2: Data Types

Numerical Data and Categorical Data

Numerical Data

Categorical Data

2: Data Types

Graphical, Video and Audio Data Types

Static and Dynamic Data

2: Data Types

Data Coding

Advantages of data coding

2: Data Types

Disadvantages of data coding

Barcodes

ISBN (International Standard Book Number)

2: Data Types

13-digit ISBN structure

Here is an example of an ISBN code, where each item denotes a specific piece of information about the guide book.

QR Codes

2: Data Types

Read the sentences and tick True or False: Categorical data is a data type that is quantitative.

حل Read the sentences and tick True or False: Categorical data is a data type that is quantitative.
2: Data Types

Briefly explain what Static and Dynamic data are.

حل Briefly explain what Static and Dynamic data are.

Give some examples of products that have QR codes or Barcodes οn them.

حل Give some examples of products that have QR codes or Barcodes οn them.

Briefly explain what data coding is.

حل Briefly explain what data coding is.
2: Data Types

Find a website that creates free QR codes and generate the QR codes for the home page and a specific web page of a website of your choice. Do you notice the differences in the black boxes of

حل Find a website that creates free QR codes and generate the QR codes for the home page and a specific web page of a website of your choice. Do you notice the differences in the black boxes of

Can you give examples of usage of these codes?

حل Can you give examples of usage of these codes?

Find the ISBN barcode of this book. Can you identify the country’s and the publisher’s numbers?

حل Find the ISBN barcode of this book. Can you identify the country’s and the publisher’s numbers?