Micro controller Interview Questions And Answers mentioned below who is very important for the Engineering Students.
Microcontroller
Micro controller is the single integrated circuit with small memory single core processor input/output peripherals devices.This was the initial stage of building the processors of any computer.With the help of Micro controller small operations like ADD, SUB, MUL, DIV etc. are possible with supporting assembly language programming.
Nov 13, 2017 If you are appearing for a Microcontroller Interview you must have a good knowledge about it. So in this article, we will discuss the frequently asked Microcontroller Interview questions and answers. Before that let’s have a look at the tips to answer these Microcontroller Interview questions. Tips to get success in Microcontroller Interview. Maxim Design Support Technical Documents Application Notes. Abstract: The 8051 Microcontroller: Frequently Asked Questions offers.
It is the most important part of the Electronic And Communication Engineering branch in the Bachelor of Technology we have discussed many important questions with their solution and PDF file. Students can learn and study for interview point of view.
Microcontrollers: as name suggest is a single baby computer on a single integrated circuit containing various other elements.These are the basic question for memorize of Micro controller Interview Questions And Answers
1. Differentiate microprocessor and micro controllers.
2. Differentiate RRA and RRC A instructions of 8081.
3. Give the format of PSW register of 8051.
4. What is the jump range in 8051?
5. List the features of 8051.
6. What is special function registers?
7. What is the use of PCON register?
8. State the function of RS0 and RS1 bits of PSW?
9. Give the interrupt priorities of 8051.
10. List the addressing modes of 8051.
11. What is PIC micro controller? explain the different timer modes in PIC.
12. Draw the architecture of 8051 micro controller and briefly describe the different addressing modes of 8051 micro controller.
13. Draw the required diagram and explain the interfacing of LCD with the 8051 Micro controller.
14. What are the different industrial applications of micro controllers?. what is the difference between the CISC and RISC processors?
15. What is a Watch dog timer? write the programming for the ADC in the PIC micro controllers.
16. Describe the evolution of the micro controllers write the memory organization in 8051 micro controllers.
17. What is the difference between a harward and von-neuman architecture? show the interfacing of stepper motor with 8051 micro controller.
More Important Questions with their Answers Given in PDF Click Below Link to Download
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10 Electronics interview questions and answers
This page describes Electronics questionnaire written by specialists in Electronics domain. This top 10 Electronics interview questions and answers will help interviewee pass the job interview for Electronics position with ease.
This set of questions are very useful for passing interview for various electronics related job positions right from testing, design, installation etc. These questions are very useful as college viva questions also.
Question -1:What is the difference between BJT and FET? Explain each. Answer -1: BJT is the short form of Bipolar Junction Transistor. FET is the short form of Field Effect Transistor. BJT is current controlled device while FET is voltage controlled device. Refer BJT Vs FET➤
Question -2: Explain function of zener diode and its one of the application used in electronic circuit. Answer -2: Zener diode operates in reverse bias. It limits any voltage above its breakdown voltage. Hence it is widely used as voltage regulator in power supplies as well as other electronic circuits. Refer Zener diode as voltage regulator➤
Question -3:Explain function of oscillator and mention different types of oscillators. Answer -3: Oscillator is used as source of frequency generation. It is widely used in frequency synthesizer, scalar and vector signal generators etc. The types of oscillators include wein bridge, colpitts, clapps, crystal oscillators. Refer Oscillator types➤
Question -4:Draw the circuit of AM receiver and FM receiver and explain. Answer -4: The receiver which rectifies and decodes Amplitude Modulated Signal is known as AM receiver. The receiver which rectifies and decodes Frequency Modulated Signal is known as FM receiver. Refer AM receiver Vs FM receiver➤
Question -5: Explain function of multivibrator and mention types of multivibrators? Answer -5: It is basically two stage RC coupled amplifier. The common multivibrators include astable, monostable, bi-stable. Refer Multivibrator types➤
Question: What is the difference between SCR, DIAC, TRIAC, UJT and Junction Transistor? Answer: Figure depicts symbol and structure of Triac, Refer SCR vs Diac vs Triac vs UJT vs Transistor➤
Question -6:Explain different logic gates and mention their truth table of operation. Answer -6: The common logic gates used in digital electronics are AND, OR and EX-OR. The other logic gates are derived from these logic gates. Refer AND vs NAND vs OR vs NOR➤ and EX-OR vs EX-NOR➤
Question -7: Explain internal architecture of 8051 microcontroller? Explain timers used in microcontroller and their functions. Answer -7: Internal architecture of 8051 covers CPU, RAM, ROM, UART, ports and counters. The timers include Timer-0, Timer-1 and Timer-2. The timers are used to introduce delay as well as for baudrate generation purpose. Refer 8051 microcontroller architecture➤ and Microcontroller timers➤
Question -8:Mention difference between RS232 and RS485. Answer -8: Both are used as serial communication interface buses. RS232 is used for point to point connection and RS485 is used for point to multipoint connection. Refer RS232 Vs RS485 interface types➤
Question -9: Explain Op-amplifier parameters and mention popular op-amp with its applications. Answer -9: The common parameters of Operational Amplifier (Op-Amp) are voltage gain, input and output impedance, CMRR, Bandwidth, Slew Rate etc. It has many applications. Refer Op-Amp basics and its parameters➤ and 741 Op-Amp Application note➤
Question -10: Explain the differenece between FIR filter and IIR filter. Answer -10: FIR stands for Finite Impulse Response Filter and IIR stands for Infinite Impulse Response Filter. Refer FIR Filter Vs IIR Filter➤
Above mentioned electronics interview questions and answers set is very useful for engineers appearing for interview in different job positions such as electronic engineer, electronics and communication engineer, design engineer, microcontroller hardware and software engineer etc. For microcontroller programming jobs, C programming concepts are also verified for the job selection. This set of questions are also useful for students preparing for college viva.
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