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Intel Graduate Trainee Interview Questions and Answers

Updated 5 Feb 2024

Q1. Linked list vs array Union vs array Prime no Explain memory segment How code executes [29/06, 20:53] Storage class [29/06, 20:53] Segmentation fault Dynamic memory allocation [29/06, 20:53] Calculator [29/06, 2...

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Ans.

Questions related to data structures, memory management, programming languages, and computer architecture.

  • Linked list is a dynamic data structure while array is a static data structure.

  • Union is a data type that allows storing different data types in the same memory location as opposed to array which stores elements of the same data type.

  • Prime numbers are numbers that are only divisible by 1 and themselves.

  • Memory segment refers to a portion of the computer's memory that is all...read more

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Q2. What is virtual function

Ans.

Virtual function is a function in C++ that can be overridden in a derived class.

  • Virtual functions are declared in a base class and defined in a derived class.

  • They allow polymorphism, where a derived class object can be treated as a base class object.

  • The virtual keyword is used to declare a function as virtual.

  • Example: virtual void display() = 0; // pure virtual function

  • Example: virtual void display() { cout << 'Base class display' << endl; }

  • Example: void display() override { ...read more

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Q3. What is constructor

Ans.

A constructor is a special method that is used to initialize objects of a class.

  • Constructors have the same name as the class they belong to.

  • They are called automatically when an object of the class is created.

  • They can be used to set default values for object properties.

  • Constructors can be overloaded to accept different parameters.

  • Example: public class Car { public Car() { // constructor code here } }

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Q4. What is friend class

Ans.

Friend class is a class that has access to the private and protected members of another class.

  • Friend class is declared using the 'friend' keyword.

  • It allows the friend class to access the private and protected members of the class it is friends with.

  • Friendship is not mutual, meaning the friend class does not grant access to its own private and protected members.

  • Friend functions can also be declared to have access to private and protected members of a class.

  • Example: class A dec...read more

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Q5. what is destructor

Ans.

A destructor is a member function of a class that is responsible for destroying objects of that class.

  • Destructors have the same name as the class preceded by a tilde (~).

  • They are called automatically when an object is destroyed or goes out of scope.

  • They are used to release resources allocated by the object during its lifetime.

  • Example: ~MyClass() { delete[] myArray; }

  • Destructors cannot be overloaded or inherited.

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Q6. Verilog code for dff

Ans.

Verilog code for D flip-flop (DFF) is a fundamental building block in digital design.

  • Use always block to describe the behavior of DFF

  • Use non-blocking assignment to update the output based on the input

  • Include a clock signal to trigger the update of the output

  • Example: always @(posedge clk) begin q <= d; end

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Interview Process at Intel Graduate Trainee

based on 3 interviews
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