Please I need the answer in doucment so I can copy them 1Com

Please I need the answer in doucment so I can copy them

1-Compare and contrast the two major types of networks?

2-Describe the four categories of ethical issues related to information technology?

3-Explain the six problems that can be minimized using the database approach?

Solution

1ans)the 2 important major networks are LAN and WAN

LAN:local area network

WAN:wide area network.

both of them are explained below;

local area network;this type of network is used to connect or share resources with in the building or office.it able to share resources like printer ,etc in same buliding .softwares and hardwares can be shared.softwares are stored in servers and downloaded and shared within them.even files can be shared same way like software shared by downloading from server.data or messages can be shared by people through network.

wide area network:wide area network is used to connect all over the world.communication links like satellite,fibre optices etc are used for connecting wan.internet we are using is worldwide wan and lan can be connected using routers.fucntionality is same as lan but is used for higher ranger or scale of area is more.major diffenerce is wan is used for distance and lan is for speed.

2ans)I found many ethical issues related to information technology.among them we discuss major issues related to information technology.

among them one is-some websites traking and spying the activity\'s of users .

employeers spying employees mails etc.

some hackers hacking details or data of databases

and one of the worst part is swamp mails.

and fishing

fishing is some hacking technique .let us consider we had a gmail account.when we browse a gmail site some thired person will display some page like gmail and when we entered a id and password it stores the data and he redirect to original gmail again by showing an error message like emain wrong etc.and he hacks our passwords this is fishing.

coming swamp messages .this is major issue most of the time we found our inbox whith swamp messages it cause a lot of fractration to the user.

hacking data base is major issues;hackering are hacking databases data of individuals and getting details of account information and thefting money illegally from their account

these are ther issue of information technology.

3 ans)Database approach makes life easier and many problems like stress,resourecs wastage is reduced and improves flexibllity and time saving and also provides security and privacy to out data.in older days we use to store data in files and papers which causes alot of resources wastage and required more human intervention to do physical work like making files to be safe and it took a lot of time to verify a particular information from a huge file and also requries a huge human work to maintain this physical data.after the data base approch came into existance these problems are solved.there are many types of databases models are there but one among all and famous is Reational Data Base Model.in relational data base model data is stored in the form of rows and colums in table.with the help of data bases people can easily get details of any information without any huge physical struggle .if he know sql language.and also provides a great security in maintaing etc