introduction to ICT

Andrew97

求助！求助！有谁会做以下的题目。。。

1）Acomputer virus is an executable program. Depend on thenature of a virus, it may cause damage of your hard disk contents, and/orinterfere normal operation of your computer. Studies show that an unprotectedcomputer can be infected by a virus within minutes after being connected to theInternet.
Discussthe actions that you might take in order to protect your devices from virus.

2）Digitalcommunications, which factor largely in many people’s personal and businesslives, include any transmission of information from one computer or mobiledevice to another. Successful use of digital communications involves selectingboth the proper communications device and the proper mode of communication fora given situation.
Discussthe good practices while using each of these digital communications as listedbelow :


1.E-mail
2.Multimedia and content sharing
3.Blogs and wikis
4.Online social networks, chat rooms, and Webconferences
5. Digital voice communications

3）A password is a private combination of charactersassociated with the user name that allows access to certain computer resources.Some operating systems allow the computer or network administrator to assignpasswords to files and commands, restricting access to only authorized users.
Discuss theguidelines for selecting a good password so that easy to remember, and that noone could guess.

4）Ergonomics is employed to fulfill thegoals of health and safety and productivity. It isrelevant in the design of such things as safe furniture and easy-to-useinterfaces to machines and equipment. Proper ergonomic design is necessary toprevent repetitive strain injuries, which candevelop over time and can lead to long-term disability.

Discuss the ergonomic issues in inputdevices. Support your answer with appropriate diagrams.

5）The user interface is the user-controllable part of the software thatallows you to communicate, or interact, with it. The kind of interface now usedby most people is the graphical user interface (GUI). With GUI, graphics andmenus may used as keystrokes to choose commands, start programs, and see listsof files and other options.

With the aid of appropriate diagrams,discuss the common features of GUIs listed below :

1.Menus
2.Windows
3.cons
4.Buttons
5. Dialog Box

vjcspore8899

WAH！！老师没教？？？

vjcspore8899

1--4都是讲security and authentication……

5就讲GUI的。。。

Andrew97

vjcspore8899 发表于 23-8-2015 11:06 PM
WAH！！老师没教？？？

我做了1,2 剩下其余三体不会做。。

MikeTeok

这应该assignment 吧？

我不会做，因为我没上你的课，没有你的note

不过我想吐槽一点

第三题那么主观的问题也太奇怪了吧？

密码好记 = 把对自己深刻的事情set成密码 （不过就变得很好猜）
好记+不好猜= 只能是把世界上只有你知道的秘密set成密码（不过这世界没有绝对的秘密）

所以，
不好猜=我们经常会看到很多推荐密码set成 “数字+大字母+小字母+symbol” （这根本就不好记！）

还有，第五题应该google到吧？不要懒惰。

Andrew97

MikeTeok 发表于 27-8-2015 08:53 PM
这应该assignment 吧？

我不会做，因为我没上你的课，没有你的note

不用了，我完成了

jollygoh

竟然是问功课的。。。

但我也不会。。。