Texol Engineering Interview Questions and Answers

Q1. Microcontroller
Ans. Microcontroller one by one multiple tasks
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Q2. What is microprocessor
Ans. 
A microprocessor is a small electronic device that functions as the central processing unit of a computer.
• Microprocessors are made up of millions of transistors that perform calculations and execute instructions.

• They are commonly found in computers, smartphones, tablets, and other electronic devices.

• Examples of popular microprocessors include Intel's Core series and AMD's Ryzen series.

• Microprocessors are essential for ...read more
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Q3. What is 8085 warking
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The 8085 is a microprocessor that was widely used in the 1980s for various applications.
• The 8085 is an 8-bit microprocessor introduced by Intel in 1977.

• It has a 16-bit address bus and can address up to 64 KB of memory.

• The 8085 operates at a clock speed of 3 MHz.

• It has 74 instructions and uses a single +5V power supply.

• Example: The 8085 was commonly used in early personal computers and embedded systems.
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Q4. What is microphone
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A microphone is a device that converts sound waves into electrical signals for recording or amplification.
• Microphones come in different types such as dynamic, condenser, and ribbon.

• They are commonly used in recording studios, live performances, telecommunication, and audio equipment.

• Examples of popular microphone brands include Shure, Sennheiser, and Audio-Technica.
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Q5. What is microprocessor warking
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A microprocessor is a small electronic device that functions as the central processing unit of a computer.
• Microprocessors execute instructions and perform calculations for various tasks.

• They consist of an arithmetic logic unit, control unit, registers, and cache memory.

• Examples of microprocessors include Intel Core i7, AMD Ryzen, and ARM Cortex.

• Microprocessors use binary code to process data and communicate with other
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Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.

Q1. Explain OOPs w.r.t Java
Ans. 
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
• OOPs stands for Object-Oriented Programming System

• Java is a class-based OOPs language

• Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs

• Objects have state and behavior

• Java supports interfaces, which allow for multiple inheritance

• Example: A car can be represented as an object wit...read more
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Q2. Explain about the projects that you have worked on
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Q3. Explain how Java solves machine dependency of code execution
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Java solves machine dependency by using bytecode and virtual machine.
• Java code is compiled into bytecode which is platform-independent

• The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific

• JVM translates bytecode into machine code for the specific platform

• This allows Java code to run on any platform with a JVM installed

• Example: A Java program compiled on Windows can run on Linux or Mac as
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Q1. Why should we hire you?
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Q2. Tell me about yourself.
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Numerical ability and logical reasoning followed by some coding mcqs

Q1. Print 1 to 100 without for loop
Ans. 
Printing 1 to 100 without for loop
• Use recursion to print numbers from 1 to 99

• Print 100 outside the recursion

• Use a base case to stop recursion at 100
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