This are presentations about the software and the hardware in computers:
https://drive.google.com/file/d/0B_LnaXhuDE3BUld2ZXdhd3pLMXc/view?usp=sharing
https://drive.google.com/file/d/0B_LnaXhuDE3Bb291b1VLSmcyVlk/view?usp=sharing
https://app.box.com/s/8l7i8xhmibcpxgrsh830v6iimws3wb2v
https://prezi.com/qblue4ldoxe3/software-and-hardware/
https://app.box.com/s/8l7i8xhmibcpxgrsh830v6iimws3wb2v