Aviza Technology Interview Questions and Answers

Q1. Sequence Detector
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Q2. About different types of Counters, and counters related Questions
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Q3. Flipflop related Questions
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Q1. Power dissipation Types
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Q2. Latch up Problem
Ans. 
Latch up is a phenomenon in integrated circuits where a parasitic structure causes a low-impedance path to form, leading to a high current flow.
• Latch up can occur in CMOS circuits due to the parasitic thyristor formed by the p-n-p-n structure of the MOSFETs.

• It can be triggered by high voltage spikes or excessive current, causing the parasitic thyristor to turn on and create a short circuit.

• Latch up can be prevented by ...read more
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Q1. Basics of c, microcontrollers
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Q1. Pointers in memory
Ans. 
Pointers in memory are variables that store memory addresses of other variables.
• Pointers are used to access and manipulate memory locations directly.

• They are denoted by an asterisk (*) before the variable name.

• Example: int *ptr; // declaring a pointer to an integer variable

• Example: ptr = # // assigning the address of 'num' to the pointer
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Aptitude questions were easy and physics

Medium level coding round easy to medium

Q1. Technical hr dicussion with several hr
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Q1. Basic manegerial questions only
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Verilog, c++ pointers, mosfets

Q1. In depth questions about coding language you chose?
Ans. Use pointers to solve a problem
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Q2. Use uart protocol to solve a problem?
Ans. 
UART protocol can be used to transmit and receive data between two devices.
• UART can be used to communicate between a microcontroller and a computer

• UART can be used to send and receive data between two microcontrollers

• UART can be used to interface with sensors and actuators

• UART can be used to implement a simple command/response protocol

• UART can be used to implement a data logging system
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Q3. Use uart to receive signals from micrcontroller
Ans. 
UART can be used to receive signals from a microcontroller.
• Connect the UART pins of the microcontroller to the UART pins of the receiving device.

• Configure the UART settings such as baud rate, parity, and stop bits.

• Use a UART library or write code to read the incoming data from the UART buffer.

• Process the received data as required by the application.
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Q1. String manipulation (easy)
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Q2. Aptitude : Time and work 1 Clock 1
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Q3. Some HR questions: Why you want to work . Do you have plans for masters
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Q1. More of a managerial round : Full crush on resume and some QA basics
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Q1. They asked about technical
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Q2. Provide answers for the same
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Q1. They asked about technical
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Q2. Answers according to question
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Q1. What is electrice current?
Ans. 
Electric current is the flow of electric charge through a conductor.
• Electric current is measured in amperes (A)

• It is caused by the movement of electrons

• Direct current (DC) flows in one direction while alternating current (AC) changes direction periodically

• Electric current is used to power electrical devices such as lights, motors, and computers
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Q2. What is resistance and voltage between different
Ans. 
Resistance is the opposition to the flow of electric current, while voltage is the force that drives the current.
• Resistance is measured in ohms and is determined by the material and dimensions of the conductor.

• Voltage is measured in volts and is the potential difference between two points in a circuit.

• The relationship between resistance, voltage, and current is described by Ohm's Law: V = IR.

• In a circuit with multiple ...read more
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Q1. Induction motor and universal motor different ?
Ans. 
Induction motor and universal motor are different in terms of construction, operation, and applications.
• Induction motor is AC motor while universal motor is DC motor

• Induction motor is used for high power applications while universal motor is used for low power applications

• Induction motor has a stator and a rotor while universal motor has a commutator and brushes

• Induction motor is more efficient than universal motor

• Indu...read more
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Q2. Conductor and semiconductor between different?
Ans. 
Conductors allow free flow of electrons while semiconductors have limited flow due to their structure.
• Conductors have high conductivity while semiconductors have moderate conductivity.

• Conductors have low resistance while semiconductors have high resistance.

• Examples of conductors include metals like copper and aluminum while examples of semiconductors include silicon and germanium.
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Q3. What is p-n junction?
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A p-n junction is the boundary between a p-type and n-type semiconductor material, forming a diode.
• It is a type of semiconductor junction formed by doping two different types of semiconductors.

• The p-type semiconductor has an excess of holes, while the n-type semiconductor has an excess of electrons.

• When the two types of semiconductors are brought together, the electrons and holes diffuse across the junction, creating a...read more
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Q1. About my self and how to improve company
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Q2. About myself and how to improve company
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Q3. We improved means company will improve and standard is important
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Me improved means company will improve because we want follow 5s standard