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Data Validation

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Code # Name: Muhamad Raziq Aiman bin Haji Rosman # Version: Python 3 # Date: 24 January 2018 validcharacters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ " while True : var1 = input ( "Enter your name:" ) if all (char in validcharacters for char in var1): print ( "Your name is " + var1) break print ( "That's invalid, please try again. Please enter characters A-Z and space only" ) def input_number (message): while True : try : userInput = int ( input (message)) except ValueError : print ( "Not an integer! Try again." ) continue else : return userInput break age = input_number( "How old are you?" ) print ( "You are " + str (age) + " years old" ) Output
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LO1 - Understand how organisations use business information

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1.1 Types of Information 4 types of information: - Qualitative - Description - Description about the colors, textures, smells, taste and appearances. Quantitative - Numbers - Numerical information - Length, height, weight, speed, time, cost and ages. Primary - Data that you collected yourself - Real-time data -Sure about sources of data - Costly and time-consuming process - More flexible - Direct observation - Surveys - Interviews Secondary -  Data that you collected from external resources - Past data - Not sure about sources of data - Cheap and not time-consuming - Less flexible - The Internet - Televisions - Stories told verbally 1.2 Purpose of Information Operational Support - System - Data input is done by the end user - Processed to generate information products - User - Input data - System process - Output information - Monitoring and controlling its activities - A business can make immediate use of the information - Example of op...
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