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CTSS CPA 3A3 _ Grace Tung

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Grace Tung

on 6 April 2011

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Transcript of CTSS CPA 3A3 _ Grace Tung

Mass production is the manufacture of large amounts of standardised products on production lines. It was popularised by Herny in the early 20th century. During that time, mass production made Ford's car (model T) affordable to many people. 1.1 Embedded Processors and Automation productivity is a measure of the amount of things produces per person. Before Henry production increases the amount of things that a company can produce and helps increase productivity. Before Henry Ford's production line, a car would be built by a group of people. So a person may be in charge of fitting the wheels, doors, roof, as well as the lights. With mass production, a person is only in charge of one part of the car. For example, a person may be in charge of only fitting the wheels tends to become skilful in it in a short period of time. This helps to speed up the manufacture of cars. Also, in a mass production line, parts are kept within easy reach. Mass production is a common nowadays that some parts in your daily appliances may actually come from the same factory. That is why the computers that you use are cheaper nowadays because of mass production. While the production line helped to reduce the cost of goods and improve productivity, it had a few disdvantages: ~Requires of large workforce
Because a production line has many steps, it requires a large number of people to support these steps. ~Reptitive boring work
Work in a production line is repetitive and tends to be boring. Automation can overcome these disadvantages. Automation occurs when machines are used to carry out or an activity with minimum human effect or supervision. In the later part of the 20th century, products became more complex and so did the production lines that produced them. Mechanical automation was no longer capable of doing many of the complex tasks. One common way to achieve automation is by using machines that contain embedded processors. Embedded processors are found on circuit boards of computerised machines. Such machines include computers and robot. A processor is a part of the computer that follows instructions and carries out actions. It is like the "brain" of a computer. Benefits of Using Robots. There are some advantages of using robots: Because robots work at fast speeds, products are made in a shorter time. So, with robots, productivity is high.
Because robots can accurate and consistent, consistency and quality of products can be ensured.
The cots of producing goods are reduced in the long run.
Workers do not have to be exposed to conditions that are dangerous or harmful to their health. Computers are being used to perform many functions that used to be done by people. An example is the job of the bank teller. In the past, when you want to deposit or withdraw money, the only way is to join the queue at the bank and interact with the human bank tellers behind the bank counter. Now, human bank tellers have been partially replaced by machines such as the automated teller machines (ATM). Although people still can choose to use the human bank teller on the ATM, most people choose the ATM as it is availble all day and the queue there is noramally short. Modern society is technologically advanced because of human creativity and innovation. Creativity and innovation requiredoing things diferently or seeing things from a different point of view. Currently computers are incapable of these because their 'knowledge' and rules are limited by the progras that they run on. So, humans and still more superior in being creative. 1.2 Publishing and Print Industries Publishing is the activity of putting information in the public arena (e.g. newpapers, magzined, books). Printing is a part of publishing. It is an industrial process for the production of text and images with ink on paper using press. 1. An author writes his/her manuscripts using a word processor. 2. A graphic artist creates illustrations using a graphics program. 3. An editor checks for mistakes and makes changes using word processor. 4. A typesetter arranges the text and graphics using a desktop publisher. 5. If it is a full-colour publication, the desktop publication, the desktop publisher separated the images into 4 colours. 4 sets of black-and-white films, each corresponding to a colour, are produced, 6. Each film is placed onto a zinc plate. Ultraviolet light is shone onto the film and plate, producing a positive image on the plate. 4 sets of printing plates are formed. 7. The plates are arranged carefully in a printing machines that is controlled by a computer. The final printed product is a combination of the coloured images from all 4 plates.
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