KEY WORDS

• DATA: Is a group of values of qualitative or quantitative variables, belonging to a set of items.
• CONTEXT: The virtual environment required to suspend a running software program.
• INFORMATION: Is the data which is process by a computer.
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QUICK TEST

1. What is data? 

Data is a group of values of qualitative or quantitative variables, belonging to a set of items.

 

2. What makes data into information? 

Data becomes information when it has context. for example, computers are good at handing data (because of them, all data is a stream of bits).

3. Which is likely to be more up-to-date - a newspaper article or an Internet news page?

An Internet news page.

4. How does a computer input data about a product in a supermarket?

Because a computer input data can read the product bar-code.