A computer is a general purpose device that can be to carry out a set of arithmetic or logical operations automatically. In this app you will find basic concepts of Computer. Though I created this according to the syllabus of Diploma I Year but it is also useful for other users and particularly for competitive exams.
In this app -
1. Components of computer system
2. Input and output devices
3. Operating system
4. Windows XP
5. Internet
6. Virus
More Content added
Some attractive images added
Updated runs fast and with more ease.
9Apps 4.9
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