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Overview
Testing is an important step in making sure that IT systems work correctly. It checks that software, hardware, and processes do what they are supposed to do. Testing helps to find problems before a system is used by real people. This means fewer mistakes, less risk, and better results.
Different types of test data are used to check systems. Valid data is correct and should be accepted. Invalid (erroneous) data is wrong and should be rejected. Extreme data tests the limits of what the system can handle.
There are also different types of testing. Technical testing is done by experts to check how the system works.
User testing is carried out by the people who will use the system, to make sure it is easy and practical to use.
By testing carefully, organisations can make sure their systems are reliable, accurate, and ready to use.
You will be testing your work as part of your coursework
What You Need to Learn
What You Need to Learn
Testing in a Range of Contexts (Test Data)
Testing in a Range of Contexts (Test Data)
🚀 Extreme
🚀 Extreme
Tests system limits
Checks how it works with maximum or minimum values
❌ Invalid (erroneous)
❌ Invalid (erroneous)
Data that is wrong or in the wrong format
Should be rejected by the system
✅ Valid
✅ Valid
Correct and expected data
Should be accepted by the system
💻 Types of Testing
💻 Types of Testing
🔧 Technical
Done by IT professionals
Checks performance, security, and accuracy
👤 User
👤 User
Done by real users
Tests ease of use and practicality
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