Einfochips Interview Questions, Process, and Tips

Basic technical knowledge

Q1. What are microprocessors
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Microprocessors are integrated circuits that serve as the central processing unit (CPU) of a computer, handling instructions and data processing.
• Microprocessors are the brain of a computer, executing instructions and performing calculations.

• They are made up of millions of tiny components etched onto a single chip.

• Examples include Intel's Core series, AMD's Ryzen series, and ARM processors used in mobile devices.

• Micropr...read more
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Q1. Tell me about your family
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I come from a close-knit family of five, including my parents, older sister, and younger brother.
• My parents have always been supportive of my education and career choices.

• My older sister works as a nurse and has inspired me to pursue a career in engineering.

• My younger brother is currently studying computer science in college.
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General Aptitude , Basic Electronics , Digital Electronics , Microcontroller , Microprocessor

Q1. Verilog code of D-FF
Ans. 
Verilog code for a D flip-flop (D-FF) is a fundamental building block in digital design.
• D flip-flop stores one bit of data and is controlled by a clock signal.

• Verilog code for a D-FF typically includes a D input, clock input, and Q output.

• Example code: always @(posedge clk) begin Q <= D; end
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Q2. Difference between 8085 and 8086
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8085 is an 8-bit microprocessor with a 16-bit address bus, while 8086 is a 16-bit microprocessor with a 20-bit address bus.
• 8085 is an 8-bit microprocessor, while 8086 is a 16-bit microprocessor.

• 8085 has a 16-bit address bus, while 8086 has a 20-bit address bus.

• 8085 has a maximum clock speed of 3 MHz, while 8086 has a maximum clock speed of 10 MHz.

• 8085 has a simpler instruction set compared to 8086, which has a more com...read more
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Q3. Question on Sequential and Combinational Circuits
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Q1. General and personal questions
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They asked to write a code for prime numbers which i am not able to write and run the code, but i gave them the understanding of logic. They ask simple/easy coding question and they deep dive on the aptitude test with logic in details. There were some managerial/HR level questions in the same interview call and they ask some tricky question you should have a good emotional quotient EQ to answer those questions professionally

Q1. What tools do you use for schematic design ? Why is it better than others ?
Ans. 
I use tools like Altium Designer and Eagle for schematic design. These tools offer advanced features and a user-friendly interface.
• Altium Designer and Eagle are popular tools for schematic design in the industry.

• These tools offer advanced features such as real-time design synchronization, interactive routing, and 3D visualization.

• Altium Designer and Eagle have user-friendly interfaces that make it easier to create comp...read more
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Arithmetic and English grammar test

In aptitude there are speed, cost, percentage, maths , relation related questions are there

There are 1 code. Which is medium level. The short description of problem is job schedule based on time and employee availability.

Q1. C related questions
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Q2. Os and dbms related questions
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Q3. Computer network and coding optimization related questions
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Q1. C ,cpp,linux questions based on resumes
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Q2. C programming questions based on strings / array
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