Programmer Analyst 1 Interview Questions and Answers for Freshers

Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.

• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can access the properties and methods of the base class

• Example: Class 'Animal' can be a base class with attributes like 'name' and methods like 'eat', and class 'Dog' can inher...read more

Cache is a temporary storage area that stores frequently accessed data for quick access.

• Cache is used to improve the performance of a system by reducing the time it takes to access data.

• It can be implemented in hardware or software.

• Examples of cache include browser cache, CPU cache, and disk cache.

• Cache can be volatile or non-volatile.

• Cache can be configured to have a certain size and replacement policy.

Dennis Ritchie is considered the father of the C programming language.

• Dennis Ritchie, along with Brian Kernighan, developed the C language at Bell Labs in the early 1970s.

• C language was created to provide a more flexible and powerful alternative to assembly language.

• C language has had a significant impact on modern programming languages and systems development.

C is a procedural programming language, while C++ is an object-oriented programming language that is an extension of C.

• C is a procedural programming language, focusing on functions and procedures.

• C++ is an object-oriented programming language, allowing for the use of classes and objects.

• C++ is an extension of C, adding features like classes, inheritance, and polymorphism.