Question Discussion & Solution

MCQ

Which of the following is the default value of stack once after the system undergoes the reset condition?

08H

09H

00H

07H

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Which is false about microcontroller?

Microcontrollers are used to execute a single task within an application.

It consists of CPU, RAM, ROM, I/O ports.

Its power consumption is high because it has to control the entire system.

It is built with CMOS technology

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What kind of instructions usually affect the program counter?

Push & Pop

Call & Jump

Call & Return

Return & Jump

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At what PIN number, there is a RESET pin, which is used to reset the microcontroller to its initial values?

PIN 9

PIN 20

PIN 30

PIN 35

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At what PIN number, there is EA pin which stands for External Access input?

PIN 28

PIN 29

PIN 30

PIN 31

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What is true about microcontroller?

A microcontroller is a small and low-cost microcomputer

It is designed to perform the specific tasks of embedded systems

microcontroller consists of the processor, the memory, Serial ports, peripherals.

All of the above

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category More Microprocessor Topics

Microprocessor Basics

Classification

Input Output interfacing

Microcontroller

8085 Architecture

8086 Microprocessor

Multiprocessor Configuration

Peripheral Interface

Register Set of 8051

Serial Communication Unit

Segmentation

Paging

Instruction Set of 8086 8088

Interrupt and Stack of 8051

8051 Instruction Set

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