n da last chapter!12!!

what is enterprise computing?

enterprise means large organization such as multinational corporation,university,hospital,research laboratory, or government organization.meanwhile enterprise computing, meaning that use of computers in networks that encompass variety of operating systems,protocols and network architectures.this chapter tells us what is the purpose of enterprise computing and the uses.

we can know more about the technologies,e-commerce,computer hardware and many more that related to this enterprise.moreover we also can know how to make computer backup to save our important files to be lost.so that we do not have to worry about it anymore.there are also the ways how to recover disasters if this happen.

information system,development and programming languages

information system means that a set of components that interact to achieve common goal.for businesses use many types of systems.there are 5 phases of system development cycle which is planning,analysing,design,implementation and operating,support and security.to develop the system we have to follow these phases one by one in order.so that there will no problem in developing new system.

there are 2 level of programming languages which is low-level languages and procedural languages.we can identify and differentiate between them.we can also develop web page.mostly for big companies.

b0ut chapter 10

in this chapter i learn about computer security,ethics and privacy.

this chapter shows that how we can protect our computer from viruses,worms,Trojan horses,bot nets,denial of service attacks,back doors and spoofing.Spoofing means that someone can duplicate anyone else ID.this have to be stopped before they can intrude computer's privacy.so there are so many ways we can prevent this thing.

another thing we should know in this chapter is how to prevent health-related disorders when using computers.there are some types of injuries causes by due to using computers too much.so it is important for us to know too.