Cloud computing provides convenient on-demand access to shared computing resources like networks, servers, storage, applications and services. It allows users to access applications from anywhere using a web browser without installing them. Popular cloud services include file storage and sharing services like Dropbox and Google Drive, social networks like Facebook and Twitter, and productivity tools like Google Docs.

1. Cloud computing
Cloud computing ໹¹Çµ¡ÃÃÁà·¤â¹âŤÍÁ¾ÇàµÍÏ áÅÐ
š Ñ Õ Ô
¡ÒÃÊ×èÍÊÒÃÃٻẺãËÁ‹·ÕèÁÕ¡ÒûÃÐÁÇżż‹Ò¹à¤Ã×Í¢‹ÒÂÍÔ¹à·ÍÏà¹çµº¹
â¤Ã§ÊÌҧ¡ÒûÃÐÁÇÅ¢¹Ò´ãËÞ‹áÅСÒÃẋ§»˜¹·ÃѾÂҡáÒûÃÐÁÇÅ
¼ÅÃÇÁ¡¹«§â´ÂÊǹãËÞà‹ »¹¡Ò÷ӧҹ¼Ò‹ ¹àǺàºÃÒà«ÍÃÁ¤ÇÒÁÊÒÁÒö
‹ Ñ èÖ ‹ š ç Õ
㹡ÒûÃÐÁÇżŢÍÁÅáÅÐàǺá;¾ÅàÔ ¤ª¹µÒ‹ §æ¼Ò‹ ¹Í»¡Ã³ËÅÒ¡ËÅÒÂ
Œ Ù ç Ñ Ø 
á¾Åµ¿ÍÏÁ·Ñé§ÂѧäÁ‹¨Ó¡Ñ´Ãкº»¯ÔºÑµÔ¡ÒÃÍÕ¡´ŒÇÂ
½†ÒºÃÔ¡ÒäÇÒÁÃÙŒ·Ò§ÇÔ·ÂÒÈÒʵÏáÅÐà·¤â¹âÅÂÕ Êӹѡ§Ò¹¾Ñ²¹Ò-
ÇÔ·ÂÒÈÒʵÏáÅÐà·¤â¹âÅÂÕáË‹§ªÒµÔ (ÊÇ·ª.) ä´Œ»ÃÐÂØ¡µãªŒ Cloud com-
puting 㹡ÒúÃÔËÒèѴ¡Òà áÅЧҹºÃÔ¡Òõ‹Ò§æ µÑÇÍ‹ҧઋ¹ Face-
book, Youtube, Twitter, Slideshare, Google Apps, Deli-
cious áÅÐ Wordpress.com ໚¹µŒ¹
¨Ø´à´‹¹¢Í§ Cloud computing
ࢌҶ֧䴌·Ø¡·Õè ·Ø¡àÇÅÒà¾Õ§ᤋàª×èÍÁµ‹ÍÍÔ¹à·ÍÏà¹çµ
ª‹ÇÂÅ´µŒ¹·Ø¹ »ÃÐËÂÑ´§º»ÃÐÁҳ㹡ÒôÙáÅÐÃÑ¡ÉÒÃкº
ÊÒÁÒöÇÑ´ÃдѺËÃ×Í»ÃÔÁÒ³¡ÒÃ㪌§Ò¹
ÁÕ¤ÇÒÁ¹‹Òàª×èͶ×ÍáÅÐÃкºÃÑ¡ÉÒ¤ÇÒÁ»ÅÍ´ÀÑÂÊÙ§
ÁÕ¤ÇÒÁÂ×´ËÂØ‹¹ÊÙ§ ÊÒÁÒö»ÃѺ¿˜§¡ªÑ¹µÒÁ¤ÇÒÁµŒÍ§¡ÒÃä´Œ
ÊÒÁÒö·Ó§Ò¹¼‹Ò¹ÍØ»¡Ã³·ÕèËÅÒ¡ËÅÒÂ
»ÃÐàÀ·¢Í§ Cloud computing
Software-as-a-Service (SaaS)
GoogleApps, Facebook, Twitter, Hi5, Picasa, Youtube, Yahoomail,
Hotmail, SaleForce.com, CRM, HR, ERP, World Cat, Library Thing
Platform-as-a-Service (PaaS)
GME, IBM Mashup Hub, Yahoo Pipes, Google App Engine, Zoho
Creator, Microsoft Azure, ÅOCLC Web Services, Catalog &
Database FB Apps
Infrastructure-as-a-Service (IaaS)
Amazon EC2, Amazon S3, SunGride, Flexiscale, GoGrid, LibLime.