Data capture methods Flashcards
How is data collected by companies?
Paper/online forms
Which type of form is more convenient for companies in modern times and why? (paper or online forms?)
Online forms as paper forms can be damaged easily
Why is double entry useful?
Its a form of verification and validation
Why are online forms useful?
They use drop down menus to minimise errors
How do control system sensors work?
sensors that automatically read info and then produces a result according to the inputted info
What are advantages of control system sensors?
- accurate recording
- can capture physical quantities
What are disadvantages of control system sensors?
- requires specialist software
- expensive
What are applications for control system sensors?
- monitors greenhouse temperature
- collecting weather data
- traffic control
How barcode readers work?
devices that read barcodes (lasers) attached to products
What are barcodes?
A series of lines that contain info about a product
What are advantages of barcode readers?
Fast method of input
What is a disadvantage of barcode readers?
Barcodes are easily damaged
