UNIT INPUT OUTPUT (Sistem bus, standar i/o interface, pengaksesan peralatan i/o)

REFRENSI TENTANG KABEL STRRAIGH 

https://deenugraha.wordpress.com/about/membuat-kabel-utp-straight-cross/

http://www.adalahcara.com/2013/06/cara-crimping-kabel-utp-ke-rg-45.html

http://teknodaily.com/pengertian-kabel-jaringan-utp-kelebihan-dan-kekurangannya/

http://ilmukomputer.org/2013/02/02/mengenal-kabel-utp-cross-dan-straight/

https://sites.google.com/site/tetystmik/kabel-utp-straight-dan-cross