https://www.youtube.com/watch?v=925dSEoUTYo

https://www.google.com.eg/url?sa=t&rct=j&q=&esrc=s&sourc

e=web&cd=12&cad=rja&uact=8&ved=0CFYQFjAL&url=http%3A%

2F%2Fedusw.awardspace.com%2Fhardwer.doc&ei=t8cLVfqlLoyiP

dLXgJAM&usg=AFQjCNFIri_ilUk3nbRtQGpVFEr_A_IVSg&bvm=bv.8

8528373,d.ZWU

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e=web&cd=1&cad=rja&uact=8&ved=0CCEQFjAA&url=http%3A%2

F%2Ffaculty.ksu.edu.sa%2F14994%2FDocLib1%2F%25D9%2585%25

D9%2583%25D9%2588%25D9%2586%25D8%25A7%25D8%25AA%2520

%25D8%25A7%25D9%2584%25D8%25AD%25D8%25A7%25D8%25B3%

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B4%25D8%25AE%25D8%25B5%25D9%258A.doc&ei=t8cLVfqlLoyiPdL

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SA8zerWDRBQ&bvm=bv.88528373,d.ZWU

https://www.google.com.eg/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&cad=rja&uact=8&ved=0CEsQFjAJ&url=http%3A%2F%2Fwww.mohp.gov.eg%2Ftraining%2FDocLib%2F%25D8%25A7%25D9%2584%25D8%25AD%25D8%25A7%25D8%25B3%25D8%25A8%2520%25D8%25A7%25D9%2584%25D8%25A2%25D9%2584%25D9%258A%2520%25D9%2584%25D9%2584%25D8%25AA%25D8%25B9%25D9%2584%25D9%258A%25D9%2585%2520%25D8%25A7%25D9%2584%25D8%25AB%25D8%25A7%25D9%2586%25D9%2588%25D9%258A%2520%25D8%25A8%25D9%2585%25D8%25AF%25D8%25A7%25D8%25B1%25D8%25B3%2520%25D8%25A7%25D9%2584%25D8%25AA%25D9%2585%25D8%25B1%25D9%258A%25D8%25B6%2FCompSince1.doc&ei=t8cLVfqlLo

yiPdLXgJAM&usg=AFQjCNFvw-GMAOhrHoIQ9SRGDQS4i36OJQ&bvm=bv.88528373,d.ZWU

http://www.thaqafnafsak.com/2013/04/computer-components.html

http://download-internet-pdf-ebooks.com/2092-free-book

https://www.youtube.com/watch?v=mBqzzXZw7ok

https://www.youtube.com/watch?v=C0gPci7HdF4

http://www.boosla.com/showArticle.php?Sec=Hardware&id=54