Topic 1 : Introduction to Embedded System

How an embedded system communicate with the outside world?

• Peripherals

• Memory

• Input

• Output

A microcontroller at-least should consist of:

• RAM, ROM, I/O devices, serial and parallel ports and timers

• CPU, RAM, I/O devices, serial and parallel ports and timers

• CPU, RAM, ROM, I/O devices, serial and parallel ports and timers

• CPU, ROM, I/O devices and timers

Unlike microprocessors, microcontrollers make use of batteries because they have:

• high power dissipation

• low power consumption

• low voltage consumption

• low current consumption

What is the order decided by a processor or the CPU of a controller to execute an instruction?

• decode,fetch,execute

• execute,fetch,decode

• fetch,execute,decode

• fetch,decode,execute

How are microcontrollers classified on the basis of internal bus width?

• 8,16,32,64 bits

• 4,8,16,32 bits

• 8,16 bits

• 4,16,32 bits

What is the file extension that is loaded in a microcontroller for executing any instruction?

• .doc

• .c

• .txt

• .hex

What is the most appropriate criterion for choosing the right microcontroller of our choice?

• speed

• availability

• ease with the product

• all of the mentioned

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

• via I/O ports

• via register arrays

• via memory

• all of the above

A microprocessor is a ___________ chip integrating all the functions of a CPU of a computer

• multiple

• single

• double

• triple

Microprocessor is a/an __________ circuit that functions as the CPU of the computer

• electronic

• mechanic

• integrating

• processing