อ้างอิง

ข้อมูลอ้างอิง

http://www.comgeeks.net/card-reader/

http://www.mindphp.com/%E0%B8%84%E0%B8%B9%E0%B9%88%E0%B8%A1%E0%B8%B7%E0%B8%AD/73-%E0%B8%84%E0%B8%B7%E0%B8%AD%E0%B8%AD%E0%B8%B0%E0%B9%84%E0%B8%A3/2407-sound-card-%E0%B8%84%E0%B8%B7%E0%B8%AD%E0%B8%AD%E0%B8%B0%E0%B9%84%E0%B8%A3.html

http://itsentre.blogspot.com/2013/03/graphic-card.html

http://clear-com.com/%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%8C%E0%B8%94%E0%B8%88%E0%B8%AD%E0%B8%84%E0%B8%B7%E0%B8%AD%E0%B8%AD%E0%B8%B0%E0%B9%84%E0%B8%A3-%E0%B9%81%E0%B8%A5%E0%B8%B0-%E0%B8%A1%E0%B8%B5%E0%B8%AB%E0%B8%A5%E0%B8%B1/

http://recommend-graphics-card.blogspot.com/2017/07/graphic-card.html

http://www.comgeeks.net/ram/

http://itnews4u.com/Ram-Memory-Computer.html

http://www.xn--12cg1cxchd0a2gzc1c5d5a.net/%E0%B9%80%E0%B8%A1%E0%B8%99%E0%B8%9A%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%94/

http://itsentre.blogspot.com/2013/03/mainboard.html