Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What command is used to power on the 8085 trainer kit?
💡 Hint: Consider the action that starts the system.
Question 2
Easy
What is the purpose of the control word in the 8255?
💡 Hint: Think about what setting needs to be done before using the ports.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary function of the control word in the 8255?
- Configure port operations
- Retrieve data
- Store program instructions
💡 Hint: Think about what configuration needs to be established before I/O operations.
Question 2
True or False: The initial step in any 8255 application is configuring the control word.
- True
- False
💡 Hint: Ask yourself what precedes any operations with the ports.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the control word for the 8255 configuration where Port A is input, Port B is output, and both halves of Port C are outputs.
💡 Hint: Think about how each port direction influences the control word.
Question 2
Explain how to troubleshoot issues if LED outputs are not functioning as expected during the procedure.
💡 Hint: Consider both hardware wiring and software settings.
Challenge and get performance evaluation