Tech_Q is a windows application. This application is very useful for computer science and computer engineering student who appear in interview. This application have very important questions which are commonly asked in interviews. This application is very easy to use. After installing the application, open up application. First of all a cover screen will appear for 3 seconds in front of you. then home screen will in front of you. This would contain categories of interview questions. Tap button , then list of questions you have taped will open. tap question to open explanation. this application contain questions of following subject. Programming Interview Questions software engineering Interview Questions Information technology interview questions Computer Network Interview Questions Operating System Interview Questions Database and SQL interview Questions. In next version we will add data structure interview questions.