Senin, 27 Oktober 2008

NETWORK

Network from system of data communications to involve one or more system computer which to connect with line transmission of communication to form one system. With network, computer which one can use the data which to get on other computer. Network to form the way of very good for integrating system information and to channel the information current from one area to other area. To form a system network, required a special software communication, that is protocol.

Component from a network is node and link. Node is dot which can accept the data input into network or yield the output information. Node can be in the form of a printer or appliance print other, or a PC or micro computer until big mainframe computer.

Link is channel or transmission line or carrier for the current of information or data of among node. Link can be in the form of the cable , microwave system, laser of system or satellite system. Network which is each located node in location which far one with other and use the link in the form of transmission line of long distance that is WAN (Wide of Area Network). While network which is each separate node in distance which local and use the link in the form of transmission line cable that is LAN ( Local Area Network).

Senin, 20 Oktober 2008

Asking & Answering Questions

  1. Asking & answering questions
  • Yes / No Questions (Do or did)
Dou you like play football?
Yes, I do

Football very liked by everybody and all circle. Many people liked football. Because this sport playable by many people. In a team have eleven player to play at field, and there are some player as reserve player, and in a match there are referee and referee assistant.

COMPUTER SYSTEM

So that computer applicable to process data, hence have to the in form of system computer. System is network from at elements which interact. Forming one union to execute target from the system.


Target from system computer is data process to yield the information. An the fundamental target executed, hence elements there must be supporting. Elements from system computer is software, hardware, and brainware.

  • Hardware is equipments of system computer which physically seen and can be touched.

  • Software is containing program govern to processing data.

  • Brainware is human being in concerned in operating and also arrange the system computer.

Third of the element system computer to have interact and form one union. Hardware without existence of software, hence will not function such as those which expected, only in the form of dead object. Software to operate the hardware. Hardware done supported by software nor will function except that there is human being operating.