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Technology is the process by which people and businesses make big and small changes to meet their needs and wants. Technology is a knowledge used to create tools, develop skills, and extract or collect materials. It is also the application of science, the combination of the scientific method and material to meet an objective or solve a problem. Scale is a way to represent the relationship between the actual size of an object and how that size is characterized, either numerically or visually.

Technology includes all of the public services or systems necessary for the design, manufacture, operation, and repair of technological artifacts, from corporate headquarters and engineering schools to manufacturing plants and maintenance facilities. The knowledge and processes used to create and to operate technological artifacts engineering know-how, manufacturing expertise, and various technical skills are equally important part of technology.

The nature of technology has changed dramatically in the past years. Indeed, the very idea of technology as we now conceive it is relatively new.

The meaning of the word technology evolved to reflect these changes. In the pass century, technology referred simply to the practical arts used to create physical products, everything from wagon wheels and cotton cloth and telephones.

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Appropriate Description of the  sits which explain it purpose and describes intended user.

 PC World UK offers great deals and cheap prices on their latest technology for computers and entertainment products. For computing system they have the largest range of Desktop PCs, Laptops, Printers and Computer Software. The websites is also intended for people who are interested in buying computers for both work places and home.

FOUR STRENGTHS / WEAKNESSES

Strengths

PC website is very welcoming and easy websites to look at when you are on it. The website has beautiful colouring, and has a very worm, friendly welcoming to customer. For example if a customer want to purchase a product from the PC site they will find it easier to go on the link which will encourage them more to look and  buy  products which they want. The links are fast and easy to access.

 Other strength of PC World website is that they have links that customer can go into and look for what they want without any problems when you are on the site. For example a customer wants to purchase a part for their computer at home or software, they can go on the computer link to purchase it without any problems. Customers find PC websites easer to go on and find product that they want. Their websites is well organised and secure for their customer. Customer can also browse on the sit if they just want to look for product or want to have an idea for a particular product they might be interested in the future.

 Their layout system makes it easier for their customer to go on it and get what they want by just clicking on the link that they want to go on. For example if a customer visits the site and looking for product they want to buy they will find it quicker to purchase without any delay. For customer who English is not their first language they have different links that they can go on to place their order without on problems. This is strengths because customers who don’t understand English very well will be able to read and purchase their product with out any misunderstand.

 Weaknesses

The weakness of this PC website is that if you buy a product on the website and you have problems with it there is on number for you to call for them to help you example if you bought software on their websites and you have problems install it you will have to go to one of their shops to have the problems solved. Putting the website through wave web accessibility   evaluation too I found out that they have many faults on the sit this mean people who have a poor vision can not access this websites easily

 for example the links are small for customer with eye problems. Other weakens of PC is that the other links for people who English is not their first language if they wanted to access the link it will take time for the link to come up example customer that speck different language will wait for few minute for the link to come up which can be very annoying for some customer who want to look for something they want to go and buy. Another weakness is that the site has more than four colours.

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Micro-Blogging is a networking services that allows mobile phone and other internet users to stay connected within a group by receiving frequent update, usually up to 140 words or less, and can be written or received with a variety of computing devices including mobile phone. Although most micro-blog broadcast are pasted as a text, some micro-blogging services allow video.

Examples of use of micro-blogging in learning

Twitter has a lot of tools, it can be used to keep student informed about coursework, reading materials and provide them a place for communication. 

Jaiku; a tutor can use Jaiku in learning to send texts massages to student to notify them of things like changing rooms or tell them if there is no class.

In this case all subscribed in the targeted group are instantly notified of the micro-blog, enabling friends to keep tabs on each other in a day to day basis.

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