UNIX is a – 28/02/2025 by Md. Saifur Rahman a) Word processing Softwareb) Databasec) Operating Systemd) Hardware Correct Answer : c) Operating System Related Posts:Parts Of Speech কাকে বলে? কত প্রকার ও কি কি?অর্থনীতি পরিচয় (Introduction of Economics)What is cloud technology and how does it work?All computer must have-TechnologyWhat is DOS (as related to computer)?