Creation of test cases, test data, test environment
+    - Test execution: Execution of test cases
+    - Test  Analysis of test results, defect fixing
+
+- Psychological aspects:
+  - Tester personality:
+    - Carefulness, concentration, analytical ability, problem-solving skills
+    - Communication skills, teamwork
+    - Tester motivation:
+      - Enjoyment of defect detection, fun of problem solving
+      - Appreciation of one's own work, recognition of one's own performance
+
+
+### Perception
+
+ As part of the group project, I can apply the test methodology to test the software for functionality and compliance with requirements. To do this, I will create test cases that cover the different functions and requirements of the software. I will then execute the test cases with test data to ensure that the software functions properly.
+
+### Repetition
+
+**Error**
+
+ Error is a term used in software testing to describe an unexpected or unintended behavior of a software system. Errors can be caused by a variety of factors, including:
+
+- Programming errors: These are the most common type of error and are caused by mistakes in the software code.
+- Data errors: These are errors in the data that is used by the software.
+- Environmental errors: These are errors caused by the environment in which the software is running.
+
+Errors can have a significant impact on software systems. They can cause software to crash, malfunction, or produce incorrect results. In some cases, errors can even lead to security vulnerabilities or data breaches.
+
+### Feedback
+
+
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