3i Infotech Placement: Sample Questions 276 - 278 of 1245

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Question 276

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Describe in Detail

Essay▾

What does it mean by embedded system?

Explanation

Embedded System
  • An embedded system is computer hardware with software embedded in it.
  • Can be an independent system or be a part of a large system.
  • Usually a microcontroller or microprocessor based system designed to perform a specific task.

Components of an embedded system

An embedded system has three components:

  • Hardware
  • Application software
  • Read time operating system supervises application software and allows processor to run process.

Characteristics of an embedded system

Characteristics of an Embedded System

Question 277

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Statement

True-False▾

Subclasses methods can access superclass members/attributes at all times?

Answer

FALSE

Explanation

  • False
  • Subclasses methods cannot access superclass members/attributes at all times.
  • The superclass has private fields and protected methods to access them
  • The subclasses access the fields by using those methods.

Question 278

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Write in Short

Short Answer▾

If the total distance of a journey is 120 km. If one goes by 60 kmph and comes back at 40kmph what is the average speed during the journey?

Explanation

Speed of the person in forward journey is 60 kmph.

Speed of the person in the backward journey is 40 kmph.

We are asked to find the average speed of the person during journey.

So, average speed during the journey will be 48 kmph.

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