CODECAFE

WHAT IS VARIABLE?                         Just like a container; that can help to store data with specific type.     Exam…

WHAT IS CONSTRUCTOR?                        A constructor is a special member function whose task is to initialize the objec…

WHAT IS CPU SCHEDULING?                        Scheduling refers to the set of policies and mechanisms that an OS support for …

What is inheritance?             The mechanism by which a new class in derived from existing classes is called inheritance. …

What is oop?           Object oriented programming is an approach that provide a way of modelling program by creating partiti…

C: ✓ High level programming language. ✓ But also support the concept of features of low level language. Hence 'C' …

C++  ✓ Object oriented programming language. ✓  Superset of 'c' ✓  Developed by-  Bjarne Stroustrup at Bell Labs …

What is key?          A key is a set of one or more columns whose combine values are unique among all occurrences in a give…

What is threads?         Generally a process consists of number of lightweight process. These lightweight process basically…

What is process control block (PCB)?               When a user initiates of a  new process, the OS collect all the informa…