Rax-Tech International Interview Questions and Answers

Q1. Asked self intro
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Q2. Asked about the projects
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Q3. Explain about the communication serial Protocols like SPI,UART,I2c.
Ans. 
SPI, UART, and I2C are communication serial protocols used in embedded systems to transfer data between devices.
• SPI (Serial Peripheral Interface) is a full-duplex synchronous communication protocol commonly used for communication between microcontrollers and peripheral devices.

• UART (Universal Asynchronous Receiver/Transmitter) is a serial communication protocol that uses two wires for data transmission and is commonly ...read more
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Q4. What is kernel space and any experience in device drivers
Ans. 
Kernel space is a protected area of memory where the core of the operating system resides. Device drivers are software that allows the operating system to communicate with hardware devices.
• Kernel space is a privileged area of memory that is reserved for the core components of the operating system.

• Device drivers are software modules that facilitate communication between the operating system and hardware devices.

• Experien...read more
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Q5. Explain about an os boot up sequence
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OS boot up sequence involves several steps such as BIOS initialization, bootloader loading, kernel loading, and initialization of system services.
• BIOS (Basic Input/Output System) initialization

• Bootloader loading (e.g. GRUB, LILO)

• Kernel loading and initialization

• Init process execution

• System services initialization
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Q1. OOPs basics questions like inheritance, smart pointers, diamond problem etc.
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Q2. MFC basic questions like sending data from one window to other, sendmessage post message etc.
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Q1. Difference between diode and transistor
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A diode is a two-terminal electronic component that allows current to flow in one direction only, while a transistor is a three-terminal electronic component that can amplify or switch electronic signals.
• Diode has two terminals, anode and cathode, and allows current to flow in one direction only

• Transistor has three terminals, base, emitter, and collector, and can amplify or switch electronic signals

• Diodes are used in r...read more
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Q2. Explain micro processor
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A microprocessor is a small electronic device that functions as the central processing unit of a computer.
• Microprocessors are made up of millions of tiny components like transistors, resistors, and capacitors.

• They execute instructions and perform calculations for various tasks.

• Examples of microprocessors include Intel's Core i7, AMD's Ryzen, and ARM's Cortex series.
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Q3. What is communication
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Communication is the process of exchanging information, ideas, thoughts, or feelings between individuals or groups.
• Communication involves both verbal and non-verbal methods.

• Effective communication requires active listening and clear expression.

• Examples include speaking, writing, body language, and gestures.

• Communication can be one-way or two-way.

• Feedback is essential for successful communication.
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Leadership skills, team spirit, communication skills, problem-solving skills, analytical skills, and decision-making skills.

Q1. Can you tell me about yourself?
Ans. 
I am a dedicated Quality Engineer with a strong background in ensuring product quality and compliance with industry standards.
• Experienced in conducting quality control tests and inspections

• Skilled in identifying and resolving quality issues

• Proficient in using quality management tools and techniques

• Strong attention to detail and analytical skills

• Excellent communication and teamwork abilities
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Q2. What are your strengths and weaknesses?
Ans. 
My strengths include attention to detail, problem-solving skills, and strong communication. My weaknesses include a tendency to overthink and difficulty saying no.
• Strengths: attention to detail

• Strengths: problem-solving skills

• Strengths: strong communication

• Weaknesses: tendency to overthink

• Weaknesses: difficulty saying no
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Q3. Tell me about an experience when you faced difficulty at work while working on a project
Ans. 
I faced difficulty at work while working on a project due to conflicting requirements from different stakeholders.
• Received conflicting feedback from different stakeholders on project requirements

• Struggled to prioritize and balance the needs of each stakeholder

• Had to facilitate meetings and negotiations to reach a consensus

• Implemented a compromise solution that satisfied all parties involved
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The test about the aptitude questions asked normally

Design of system and electrical grid network

Q1. Shut down prosess
Ans. 
Shutting down a process involves terminating a program or application running on a computer system.
• Use task manager or command line to end the process

• Ensure all unsaved work is saved before shutting down

• Consider any dependencies or impact on other processes
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Q2. Breaker and transform se aata hai
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Q3. Shut downprosess
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