Data and Information (Unit two)

Question 1

What does the term data mean?

Answer 1

Data is recorded facts usually a series of values produced as a result of an event or transaction.

Question 2

What are some examples of data?

Answer 2

• Loyalty card number
• Bar-code
• Postcodes

Question 3

How can data be inputted onto a computer?

Answer 3

• Keyboard
• Speech recognition, using a mic
• Webcam
• Touch screen
• Mouse
• Sensors
• Bar-code reader

Question 4

What is direct data capture?

Answer 4

Direct data capture is the collection of data for a particular purpose. E.g. Reading a bar-code to identify a product.

Question 5

What is indirect data capture?

Answer 5

Indirect data capture is the collection of data as a by product from another purpose. E.g. using a bar-code to check stock levels.

Question 6

What is encoding data?

Answer 6

Encoding data is putting data into an appropriate binary code.

Question 7

What is binary code?

Answer 7

Binary code is a system used to represent different types of data. It is represented by either 0 or 1