Answer to Sir Syahadan

I can try...A computer take a single second to operate..different with human being..We use hand and our sense to do any work...and a human will take about 30 seconds to complete their work..but a computer will just take a second and operate in a electronic circuits..its totally different with human..

Communications and networks

Computer allows us to communicate.Computer communications describes a process in which two or more computers or devices transfer data,instructions,and information.For succesful communications,you need a sending device,a communications channel,a communication device,and also a receiving device.All of them will help you to communicate successly.

Internet

The internet is a worldwide collection of networks that links millions of web pages.It is very useful to us.Through the internet we can accsess wealth of informations.We also can connect to other computer and chat with our friends.We can create our own email and of course blog to make new friends.Internet also allows us to view video clips,u-tube in any web sites.In conclusion,internet is very useful technology to us as a user especially for students and workers.

System software

Software is a program and also known as serious instructions that tells the computer what to do and how to do it.Two categories are the system software and the application software.System software consits of the programs that control or maintain the operations of the computer and its devices.There are two types of system software,1st is operating system.This is a set of program that coordinates all the activities among computer hardware devices such as Window XP.2nd is the utility program, which allows a user to perform maintenance-type tasks.While application software consits of progarams designed to make users more productive and assits them with personal tasks.All of this system make us feel easier and more productive to work with.

Input n Ouput

A computer can directly process data into informations,which means data is input and output is informations.This process called information processing cycle.To process and store the input into output,computer must have input and output devices.Input devices is any hardware component that allows you to enter data and instructions into a computer.This included the keyboard,the mouse,microphone,scanner,digital camera and etc.Whereas,output devices is any hardware componets that conveys information to one or more people like a printer,a monitor, speakers,and other modern devices.