What is the difference between primary and secondary users? The text gives an example of a ticket agent being a primary user of a reservation system and the ticket buyer being the secondary user. Name four examples of systems that have primary and secondary users.

What will be an ideal response?


System Primary user Secondary user
Cash registers Clerk Shopper Library checkout Librarian Patron Directory Assistance Operator Caller Stock trading Stock broker Stock owner Hospital admission Admissions staff Patient Insurance companies Insurance agent Insured UPS delivery system UPS staff Recipients NASA Mission Control Mission control staff Astronauts Air traffic control Air traffic controllers Pilots, passengers

Computer Science & Information Technology

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Answer the following statements true (T) or false (F)

1. The value of count is 0; limit is 10. Evaluate: count == 0 && limit < 20 2. The value of count is 0; limit is 10. Evaluate: (count != 0)||(limit < 20) 3. In a while loop, the Boolean_Expression is executed before each execution of the loop body. 4. In a do-while loop, a continue statement terminates the loop. 5. A break statement is used in loops only.

Computer Science & Information Technology

The CUMIPMT can be used to help calculate interest for a federal tax return

Indicate whether the statement is true or false.

Computer Science & Information Technology

The Database Documenter tool becomes less important the larger the database becomes.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

A typical ____________________ router has somewhere around 750,000 routes in its routing table, requiring a router with massive firepower.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology