4th-A-MC-Quiz

1. Which of the following should a microcontroller at-least should consist of?

• CPU, ROM, I/O ports, and timers

• RAM, ROM, I/O ports, and timers

• CPU, RAM, I/O ports, and timers

• CPU, RAM, ROM, I/O ports, and timers

Which of the following buses are present in a microcontroller for transferring data from one place to another?

• data bus only

• data bus, address bus

• address bus only

• address bus, data bus, control bus

Which of the following architecture is followed by general-purpose microprocessors?

• Von Neumann architecture

• Harvard architecture

• None of the mentioned

• All of the mentioned

What will happen in that condition, if an interrupt occurs while the microcontroller is serving any other interrupt?

• the interrupt that is more priority in the interrupt vector table will be served first

• both the interrupts will be handled simultaneously

• the interrupt having low priority in the interrupt vector table will be served first

• the interrupt which is being done first will be served first

Which of the following is the basic functions of a timer?

• it can control the compare, capture mode

• it provided a time delay

• it can act as a counter

• all of the mentioned

Which functioning element of microcontroller generate and transmit the address of instructions to memory through internal bus ?

• Instruction Decoding Unit

• Timing and Control Unit

• Program Counter

• Arithmetic Logic Unit

How does the microcontroller communicate with the external peripherals / memory?

• via I/O ports

• via register arrays

• via memory

• all of the above

Why do the microprocessors possess very few bit manipulating instructions ?

• Because they mostly operate on bits/ word data

• Because they mostly operate on byte/word data

• Both a & b

• None of the above

Which programming language is commonly used for writing firmware for ARM microcontrollers?

• Python

• C++

• Java

• Assembly Language

What is the primary advantage of using the Thumb instruction set in ARM Cortex-M processors?

• Reduced power consumption

• Improved code execution speed

• Smaller memory footprint

• Enhanced security features