ESI-QUIZ 1

A microcontroller at-least should consist of:

• RAM, ROM, I/O ports and timers

• CPU, RAM, I/O ports and timers

• CPU, RAM, ROM, I/O ports and timers

• CPU, ROM, I/O ports and timers

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

Abbreviate CISC and RISC.

• Complete Instruction Set Computer, Reduced Instruction Set Computer

• Complex Instruction Set Computer, Reduced Instruction Set Computer

• Complex Instruction Set Computer, Reliable Instruction Set Computer

• Complete Instruction Set Computer, Reliable Instruction Set Computer

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

• .doc

• .c

• .txt

• .hex

Why microcontrollers are not called general purpose computers?

• because they have built in RAM and ROM

• because they design to perform dedicated task

• because they are cheap

• because they consume low power

If we say microcontroller is 8-bit then here 8-bit denotes size of:

• DataBus

• ALU

• Address Bus

• Control Bus

What is internal RAM memory of 8051 microprocessor?

• 32bytes

• 64bytes

• 128bytes

• 256bytes

The 8051 microcontroller has

• 8bit databus

• 16bit databus

• 32bit databus

• 8bit databus

The 8051 microcontroller has

• 8bit address bus

• 16bit address bus

• 32bit address bus

• 64bit address bus

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

• high power dissipation

• low power dissipation

• high voltage consumption

• low current consumption