JURNAL-Chapter 3

The Internet

• A network of networks.
• Began in 1969 as ARPAnet (Advance Research Projects Agency).
• It has no central and can’t be precise the size of it, and its free.

The World Wide Web

• A subset of all computers’ hypertext or hypermedia documents.
• Those computers have a link to other computer in the world.
• Began in 1991 at the European Particle Physics Lab (CERN) in Switzerland.

Acronyms Abound

• http - HyperText Transfer Protocol is used to transmit web document
• https - secure protocol for confidential transactions
• html - the language in which all web document displayed
• tcp/ip - a suite protocol that allows multiple platform to communicate
• isp - internet service provider

The Internet Browser

• Domain names:

o Original six:

§ .edu(education)
§ .com(commercial)
§ .gov(government)
§ .mil(military)
§ .net(network administrator)
§ .org(non-profit)

o New domains:

§ .biz(business)
§ .pro(licensed professional)
§ .info(information service)
§ .uk(united kingdom)
§ .my(Malaysia)

• URL (no.1):

o Example : www.facebook.com

: www.myspace.com
: www.twiter.com

• Search Engines (no.3)

o Use for find web
o Use a key word to easy searching (no.2)
o Use multiple search engine for a best result

• Copyright Protection

o Put your exceptions of your public domain

• Other skill of using internet

o Saving an image
o E-commerce
o Set a favorite link

• Make a web page

o Using Microsoft word
o Using html structure
o Using a simple text

JURNAL-Chapter 2

Operating System

• Means a master control of all computer’s activities and systems.
• Function of OS:

o User interface
o Job management
o Task management
o Data management
o Device management
o Security
o History
o Command OS

Application software

• Divided by 2:

o OS – Windows, Linux, Mac OS
o Application Software – Microsoft Office, Internet Explorer

Anti-Virus

• Is a computer program that attempt to identify, neutralize software
• Example of anti-virus software:

o Kaspersky
o Norton
o Nod32
o Eset32
o McAfee

JURNAL-Chapter 1

What Is Computer?

• Computer is an electronic device for access data (input), process data, store data, and produce result (output) according to a list of instructions.

• A program is a set of instruction that tell computer what to do.

What is Information Technology?

• All form of processing, storing, and transmitting information in electronic form. Example of physical equipment; fax, scanner, computer etc.

• IT is a use of software to convert, store, protect, transmit and retrieve information.

Evolution of Computing Technology

• 1ST Generation (1946-1958): The Vacuum Tubes Years – ENIAC invented by Presper Eckert and John Mauchly

• 2nd Generation(1959-1964): The Era Of The Transistor – AT&T’s Bell Labs working for replace the use of vacuum tubes with transistor

• 3rd Generation (1965-1970): Integrated Circuit – referred to semiconductor chip, pack of huge of transistor onto single wafer silicon.

• 4th Generation (1971-Today): The Microprocessor – referred to a millions of transistor put onto a integrated circuit chip and the invention of microprocessor.