Chang Yi Interconnect Technology Interview Questions and Answers

Duration: 1Hour 30 Minutes, 2 Coding Questions of Total 175 Marks. 1st Question has 75 marks and 2nd Question has 100 marks.

Q1. 1. Find the smallestMissingNumber in given array using Bitwise OR operation alone 2. Based on Array data Manipulation.
Ans. 
Using Bitwise OR operation to find the smallest missing number in an array.
• Iterate through the array and perform Bitwise OR operation with each element to set corresponding bit in a bitmask

• Iterate through the bitmask to find the first unset bit, which represents the smallest missing number

• Example: Array [0, 1, 3, 4, 6] would have a bitmask of 10101, smallest missing number is 2
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Q2. Q2: Customized Data Extraction From Given Dynamic Array & Perform Some Math Operations On the Extracted Data
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Q1. Write a Pseudo code for given scenario?
Ans. 
Pseudo code for a scenario
• Define variables and data structures needed

• Write the main logic using conditional statements and loops

• Handle edge cases and error conditions

• Test the pseudo code with sample inputs
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Q1. System Design & Design Pattern based questions
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Q1. Not Applicable (Yet to be scheduled)
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Q1. What is Salesforce
Ans. 
Salesforce is a cloud-based customer relationship management (CRM) platform that helps businesses manage their sales, customer service, marketing, and more.
• Cloud-based CRM platform

• Helps businesses manage sales, customer service, marketing, etc.

• Provides tools for automation, analytics, and collaboration
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Q2. Relationshipa in sfdc
Ans. 
Relationships in Salesforce are connections between objects that define how the objects are related to each other.
• Relationships can be one-to-many, many-to-one, or many-to-many.

• Lookup relationships allow you to link two objects together without affecting the other object.

• Master-detail relationships are used when you want to link two objects together in a parent-child relationship.

• Junction objects are used to connect tw
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Q1. Why do you want this role
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Q1. General troubleshooting questions
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Q1. Want to know what is your motivations
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Generic comprehension of physics

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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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. 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?
Ans. 
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