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New iMac

The new product launched by apple is very gorgeous and powerful computer in this decade. New IMac with stylish design and everybody is look this product have an interest to get one. The technical specifications I look are very good for performance in graphical, gaming, and make fast work. Processors are use by this package is core 2 duo (3.06-3.33Ghz) and quad core (2.66-2.8Ghz). Below is the technical specification from the Apple website.

Technical Specification
Monitor       : 21.5 inch and 27 inch
Resolution   : 21.5-inch models: 1920 by 1080 pixels and 27-inch models: 2560 by 1440 pixels.

Processor    : Core 2 duo (3.06-3.33Ghz) and Quad core (2.66-2.8Ghz)
Price            : 21.5’ starting at $1199 and 27’ starting at $1699.

IMac is powerful gaming and with the ultimate display.

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Central Processing Unit

We know that, CPU is responsible to control for all events or operation inside the computer. The major structural components of CPU are Control Units, Arithmetic logic units (ALU), Register and CPU interconnection.

Figure 2: Central Processing Unit

Function of components
• Control Unit is use to control the operation of the CPU and hence computer.

• Arithmetic logic units (ALU) to perform the computer’s data processing functions.

• Register to provides storage internal to the CPU

• CPU interconnection is a some mechanism that provides for communications among the control unit, ALU, and register

Figure 3: Control Unit

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Structure of Computer

Figure 1: components of computer

Structure of computer is a way in which the components are interrelated. In computer, there are four main structural of components:

1. Central processing units (CPU): Control the operation of the computer and perform its data processing  functions: often simply referred to as processor.
2. Main Memory: Store data.
3. Input/output (I/O): Moves data between the computer and its external enviroment.
4. System Interconnection: Some mechanism that provide for communication among CPU, main memory and I/O

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 HP Pavilion dv7t series

The new product from HP Pavilion with good specification for business categories to do their work is easy and so fast. These laptops have three variants color will be choice to customer. The processor is Intel Core 2 Duo with 6 series difference specification of processor to give higher performance to use these laptops. From specification I look from HP website, this product is very affordable to customers to buy this product. The price of the laptops is starting from $749.99 is follows what the customers choice of specification of the laptops. From customers rating in official HP website 77 people vote this product is five stars.
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Computer-History

Nowadays, computer is very valuable tool to all people in the world. Several ages of people are familiar using a computer to solve any problem and do their work. Many people know to using the computer but do not know the history about computer. We begin our study of computer with brief history. History of computer can be dividing to five generations.

The first generation is a Vacuum Tubes, ENIAC (Electronic Numerical Integrator And Computer) designed by and constructed under supervision of John Presper Ecken at the University of Pennsylvania. This project to response to U.S wartime needs during World War II. Project will be started at 1943 and resulting machine was enormous, weighing 30 tons, occupying 1500 square feet of floor space and containing more than 18,000 vacuum tubes.

The second generation is a Transistors, the first major change in the electronic computer came with the replacement of the vacuum tube by the transistor. The transistor is smaller, cheaper and dissipates less heat than vacuum tube but can be used in the same way as a vacuum tube to construct computer. Unlike the vacuum tube, which requires wires, metal plates, a glass capsule and a vacuum, the transistor is a solid state device, made from silicone.

The third generation is a Integrated Circuits, the combining of electronic equipments to design complex electronic machine in one circuit board and installed in the computer.

The fourth generation is a Microprocessor, just as the density of elements on memory chips has continued to rise, so has the density of elements on processor chips. As time went on, more and more elements were placed on each chips, so that fewer and fewer chips were needed to constructs a single computer processor.

The fifth generation is a Artificial Intelligence, the intelligence of machine will be taking an action and make a decision perceives its environments. With AI many the higher difficulties of problem will be solve and the intelligent machine will be analysis the problem to making decision from situation to solve the problem. The computer like be a brain of human.

Computer is a fast growing technology to make easy of people to do the job. Who is not knows to use the computer as a people is not knows to writing. The computer is easy to use.

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