Test Case For Keyboard on Computer: In this post, I am going to explain the test cases for a computer keyboard. Most of the interviewers often ask the test cases related to computer accessories.
Keyboard and Mouse test cases are quite often asked. As I have already covered the test cases related to a mouse, this post will focus on the keyboard. We assume this keyboard to be PS/2 or USB powered. There is also a wireless or Bluetooth-based keyboard, but we are going to skip those models for the sake of simplicity.
Few more things to note for our manual test.
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Test Case For Computer Keyboard
If you want to test your keyboard specifically the computer keyboard then it requires more than simply seeing the keys work. If you want to validate is the keyboard is working or not simply opening a word processor and typing a few lines will not tell you anything.
Sometimes the keys are working fine but still, there is a chance of an issue with the keyboard device driver. In that case, to successfully test your computer’s keyboard, you need to do so in the Microsoft Windows Device Manager hardware management utility.
User interface Test Cases
- Check the colour of the keyboard is as per the requirement.
- Check the colour of the keyboard keys as per the requirement.
- Check the height and weight of the keyboard is as per the requirement.
Usability Test Cases
- Check the letters on the keyboard are readable.
- Check to type the letter the keys of the keyboard need smooth touch or need to press little harder.
- Check if the keyboard layout is easy to use.
Performance Test Cases
- Check keys print/do functions as they are used.
- Check is the keys of the keyboard are freezing upton using contineously for some hours.
- Check keyboard meets its # of hours limit.
Load Testing Test Cases
- Hit each of the keys until they break or stop functioning.
Test Scenarios For Keyboard
- Check which type of keyboard is that, for example: PS/2 or USB
- Check the keyboard type whether it is wired keyboard or wireless keyboard.
- Check the order of keys in keyboard is as per QWERTY standard.
- Check the pressure required to press a key.
- Check is the keyboard can sit on an even surface without sharing during typing.
- Check is the operating system detecets the keyboard on plugin.
- Check is the layout is as per the requirement.
- Check the number of keys is as per the requirement.
- Check the space between two keys on keyboard is as per requirement or not.
- Click on each of the keys and check if they are all functional and work as expected
- Check a usb keyboard is working or not when a keyboard is removed and plugged in during the session of desktop.
- Check if the keyboard is an USB, then is that required additional driver.
- Check is the keyboard have the multimedia keys or not.
- Check combination of keys working or not. For example: ALT+ TAB, CTRL+C, CTRL+V etc.
Negative Test Case For Keyboard
- Check is the keyboard works fine in a different climate environment.
- Check the performance of the keyboard by typing continuously.
- Check is the keyword works well by connecting to a different laptop, PC.
- Try to type by holding different keys.
- Drop keyboard from practical height and then try to type again.
These are some of the test cases that I can think of while testing the keyboard as per our given specifications. You can come up with more positive and negative test cases for the above tests. I hope this helps you during an interview or while improving your own ability to write effective test cases. Feel free to let me know your opinion and suggestions on my sample test case series.