Ultrabook

What is Ultrabook?

Ultrabook can be regarded as a new genre that would soon flood the computer market. Ultrabook created by combining the convenience of using a pc tablet with the productivity capabilities of a high-powered notebook. Dimensions are thin, light weight, instant on (directly ready for use when turned on), and battery life in standby condition is desirable from a tablet. However, the lack of productivity of a tablet makes it less reliable when asked to work hard. All these aspects are combined in an Ultrabook.

Basically Ultrabook will have several aspects:

     Dimensional thin, less than 20 mm on the thick side
     mild
     Instant on, making it ready for use in a matter of seconds after turned on
     Using an Intel Core i3, i5, i7 or second generation (Sandy Bridge) type of ULV (Ultra Low Voltage) which makes high performance with minimum battery life of 5 hours when used on the move.

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Computer

       At the earlier time, Computer was refer to human computer, a man that which the job was count or do arithmetic calculations, with or without assistive devices.

       Along with the changing times, people start trying to develop tools to perform arithmetic calculations that are considered to be quite difficult. Starting from simple tools such as the abacus evolved into mechanical/electrical tool, which then become more dominant in the calculation job which was later named computer.

       So the computer was originally a calculating machine. The work done with computers almost always associated with problems of arithmetic. But then the computer use for many tasks and occupations, not just those related to mathematics alone. Computers are now used in almost every field of work. Development of Internet technology is also increasingly expanding use of computers.

       By the time, definition of computer as a calculating machine is no longer appropriate given to today's modern computers. Computers today can be interpret as the equipment used to process data into specific information, according to the procedure have been formulated. Such data may include numbers, letters or words and the resulting information can be signed articles, graphics etc. Another definition from Wikipedia: a Computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations.

Computer network

         Computer network is a system of a computer connected to another computer with the help of certain devices and media that work together. Judging from the sense or meaning of that definition was in a computer network comprises at least two computers, tools and media liaison. Computer network can also consist of thousands of computers with a very wide range of locations, spanning the entire world like the internet, because the internet basically is a computer network. 

 

         Computer network was made for for a specific purpose such as resource efficiency with usage of the resources together: for example the use of shared printers, scanners, etc; Communications: for example, electronic mail (e-mail), information or data access: accessing customer data in a bank or access the website in the internet.
         Auxiliary devices in a network can be hardware i.e. network card (network interface card / NIC) installed on each computer and interconnection equipment such as Hub, Bridge, Switches etc. Other device in the form of software (software) is a network operating system software (Noss) which serves to make the management of network systems, for example: Windows for Workgroup etc.

        Connection medium or medium of data transmission in computer networks can be either wired or wireless such as radio or microwave.

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