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What is Generalization in DBMS?

In this blog, we will learn about the feature of an extended E-R diagram called Generalization where we will see how two or more entity types cn be clubbed together to form a new entity type.

19 Jan 2020

AfterAcademy Tech

What is Flow-Control in networking?

In this blog, we will learn what is flow control, what happens when the sender and receiver work at a different speed. We will also discuss the flow control methods to control the flow of data between the sender and the receiver.

19 Jan 2020

AfterAcademy Tech

What is network topology and types of network topology?

In this blog, we will learn about various network topologies, their advantages and disadvantages in a computer network.

19 Jan 2020

AfterAcademy Tech

What are the Data Transmission Modes in a network?

In this blog, we will learn about different data transmission modes based on the direction of exchange, synchronization between the transmitter and receiver, and the number of bits sent simultaneously in a computer network.

19 Jan 2020

AfterAcademy Tech

Convert Roman Numerals to Integers

This is a problem of converting roman numerals into corresponding integer values. This problem is asked by Amazon, Microsoft, Facebook in their interviews.

16 Jan 2020

AfterAcademy Tech

Minimum in a Sorted and Rotated array

You have a sorted and rotated array where elements are sorted and rotated circularly. Write a program to find the minimum element in the array.

16 Jan 2020

AfterAcademy Tech

The Concept of Hashing in Programming

In this blog, we will learn about the concept of hashing in programming. We will learn about Direct Address Table, Hash Table, Hash Function, a collision in Hash table. So, let's get started.

15 Jan 2020

AfterAcademy Tech

Minimum Absolute Difference in an Array

Given an array of distinct integers A[ ], write a program to find all pairs of elements with the minimum absolute difference of any two elements.

13 Jan 2020

AfterAcademy Tech

Fractional Knapsack Problem

This is an interview problem asked by companies like Amazon. This problem is based on Greedy Algorithm and is one of the very basic problem for understanding Greedy Algorithms.

13 Jan 2020

AfterAcademy Tech

How to traverse in a tree?

It is important to know traversal techniques in a tree before solving tree problems. We have discussed the 3 primary traversals in a tree at length in this blog with both recursive and iterative implementations.

09 Jan 2020