What are the components of an embedded system?

• Assembler.

• Emulator.

• Debugger.

• only 1 and 3

• All the above

Difference between RISC and CISC processor?

• RISC has no memory unit and uses separate hardware to implement instructions.

  
  

  CISC has a memory unit to implement complex instructions.

• CISC has no memory unit and uses separate hardware to implement instructions.

  
  

  RISC has a memory unit to implement complex instructions.

• Both RISC and CISC have no memory unit

• None of the above

ISR?

• Interrupt Service Routine

• Interrupt Service Router

• Interrupt Sepecial Routine

• Interrupt Service Register

What is interrupt latency?

• interrupt latency is the number of clock cycles that are taken by the processor to respond to an interrupt request.

• interrupt latency is the number of clock cycles that are taken by the processor to respond without interrupt request.

• both a and b are correct

• None of the above

What is a nested interrupt?

• an interrupt is not allowed to any time and anywhere even an ISR is being executed

• an interrupt is allowed only when an ISR is not being executed

• an interrupt is allowed to any time and anywhere even an ISR is being executed

• none of the above

NVIC________________

In our part b program, what was the header file we used for cortex-m3 programming?

identify the instruction, ADC Rd, Rn, <op2> ;

ARM CORTEX M3 instruction for multiplication with accumulate.

• MUL

• MLA

• MLS

• None of the above

Identify the ARM Cortex M3 instruction, CMP

• Compare

• Compound

• Carry

• Carry with borrow