Which of these is not a guideline for display screen design?

A) Create an attractive display screen.
B) Facilitate user movement among display screens.
C) Keep the display screen simple.
D) Vary the display screen presentation.


D) Vary the display screen presentation.

Computer Science & Information Technology

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In Section 8.4.1, we used a Bridge pattern to decouple the implementation of the ARENA LeagueStore subsystem from its interface, enabling us to provide different implementations for the purpose of testing. Ideally, we would apply the Bridge pattern to each subsystem in our system design to facilitate testing. Unfortunately, this is not always possible. Give an example of a subsystem where the Bridge pattern cannot be used.

What will be an ideal response?

Computer Science & Information Technology

Which of the following statements is false?

a. The collections from the java.util.concurrent package are specifically designed and optimized for sharing collections among multiple threads. b. ConcurrentHashMap and ConcurrentLinkedQueue are by far the most frequently used concurrent collections. c. The concurrent collections have been enhanced to support lambdas. d. Rather than providing methods to support streams, the concurrent collections provide their own implementations of various stream-like operations—e.g., ConcurrentHashMap has methods forEach, reduce and search—that are designed and optimized for concurrent collections that are shared among threads.

Computer Science & Information Technology

After clicking the Totals button, the words "Sum By" appear on the Total row in all fields

Indicate whether the statement is true or false

Computer Science & Information Technology

Total slack is also called total ____.

A. slippage B. float C. benchmark D. effort

Computer Science & Information Technology