2.5 use of ict in publishing


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  • It is called offset lithography because the ‘offset’ means that the plates don’t actually touch the paper being printed on.
  • 2.5 use of ict in publishing

    1. 1. 2.5 Use of ICT in Publishing Momina
    2. 2. Production of a NewspaperCorrespondents Received at the send in their editorial staff- the The process is then collect and send the Page layout of the completed when thestories from the stories to the newspaper is document has been location of the newspaper created edited to removestory – done by journalists as the any mistakes. email main office. Back to Advertising
    3. 3. 1. Typesetting– Layout of the typed page: needs to be easy to read. How can this be done:  Correct font  Correct size  Kerning-space between individual letters in a word  Leading (pronounced “Ledding”)-space between the lines on the page.  Length of each line  Size of the body text font.– Difficult job– Off for plate making Back to Advertising
    4. 4. 2. Transmitting Complete Pages• The accepted layout of the page has been received and is approved; this is then send to the printing plant. Two ways of doing this: Way One Way two Back to Advertising
    5. 5. 3a) The First Way of Printing1. Page is printed2. Image is burned onto a light-sensitive film3. Page placed in large fax machine4. The image is transferred to the print plant Back to Advertising
    6. 6. 3b) The Second Way of Printing1. The news paper is completed in digital form2. This is then sent to the satellites3. It is then transmitted by the satellite to various printing plants (Owned by the company) Back to Advertising
    7. 7. 4. Computerised Plate Making1. Images from negatives are transferred to printing plates2. Ultraviolet light passes through the film negatives; exposing the printing plate3. A chemical reaction occurs4. This causes the light-sensitive coating on the aluminium to develop an image. Back to Advertising
    8. 8. 5. Printing-Offset Lithography1. Aluminium plate is fixed into printing press.2. This press consists of 3 rollers: a. Plate cylinder b. Blanket cylinder c. Impression cylinder3. Aluminium plates are flexible  bend around the plate cylinder Back to Advertising
    9. 9. Printing – Offset Lithography4. Roller with plate attached  has ink directed onto it5. This then rotates against the blanket cylinder (this is rubberised -> roller forms and image on the plate roller)6. Blanket roller presses against the paper  the image is printed Back to Advertising
    10. 10. Printing – Offset Lithography6. The third roller  presses paper against the blanket cylinder7. Large sheets printed (copies of the news paper)  cut into separate versions of the news paper. Back to Advertising