ARM Cortex-M4 Microcontroller Quiz

What does ARM stand for?

• Advanced RISC Machine

• Advanced Reduced Instruction Model

• Automated RISC Mechanism

• Advanced Register Instruction Machine

Which of the following is a feature of RISC architecture?

• Multiple cycles per instruction

• Large and complex instruction set

• Simplified instruction set for faster execution

• High hardware complexity

What is the maximum addressable range for ARM Cortex-M4 microcontrollers?

• 2GB

• 8GB

• 16GB

• 4GB

Which series of Cortex processors is designed for high-end application processors?

• Cortex-X

• Cortex-A

• Cortex-R

• Cortex-M

What is the primary purpose of the Link Register (LR) in ARM architecture?

• To manage stack operations

• To hold the return address of a subroutine

• To store the current program status

• To store general-purpose data

In which mode does the ARM processor use a 32-bit instruction set?

• User Mode

• ARM Mode

• FIQ Mode

• Thumb Mode

What is the function of the Current Program Status Register (CPSR)?

• To execute arithmetic operations

• To manage memory allocation

• To hold the current status of the processor

• To store the next instruction address

Which of the following is NOT a mode of operation in ARM architecture?

• User mode

• Kernel mode

• FIQ mode

• Supervisor mode

What type of architecture do Cortex-M microcontrollers use?

• Modified Harvard architecture

• Stack architecture

• Von-Neumann architecture

• Harvard architecture

Which of the following is a characteristic of CISC architecture?

• Smaller code size

• Lower hardware complexity

• Single cycle execution

• Complex instruction set