Image Reflections

Image Reflections

1. Data capture methods

   • Data capture just means to get data from someone and store it electronically. There are lots of ways to do this, both manually and automatically using technology.

2. Automated methods

   • Method How it works Where it could be used AND what for RFID Radio Frequency Identification NFC Near Field Communication RFID uses a small chip which placed underneath packaging or inside clothes. It contains information such as item name, price, expiry, where bought from etc. When an RFID reader passes near it, the chip is powered and the information is read from it. A small chip located in electronic devices and also in readers. When the two come into near contact (close proximity), the information is read. In supermarkets to stock take all items on shelves or to check which items are going out of date. Delivery companies to track a parcel being delivered. Barcode A unique number based system on products. When scanned, the number is checked in a database somewhere to find out details of the product. Trains to pay for tickets. Shops to pay for shopping via your mobile – just touch and go. To impulse buy. Imagine you saw a poster of a con

3. Data Validation

   • Data Validation Validation aims to make sure that data is sensible, reasonable and allowable. It does NOT check data is correct.

4. Verifaction checks

   •  Entering the data twice.  Checking the data on the screen against the original paper document  Printing out a copy of the data and comparing the printout to the original paper document.
   • Verifaction online
     • This is used to ensure data is as accurate as possible. Remember, it is not possible to check data is 100% correct. Verification means to check the data that you have entered against the original source data. You may also be aware of CATCHPA checks which ask you to type in a word, phrase or collection of letters/numbers. This is to ensure you are a real person and not a scammer of automated computer trying to hack. How is this done?  Entering the data twice (e.g. PASSWORDS).- Double Keying  Double Checking (Proof reading)  Verifying you are a human to prevent BOTS or AUTOMATED SIGN UPS by using CAPTCHA.