In today's employment world, Information Technology plays major role. Technical knowledge along with Aptitude & Reasoning has become the doorway to software companies. When IT is extensively developing day to day, one should definitely acquire technical knowledge aiming to see career growth in software industry.
What in Technical Knowledge?
Programming Languages - to develop front end applications.
Database - to develop and maintain back end/ database applications.
Networking - understanding devices connected in network to communicate with each other as well as other networks.
Hardware - understanding processors, memory storage devices, Input & Output devices and more.
Operating System - to communicate between the software and Hardware in a computer.
Software Testing - the process of evaluating a system with the intend to satisfy specified requirements.
How to prepare for Technical Interviews?
One should be curious to knowledge updates; Software world is that place where you should keep updating with new market technology trends. Get some basic knowledge about all technical concepts as the logic remains same with any language and one can get the ease of working with any language in your company. Thoroughly get updates from your friends, IT magazines, Internet, News, etc. one can get knowledge from real time people through blogs.