ABCD React Js Frontend Developer Interview Questions and Answers

Q1. What is the meaning of finance?
Ans. 
Finance refers to the management of money and other assets, including investing, borrowing, budgeting, and forecasting.
• Finance involves managing money and assets to achieve financial goals.

• It includes activities such as investing, borrowing, budgeting, and forecasting.

• Finance is essential for individuals, businesses, and governments to make informed financial decisions.

• Examples of finance include budgeting for personal...read more
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Q2. What are the different types of taxes in India?
Ans. 
There are various types of taxes in India including income tax, goods and services tax (GST), corporate tax, customs duty, and excise duty.
• Income Tax: Tax levied on the income of individuals and businesses.

• Goods and Services Tax (GST): Indirect tax levied on the supply of goods and services.

• Corporate Tax: Tax levied on the income of companies.

• Customs Duty: Tax imposed on goods imported into or exported out of the count...read more
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Q3. What is payroll, and what are its key components?
Ans. 
Payroll is the process of calculating and distributing wages to employees.
• Calculating employee wages based on hours worked or salary

• Deducting taxes and other withholdings

• Issuing paychecks or direct deposits

• Maintaining accurate records of employee compensation

• Key components include gross pay, deductions, net pay, and payroll taxes
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Q4. What is the process of bank reconciliation?
Ans. 
Bank reconciliation is the process of comparing and matching the balances in a company's accounting records with the balances on its bank statement.
• Gather bank statements and accounting records

• Compare deposits and withdrawals between the two

• Identify and investigate any discrepancies

• Adjust the accounting records to match the bank statement

• Prepare reconciliation report
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Q5. What is a direct tax?
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A direct tax is a tax that is paid directly by an individual or organization to the government.
• Direct taxes are imposed on income, profits, assets, and wealth.

• Examples of direct taxes include income tax, corporate tax, property tax, and inheritance tax.

• Direct taxes are typically progressive, meaning that the tax rate increases as the taxable amount increases.
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Q6. What is an indirect tax?
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An indirect tax is a tax that is imposed on goods and services rather than on income or profits.
• Indirect taxes are usually passed on to the consumer through higher prices.

• Examples of indirect taxes include sales tax, value-added tax (VAT), and excise duty.

• These taxes are collected by an intermediary, such as a retailer, and then passed on to the government.
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Q7. What is the full form of ITC in the context of indirect tax?
Ans. 
Input Tax Credit
• ITC stands for Input Tax Credit in the context of indirect tax

• It allows businesses to reduce the tax they have already paid on inputs from the tax they have to pay on outputs

• Example: If a business pays GST on raw materials, they can claim ITC to reduce the GST they owe on their final product
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Q8. GST, IGST,CGST,SGST,NEFT,RTGS Full Form
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Q9. GST Slab
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Q10. Place of Supply
Ans. 
Place of Supply refers to the location where a supply of goods or services is deemed to take place for tax purposes.
• Place of Supply is crucial for determining the applicable tax rate and jurisdiction for a transaction.

• It is determined based on various factors such as the nature of supply, location of supplier, and location of recipient.

• For example, if a service is provided in India to a customer in the US, the place of...read more
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Q11. Time of Supply
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Time of Supply refers to the point in time when goods or services are deemed to be supplied for tax purposes.
• Time of Supply is important for determining when to account for GST or VAT.

• For goods, time of supply is usually the date of delivery or payment, whichever is earlier.

• For services, time of supply is typically the date of completion or payment, whichever is earlier.

• In some cases, time of supply may be triggered by...read more
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Q12. Eway Bill
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Q13. How many Returns are required for Goods and Services Tax (GST) and what are the filing dates?
Ans. 
For GST, there are multiple returns required with different filing dates.
• There are different types of GST returns such as GSTR-1, GSTR-3B, GSTR-4, etc.

• The filing dates for these returns vary based on the type of return and the turnover of the taxpayer.

• For example, GSTR-1 for monthly filers is due on the 10th of the following month, while GSTR-3B is due on the 20th of the following month.

• Taxpayers with turnover above a ...read more
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Q1. Previous experiences
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Q1. Excellency in operating systems
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Excellency in operating systems is crucial for an Assistant Manager role as it involves overseeing system operations and troubleshooting issues.
• Proficiency in various operating systems such as Windows, macOS, and Linux

• Experience in managing system updates, installations, and configurations

• Ability to troubleshoot system issues and provide technical support to users

• Knowledge of security protocols and data protection meas...read more
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Q1. Salary negotiation
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Round duration - 60 minutes
Round difficulty - Medium

After written test , only 4 from Mca and 4 from Mtech were selected for next round.
It was also pure technical round. Interview started just after result was declared. Since there was only two panels, It was taking time.

Q1. 
Flip Bits Problem Explanation
Given an array of integers ARR of size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b...read more
Ans. 
Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.
• Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.

• Consider flipping a sub-array from index i to j and calculate the count of 1s in the resulting array.

• Return the maximum count of 1s obtained by flipping a sub-array at most once.
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Q2. 
Count Set Bits Problem Statement
Given a positive integer N, compute the total number of '1's in the binary representation of all numbers from 1 to N. Return this count modulo 1e9+7 because the result can...read more
Ans. 
Count the total number of set bits in the binary representation of numbers from 1 to N modulo 1e9+7.
• Iterate through numbers from 1 to N and count the set bits in their binary representation

• Use bitwise operations to count the set bits efficiently

• Return the count modulo 1e9+7 for each test case
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Q3. What is NAT and what are its functions?
Ans. 
NAT stands for Network Address Translation. It is used to translate private IP addresses to public IP addresses.
• NAT allows multiple devices on a local network to share a single public IP address.

• It enhances security by hiding internal IP addresses from external networks.

• Types of NAT include Static NAT, Dynamic NAT, and Port Address Translation (PAT).
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Q4. What is a VLAN?
Ans. 
A VLAN (Virtual Local Area Network) is a network of computers that behave as if they are connected to the same physical network, even though they may be located on different segments.
• VLANs are used to segment network traffic and improve network performance and security.

• They allow for logical grouping of devices regardless of their physical location.

• VLANs can be configured to separate different departments within an org...read more
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Q5. What is a socket buffer?
Ans. 
A socket buffer is a temporary storage area in memory used for sending and receiving data over a network.
• Socket buffers are used by the operating system to temporarily store data being sent or received over a network connection.

• They help in managing the flow of data between the application and the network interface.

• Socket buffers can be adjusted in size to optimize network performance.

• Examples include TCP send and rece
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Q6. What is the function of a bridge in networking?
Ans. 
A bridge in networking is a device that connects two or more network segments, allowing them to communicate with each other.
• Bridges operate at the data link layer of the OSI model.

• They use MAC addresses to forward data between network segments.

• Bridges help reduce network congestion by only forwarding data to the segment where the destination device is located.

• Example: Connecting a wired LAN to a wireless LAN using a br
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Round duration - 60 minutes
Round difficulty - Medium

Technical interview round with questions based on DSA/OS etc.

Q1. 
Reverse the String Problem Statement
You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string.
Example:
Input:
STR = "abcde"
Output:
"e...read more
Ans. 
Reverse a given string containing alphabets, numbers, and special characters.
• Iterate through the string from the end to the beginning and append each character to a new string.

• Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.

• Handle special characters and numbers while reversing the string.

• Ensure to consider the constraints provided in the problem statement.

• T...read more
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Q2. 
Longest Common Subsequence Problem Statement
Given two strings STR1 and STR2, determine the length of their longest common subsequence.
A subsequence is a sequence that can be derived from another sequen...read more
Ans. 
The task is to find the length of the longest common subsequence between two given strings.
• Implement a function to find the longest common subsequence between two strings.

• Use dynamic programming to solve the problem efficiently.

• Iterate through the strings and build a matrix to store the lengths of common subsequences.

• Return the length of the longest common subsequence found.
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Q3. What is the difference between Zombie, Orphan, and Daemon processes?
Ans. 
Zombie, Orphan, and Daemon processes are different types of processes in operating systems.
• Zombie process is a terminated process that has not been removed from the process table yet.

• Orphan process is a child process whose parent process has terminated.

• Daemon process is a background process that runs detached from the controlling terminal.
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Q4. What are little endian and big endian?
Ans. 
Little endian and big endian are ways of storing multibyte data in memory, with little endian storing the least significant byte first and big endian storing the most significant byte first.
• Little endian stores the least significant byte first, while big endian stores the most significant byte first.

• For example, the number 0x12345678 would be stored as 78 56 34 12 in little endian and 12 34 56 78 in big endian.

• Most mod...read more
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Q5. What is linking?
Ans. 
Linking is the process of connecting different parts of a program together to create a single executable file.
• Linking combines object files generated by the compiler into a single executable file.

• There are two types of linking: static linking and dynamic linking.

• Static linking includes all necessary libraries and dependencies in the executable file.

• Dynamic linking references external libraries at runtime.

• Examples of li...read more
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Q6. Can you explain the memory layout of a C program?
Ans. 
Memory layout of a C program includes sections like text, data, bss, heap, and stack.
• The 'text' section contains the executable code of the program.

• The 'data' section contains initialized global and static variables.

• The 'bss' section contains uninitialized global and static variables.

• The 'heap' is used for dynamic memory allocation.

• The 'stack' is used for function call and local variables.
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Q7. What is a symbol table?
Ans. 
A symbol table is a data structure used by a compiler to store information about the names of variables, functions, and other symbols in a program.
• It maps identifiers to information about them, such as their type, scope, and memory location.

• Symbol tables are used during compilation to resolve references to symbols and perform semantic analysis.

• Examples of symbol tables include the global symbol table in Python and the
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