Practice Program Control Instructions (Jumps, Calls, Returns) - 7.3.5 | Module 7: Microcontrollers: The 8051 System | Microcontroller
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7.3.5 - Program Control Instructions (Jumps, Calls, Returns)

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the LJMP instruction do?

💡 Hint: Think about how you navigate through memory.

Question 2

Easy

What will happen if an accumulator contains zero when JZ is executed?

💡 Hint: Consider the meaning of 'jump if zero'.

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 does the instruction 'AJMP' do?

  • A long jump to any address
  • An absolute jump within 2KB
  • A conditional jump

💡 Hint: Consider the size of address space it can access.

Question 2

True or False: RETI is only used to return from normal subroutines.

  • True
  • False

💡 Hint: Think about interrupts and how they work.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create an assembly program that uses both unconditional and conditional jumps to implement a simple game scoring system.

💡 Hint: Think about how the game should proceed based on scoring.

Question 2

Design a flow of instructions using returns from multiple subroutines, simulating an advanced interaction where user inputs guide the control flow.

💡 Hint: Visualize how interactions would function dynamically in a real application.

Challenge and get performance evaluation