Answer:
A) True
Explanation:
Java provides collections architecture or framework used to store and manipulate a group of objects or collections.
The collection framework has interfaces which include; Set, Queue, Deque, List, as well as classes which include; Hashset, ArrayList, LinkedList, LinkedHashset, PriorityQueue, Vector and TreeSet.
There are also many methods declared in the collection interface which include; add(), addAll(), remove(), removeAll(),retainAll(), clear(), size(), iterator(), toArray() etc
Answer:
•Make sure doorway openings are at least 32 inches wide and doorway thresholds are no higher than 1/2 inch.
•Keep aisles wide and clear for wheelchair users.
•Make sure all levels of the lab are connected by a wheelchair-accessible route of travel.
For students with mobility impairments, make sure there are procedures in place for retrieving materials that may be inaccessible.
Make sure ramps and/or elevators are provided as an alternative to stairs. Elevators should have both auditory and visual signals for floors. Elevator buttons should be marked in large print and Braille or raised notation and easily reachable for wheelchair users.
Locate the lab near wheelchair-accessible restrooms with well-marked signs.
Service desks need to be wheelchair-accessible.
Provide ample, high-contrast, large-print directional signs throughout the lab. Mark equipment in the same fashion.
Provide study carrels, hearing protectors, or private study rooms for users who are easily distracted by noise and movement around them.
Provide at least one adjustable-height table with easily reachable controls for each type of computer.
Have wrist rests available to those who require extra wrist support while typing.
Keep document holders available to help users position documents for easy reading.
The first phone was made in 1854 by <span>Antonio Meucci.
Other inventors like </span>Johann Philipp Reis, <span>Alexander Graham Bell, Elisha Gray, and Thomas Edison reinvented the telephone or enhanced it.</span>
Answer:
b. will be lower if consumers perceive mobile phones to be a necessity.
Explanation:
The price elasticity of demand is described as the percentage variation in the demanded quantity of service or goods divided by the change in the percentage of the price. And henceforth it describes the responsiveness of the demanded quantity to a price change. And now if the mobile phones are thought of as being the necessity then the price will increase as demand will increase, and hence the price elasticity of demand will be lower. And if there is an improvement in the production technology then the price will be lowered, and hence price elasticity of demand will be less as the change in the percentage of the price will be negative. And the exact definition of it as we have described above. Hence, b is correct options.
