What are the four main pillars of Object-Oriented Programming, and briefly explain each one? How does Java achieve abstraction, and why is it essential in OOP? Explain the difference between ...

Find out 10 questions of GK Questions and Answers (GK Quiz) on Computer which are designed to serve the need knowledge seekers.

SSC Delhi Police Constable 2020 Exam: Computer Knowledge Topics (10 Marks) The questions will be designed to test the Basic Computer Knowledge of the candidates and will be asked from the below ...