Recent Posts

by Osama M. Khaled last modified 2022-05-30T07:25:12+01:00

Area of complex shapes

by Osama M. Khaled — last modified Oct 14, 2021 06:23 AM
These are more into practical questions in real life. We do not find shapes just in simple squares and circles. There are actually different types of shapes compiling basic shapes all in one. Take this quiz and enjoy the challenge

Java conditions

by Osama M. Khaled — last modified May 04, 2022 05:55 AM
The quiz presents a Java code that takes an input and prints an output based on some conditions. Take the quiz and test your understanding about conditional statements

Geometry Basics

by Osama M. Khaled — last modified Jun 07, 2022 02:25 PM
Test your basic knowledge about geometry. We all need some refreshment every now and then. You think you remember everything about geometry. You may be wrong ... Test your knowledge please.

What are the trade-off choices between performance and security?

by Osama M. Khaled — last modified Jun 08, 2022 09:24 AM
A trade-off decision that many solution architects struggle to make is what requirements to compromise if security and performance requirements conflict? Something which I saw many times in my long career. One point of view is that good user experience is linked primarily to the performance of the system since it does make sense to provide good functionality but without a responsive system. On the other hand, some architects would see that providing a maximum level of security would give a better user experience. This may be true, but have they considered system performance while adding all security measures?

How can IoT Frameworks make a difference?

by Osama M. Khaled — last modified Jun 19, 2022 11:50 AM
The term IoT refers to the world of “things” that interact over a network. The term “things” refers to living organisms or dummy objects that can be equipped with sensors, processing power and network connectivity. For example, smart phones are objects that can sense information from the world and transfer it to other objects. A smart phone can be used to read an RFID tag embedded in a board or a piece of clothes and gets information about it [1].

Java Acronyms

by Osama M. Khaled — last modified May 04, 2022 05:55 AM
There are some important acronyms which java developers usually use to communicate with each other. It is a kind of a language now that hiring managers usually expects a java development to know. This quiz covers some of these common acronyms.