PMB Enterprises Vendor of (Bajaj Electrical Ltd.) Production Engineer Interview Questions and Answers

Q1. Normal BASIC information and skill experience
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Q2. HR is very very good and soft skill
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Topics that where coverd in MCQ test are OS, DBMS, OOPS, AND some CS fundamentals

Q1. What is #include
Ans. 
The #include directive is used in C and C++ programming languages to include the contents of another file in the current file.
• Used to include header files that contain function prototypes and declarations

• Improves code organization and reusability

• Example: #include includes the standard input/output library in the current file
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Q2. What are pointers
Ans. 
Pointers are variables that store memory addresses of other variables in programming languages like C and C++.
• Pointers are used to directly access and manipulate memory locations.

• They are often used for dynamic memory allocation and deallocation.

• Pointers can be used to pass variables by reference to functions.

• Example: int *ptr; // declaring a pointer variable
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Q3. What is main difference between Java and cpp
Ans. 
Java is platform-independent, object-oriented language while C++ is platform-dependent, procedural language.
• Java is platform-independent, meaning it can run on any platform with the help of Java Virtual Machine (JVM)

• C++ is platform-dependent, meaning the code needs to be compiled separately for each platform

• Java is an object-oriented language with features like inheritance, encapsulation, and polymorphism

• C++ is a proce...read more
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It was good but prepared on technical basis

Q1. What is primary key
Ans. 
Primary key is a unique identifier for each record in a database table.
• Primary key ensures each record in a table is unique

• It can be a single column or a combination of columns

• Primary key values cannot be NULL

• Example: In a table of students, student ID can be a primary key
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Q2. What is foreign key
Ans. 
Foreign key is a column or a set of columns in a table that uniquely identifies a row in another table.
• A foreign key establishes a relationship between two tables in a database.

• It ensures referential integrity by enforcing a link between the data in the two tables.

• Foreign key constraints prevent actions that would destroy links between tables, such as deleting a row that is referenced by another table.

• Example: In a dat...read more
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Work / task prioritisation

Q1. How AMEX makes money?
Ans. 
American Express makes money primarily through fees charged to merchants and cardholders, as well as interest on outstanding balances.
• AMEX charges merchants a fee for accepting their cards, known as interchange fees.

• Cardholders pay annual fees, late fees, and interest on balances carried over from month to month.

• AMEX also earns revenue from its travel services, insurance products, and investment services.

• The company ma...read more
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Q2. How AMEX is different from Visa/Master card?
Ans. 
AMEX offers charge cards while Visa/Mastercard offer credit cards. AMEX has higher fees but better rewards.
• AMEX is a charge card, requiring full payment each month, while Visa/Mastercard offer credit cards with the option to carry a balance.

• AMEX typically has higher annual fees compared to Visa/Mastercard.

• AMEX is known for its premium rewards and benefits, catering to a more affluent customer base.

• Visa/Mastercard are a...read more
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Q1. Strengths or Weakness
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Q1. Normal BASIC information and skill experience
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Q2. HR is very very good and soft skill
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SQL server related ,logs sp,like

SQL database and ticketing tool