Pagini

Section 1
 
  1. Which of the following are examples of data vs. information.


A. Student age vs. average age of all students in class

B. Bank deposit amount vs. total account balance

C. Winning time for a race vs. length of race

D. Price of computer vs. total sales of all computers for a company

E. Both A and B


  2. What are the results of having all your data in one central location? (Choose two)


(Choose all correct answers)

Improved performance

Easier access to data

Updates are harder to execute

Decreased performance


  3. How do you turn "data" into "information"?


By testing it

By querying it or accessing it

By storing it on a server

By storing it in a database


  4. Consider an example where an Oracle database works "behind the scenes" for common internet activity. Which of the following best describes a database transaction?


A person searching an airline website to find all available fares for a flight.

A business identifies what processes it uses for purchasing inventory.

A student places a link to their homepage from the school's website.

A person looking in the newspaper for good internet sites.