Future of computer

We have been looking at a lot of things about computer. Today, in last article, I will introduce you to future of computer such as cloud computing, e-book and e-learning.

What is Cloud Computing? 

chart1: conceptual diaglam of cloud computing

　Cloud computing is a kind of utility form of computer. In this term, 'cloud' doesn't mean actual cloud but network(Internet). Today, we can utilize Applications such as Word, Database and etc because



Good Points of Cloud Computing
 By utilizing cloud computing, we can deal with same data by different equipments(smartphone, PC, etc), in different places(company, home, train, etc). Also, we can share various forms of information more easily. In short, it will be more easy for everyone to share and access information.

Bad Points of Cloud Computing

•  danger of Information security 

In cloud computing, various important dates, such as bank personal medical information, are  all stored in some web severs. So, hackers may become intend to attack web severs to gain these information, leading to big loss of user of Cloud.

• System down

 Although sharing information, database, application and etc brings us comfortable lives, it may lead to very serious　ploblems. If system downs occur in cloud, we all cannot use application database and etc, leading to having big impacts on company, indivisuals, and governments.

Reference

• http://d.hatena.ne.jp/kiyo560808/20090304/1236185359
• http://www.atmarkit.co.jp/fnetwork/rensai/5mincloud/01.html