Quiz on ARM Cortex-M4 Microcontroller

What is ARM?

What is Cortex?

What is M4?

What is an ARM Microcontroller?

What are the modes based on instruction set states in ARM architecture?

• ARM Mode

• Thumb Mode

• Thumb-2

What are the seven modes during execution of an ARM processor?

• User mode

• FIQ

• Abort

• Supervisor

• IRQ

What is the purpose of the Stack Pointer (SP)?

• To store the return address of subroutines

• To hold the address of the next instruction

• To manage memory as a Last-In-First-Out (LIFO) buffer

• To store the current status of the processor

What does the Current Program Status Register (CPSR) contain?

• The address of the next instruction

• The current status of the processor

• The return address of the last subroutine

• The stack pointer value

What happens during a reset in ARM Cortex-M4?

• The processor fetches the initial SP value

• The processor fetches the Reset Handler address

• Execution begins at the Reset Handler

• All of the above

What is the function of the Link Register (LR)?

• To store the current status of the processor

• To hold the return address of subroutines

• To manage the stack memory

• To store the address of the next instruction