Boeing Architect Interview Questions and Answers

DSA questions medium level

Q1. Resume based interview or DSA questions medium level
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Q2. Explain projects
Ans. 
Projects are specific tasks or assignments that require a set of skills and resources to complete.
• Projects are temporary in nature with a defined start and end date.

• They typically have specific goals, deliverables, and constraints.

• Projects require a team of individuals with different roles and responsibilities.

• Examples: Developing a mobile app, implementing a new software system, conducting a research study.
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Q3. Internship experience
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Q1. Basic interpersonal skills
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There was simple aptitude questions along with some C snippet

Q1. Difference between RISC and CISC?
Ans. 
RISC (Reduced Instruction Set Computing) has a smaller set of simple instructions, while CISC (Complex Instruction Set Computing) has a larger set of complex instructions.
• RISC processors have simpler instructions that can be executed in a single clock cycle, making them faster.

• CISC processors have more complex instructions that may require multiple clock cycles to execute.

• RISC architectures typically have a smaller chi...read more
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Q2. How ADC(Analog to Digital Converter) works?
Ans. 
ADC converts analog signals into digital data by sampling the input signal at regular intervals.
• ADC samples the input signal at regular intervals

• It quantizes the sampled values into discrete digital values

• The resolution of ADC determines the number of possible digital values

• Common types of ADC include successive approximation ADC and delta-sigma ADC
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Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with basic DSA questions. Questions on Selenium and Linux commands were also asked.

Q1. 
Reverse a String Problem Statement
Given a string STR containing characters from [a-z], [A-Z], [0-9], and special characters, determine the reverse of the string.
Input:
The input starts with a single i...read more
Ans. 
Reverse a given string containing characters from [a-z], [A-Z], [0-9], and special characters.
• Iterate through the characters of the string from end to start and append them to a new string to get the reversed string.

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

• Handle special characters and numbers along with alphabets while reversing the string.

• Ensure to print eac...read more
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Q2. 
Duplicate Characters in a String
Given a string 'S' of length 'N', identify and return all the characters in the string that appear more than once along with their frequency.
Example:
Input:
 N = 5
 S =...read more
Ans. 
Identify and return all characters in a string that appear more than once along with their frequency.
• Iterate through the string and count the frequency of each character using a hashmap.

• Return characters with frequency greater than 1 in an array of tuples.
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Q3. What is the cut command in Linux and how do you use it?
Ans. 
The cut command in Linux is used to extract sections from each line of input.
• Used to cut out specific sections of text from a file or input stream

• Can specify the delimiter used to separate fields

• Options include -c for characters, -f for fields, and -d to specify the delimiter

• Example: cut -d',' -f1,3 file.txt
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Q4. What is the Find command in Linux and how is it used?
Ans. 
The Find command in Linux is used to search for files and directories based on specified criteria.
• Used to search for files and directories in a specified directory

• Criteria can include file name, size, permissions, and more

• Can be combined with other commands like -exec to perform actions on found files
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Q1. C++ fundamental
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Q2. Reverse linked list
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Q1. Basics of testing
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Q2. Sql basic, joins
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Q3. Unix and shell scripting
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Round duration - 90 minutes
Round difficulty - Medium

It was in the afternoon. I have to switch on my webcam during test. 1 person taking the test and 3 people were monitoring me. they ask many questions apart from the test as well. He give me some situations and ask me to give solution for the problem by writing algorithm and code.

Q1. 
Anagrams Problem Statement
You are given an array/list of strings called inputStr. Your task is to return the strings as groups of anagrams such that strings belonging to the same group are anagrams of ea...read more
Ans. 
Given an array of strings, group the strings that are anagrams of each other.
• Iterate through the array of strings and sort each string alphabetically to create a key for grouping.

• Use a hashmap to store the sorted string as key and the list of anagrams as value.

• Return the values of the hashmap as the grouped anagrams.
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Round duration - 90 minutes
Round difficulty - Medium

It was in the evening. I have to switch on my webcam during test. 1 person taking the test and 3 people were monitoring me. They asked many questions apart from the test as well.

Round duration - 30 minutes
Round difficulty - Medium

It was in the evening. There was total 3 persons in the meeting. They asked me many questions regarding my projects and my previous experience too. The interviewer were very friendly.

Round duration - 90 minutes
Round difficulty - Medium

It was in the morning. It was a one to one conversation. He asked me questions regarding my lifestyle, interests and work experience too. He asked me to tell me about myself for about 5 minutes. Then we talk a lot about current affairs too. Then we talked about package too. The interviewer was very nice and friendly in nature.