dEfiNitiON bLog

A blog is a website where entries are made in journal style and displayed in a reverse chronological order.

• Blogs often provide commentary or news on a
  particular subject, such as
  Ø food,
  Ø politics, or local news
  Ø some function as more personal online diaries.
  
• A typical blog combines
  a) text,
  b) images,
  c) links to other blogs,
  d) web pages,
  e) other media related to its topic.

The ability for readers to leave comments in an interactive format is an important part of most early blogs.

ADVANTAGES
Blogs are easy to create
Now creating blog has become child's play. You don't need any advance and expensive softwares or monkey tricks to create a blog. You just have to sign up to blog providers (Blogger, wordpress, typepad , etc). Then you have to follow just 3 steps i.e. name the blog, Choose template (blog providers will offer you varieties of templates) and start posting.

Blogs are easy to maintain
You don't need any software to maintain your blog. You can maintain your blog online. After you sign in to your blog account you can create a post, edit post, change blog template, customize your blog and change blog settings easily.

Blogs are search Engine Friendly
Since each post of the blog is assigned with different URL address. Each of them will have its own and separate web page. If you care of making good posts focused on a specific topic and carefully choose good keywords describing your posts then it will have more chance of ranking well with search engines. Also blogs trends to be updated regularly, search engines will crawl them easily to their index since search engines prefer fresh posts.

Blog hosts are for free.

You have probably seen in various sites or blog "5 mb web hosting just for $5 per year". People waste their money doing web hosting. Blogs are free for all. Any people of this world can start blogging in just few minutes. Blog allows you all the features provided as the site. Some more features are also provided by blogs. Not only blogs are free but also you can earn money from blogging

ApplicAtioN sOftwAre VS systEm sOftwARE

APPLICATION SOFTWARE..
Program design to make users more productive..

Application software distribute by:
ØPackaged software, mass-produced
ØCustom software, performs functions specific to a business or industry
ØWeb-based software, hosted by a Web site
ØOpen source software, provided for use, modification, and redistribution
ØShareware, copyrighted software that is distributed free for trial period
ØFreeware, copyrighted software provided at no cost
ØPublic-domain software, freeware with no copyright restrictions

Application software have
E-mail
Webbrowsers..
Chat rooms

Videoconferencing

FTP

Newsgroups /Message Board

Instantmessaging

InternetTelephony

Blogging

SYSTEM SOFTWARE..

Program that control the operation of the computer.

Serves as the interface between the user, the application software, and the computer’s hardware

..rAmAdhAn al-mubArAk..

Doa Ramadan: Hari Ketiga Puluh “Ya Allah, jadikan puasa ku disertai dengan rasa syukur dan diterima oleh Mu melalui jalan keredaan Mu serta keredaan rasul Mu, cabangnya yang kukuh dan kekuatan keberkatan, demi kenabian Muhamad saw dan keluarga baginda yang suci dan segala puji bagi Allah, Tuhan sekalian alam.”

input and output

Computer has play in important role in modernization era. This technology inventions has been improving since it first introduce d to the world. Computer make works become more easier and comfort for users. Many items on computer such as input and output.
Input is a data or instruction entered into the memory of computer. Input device is any hardware component that allows users to enter data and instructions. While output is a data that has been processed into useful form. Input device is any hardware that can conveys information to one or more people.
The other types of input is voice input, audio input, PDA, smart phone, tablet PC, digital camera, resolution, video input, PC video camera and a Web cam, video conferencing, scanner, turnaround document, optical reader, RFID reader, magnetic stripe card reader, MICR reader, POS terminal, ATM, and biometrics. While the other types of output device are audio output device, voice output, facsimile(fax) machine, multifunction peripheral and data projector.
Voice input is entering input by speaking into a microphone. Voice recognition or speech recognition is the computer’s capability to distinguish spoken words. Audio input is entering sounds into a computer-speech, music, and sound effects. MIDI- standard defining how digital musical devices represent sound electronically. Users can input and send text messages, graphics, pictures, video clips, and sound files on the smart phone. Tablet PC is a mobile computer. Primary input device is a pressure-sensitive digital pen. Digital camera allows you to take digital pictures. Images viewable immediately on camera such as download to computer and post pictures to web. Resolution is a number of horizontal and vertical pixels in a display device. Resolution range from 3 million to more than 16 million pixels (MP). Pixels (picture element) is smallest element in electronic image. Video input is a process of capturing full-motion images and storing them on a computer’s storage medium. PC video camera is DV camera used to capture video and still images and to make video telephone calls on internet. Web cam is a video camera that displays its output on a Web page. Video conferencing have two or more geographically separated people who used a network or the internet to transmit video and audio data. Scanner is a light-sensing device that reads printed text and graphics. Turnaround document is a document that you return to the company that sent it. Device that uses light source to read characters, marks, and code and then converts them into digital data as optical reader. RFID reader used to reads information on the tag via radio waves. Magnetic stripe card reader can reads the magnetic stripe on the back of a credit card. MICR reader can reads text printed with magnetic ink. POS terminal can records purchases, processes, credit or debit cards and updates inventory. ATM machine self-service banking machine that connects to a host computer through a network. Biometrics is a authenticates person’s identifying a personal characteristic. Example of biometric technology are voice verification, signature verification and iris recognition system.
Example of output device is computer component that produces music, speech or other sound. Voice output make computer talks to you through speaker on computer. Facsimile(fax) machine device that transmit and receives over telephone lines. Multifunction peripheral provides functionality of a printer, scanner, copy machine and fax machine. Data projector device that takes the text and image from computer screen and projects it onto larger screen.

computer perspective

having a computer in wokrplace has it advantages and disadvantages.Among the advantages of having a computer in a workplace are it make the environment of the workplace more condusive. When the environment are condusive, it can highly increase the productivity and workers can have their work in comfortable feelings.

In addition,the computer are speed and consisteency.Having a computer in the wworkplace can make the work easier and the workers could do their work faster. The quality of their work is also good.For example when workers do their work using computer there is less mistake in spelling and can save their work effectively in computer.

Besides that,the computer are realibility and we can communicated with other in the world. Moreover,the workers in become more knowledge by surfing the internet.They can get to know the recent news just by click to the computer.

However having a computer in the workplace also has ugly side.Among disadvantages such as violation of privacy,public safety,impact on labor force,health risk and impact on environment.