Chapter 1 Data Processing and Information

Front

What is data?

Back

Data includes raw numbers, letters, symbols, sounds, or images with no meaning.

Front

What is information?

Back

Information is when data items get context and meaning.

Front

Give an example of data.

Back

28345.77

Front

Give an example of information.

Back

28345.77 is the price of a car in dollars.

Front

What is a direct data source?

Back

Data collected from the primary source and used for its intended purpose.

Front

What is an indirect data source?

Back

Data collected from a secondary source and used for a different purpose.

Front

What are the advantages of direct data?

Back

Only needed data is collected, making it relevant. The data can be trusted because the original source is known. The data is up to date.

Front

What are the disadvantages of direct data?

Back

The collection of original data can take longer. A large sample of data can be difficult to collect.

Front

What are the advantages of indirect data?

Back

Large samples are easy to acquire. Data is immediately available.

Front

What are the disadvantages of indirect data?

Back

Additional sorting of irrelevant data is required. The source is not reliable as the original source is unknown. The data may be out of date.