Functional: Operating System: Windows(2000, NT, XP, 7, 8, 8.1, 10), MS DOS, MAC OS, Linux Database: Oracle, MS Access, MySQL and SQL Server Applications: MS Office, Adobe Photoshop, Orange/Toad Oracle, Avaya CMS Supervisor, Avaya Site Administrator, Adobe Dreamweaver, Corel Draw, AutoCAD, Adobe Acrobat, FTP Applications, Sage50, QuickBooks Enterprise. Hardware: Architecture of different Processor and Peripherals, Security and Power Electronic Appliance, Power Infrastructure, Security and Biometrics Devices.