bca-1-sem-introduction-to-computer-and-it-20a741-2021.pdf DCRUST Question Paper and solutions, Deenbandhu Chhotu Ram University Of Science And Technology, Murthal, Haryana दीनबंधु छोटू राम यूनिवर्सिटी ऑफ साइंस एंड टेक्नोलॉजी, मुरथल, हरियाणा dcrustonline.com