Stacks Using Arrays and Classes in C++ – Question with Solution

by Pawan Arora | Mar 12, 2020 | CBSE, Computer Science, CS C++

Stacks using Arrays and Classes In CBSE Class XII Computer Science using C++ board exams a question might come using stacks of one of the following types: Stack implementation using Arrays (chances are less) Stack implementation using Arrays of Structure and Classes....

Networking, Communications Technologies and Open Source Concepts Important Questions – 2

by Pawan Arora | Mar 10, 2020 | CBSE, Computer Science, CS NetWorking, Informatics Practices, IP NetWorking

First set of some important questions related to Networking and Communications listed below: Q1. What is the difference between HTTP and FTP? HTTP is a standard communication protocol used on Internet that stands for Hyper Text Transfer Protocol.   FTP stands for File...

CBSE CS/IP Networking, Communications Technologies and Open Source Concepts – 1

by Pawan Arora | Mar 9, 2020 | Computer Science, CS C++, CS NetWorking, CS Python, Informatics Practices, IP Java, IP NetWorking

Important Abbreviations Some important abbreviations related to Computer Science and Informatics Practices for CBSE Class XI/XII related to Computer Networking, Communication Technologies are listed below. These abbreviations are not listed in any order – all of...

Python variables – What is Dynamic variable binding in python?

by Pawan Arora | Mar 9, 2020 | CBSE, Computer Science, CS Python, Informatics Practices

In python variables are not declared – as declared in many languages like C, C++, Java etc. Python associates variable type on the basis of value stored in it.  Now since its not always we assign a value to a variable while writing a code, sometime value is...

Python “None” keyword

by Pawan Arora | Mar 8, 2020 | CBSE, Computer Science, CS Python, Informatics Practices

Unlike ‘pass’, ‘none’ is a keyword in python and not a statement. You must have observed specially CS and IP students – in programming we use null to represent absence of a value. What exactly does keyword ‘None’ do in python?...

Python “pass” statement

by Pawan Arora | Mar 7, 2020 | CBSE, Computer Science, CS Python, Informatics Practices

In python ‘pass’ is a keyword as well as a complete statement in itself. There could be a situation while programming that you want to implement some code in the form of a function or a loop but in future i.e. some time later. Choice is that you can omit...