LOGO Technical English Unit 4

LOGO Click to edit Master text styles Contents Database basics 1 Data Processing 2 Date storage & backup 3 Database systems benefits 4

LOGO Click to edit Master text styles Database basics 1 What is database? a large amount of information stored in a computer system. Some kinds of database products: Professional: telephone directories, dictionaries, encyclopaedias, weather databases, earthquake monitoring, Bloomberg financial information Personal: Internet Movie Database, hotel booking websites, eBay accounts, telephone bills, family pictures

LOGO Click to edit Master text styles Language can could would Could you help me please? Please could you help me? Would you help me with this software? Please can you explain how to do it? Please would you give me your password?

LOGO Click to edit Master text styles Why do people and organizations use databases? to organise information (for example, family albums, sales invoices) to share information in the most effective way (for example, dictionaries, ticket booking, client data) to protect information (for example, authorising access, deleting unwanted data) to work with information (for example, using Photoshop to modify family photos) to use information/data for analysis (for example, for marketing plans) to use data in the future (for example, to give family photos to children, to predict the weather) to retrieve information in the future (for example, to give information about traffic fines for licence renewal or insurance) to modify data to analyse something (for example, in medical labs, for material testing)

LOGO Click to edit Master text styles Data Processing Entry Coding Sorting Collection entering data into a system double-checking and cleaning data arranging and systematising data gathering raw data to process Tabulation Validation 2 double-checking and cleaning data arranging data into table format for analysis

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