Which type of class acts as a coordinator when implementing classes?
A) entity
B) interface
C) abstract
D) control
D) control
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For one bridge there should not be more than 4 participants in one team.
Material: ? 2-4 large buckets of Lego building bricks (2 for each team) ? Two tables that can be placed in a way that there is up to 150 cm distance between them (the width of the river) Schedule: ? 30 minutes for planning and prototyping (prototyping) ? 5 minutes for the final build from scratch (construction) ? 20 minutes for summary and discussion
Infrared, a wireless connection used in the past prior to Bluetooth, was limited because it ________
A) required a direct line of sight between devices B) was not able to connect devices to the Internet C) was not managed correctly by its developer and therefore never became commercially successful D) only enabled two devices to connect
Which best describes a BSS?
A. a group of wireless devices that is served by a single access point B. a unique identifier C. a geographical area where wireless devices reside D. one or more APs serving a single group of wireless devices
If pt is declared as a pointer to a structure of type Employee, ____ refers to the variable whose address is in the pt.idNum variable.
A. (*pt).idNum B. *pt.idNum C. pt->idNum D. (*pt.)idNum