Answer:
The answer to this question is given below in the explanation section.
Explanation:
WHILE loops and DO WHILE loops are called the condition controlled loops. The execution of these loops depends on a certain condition, when the condition is true, the loop body will be executed and when the condition becomes false, the loop body will not be executed. the major difference between both loops is given below.
In the WHILE loop, the condition is checked at the beginning of the loop whereas in the do-while loop condition is checked at the end of the loop and, in the do-while loop, the loop body is executed at least once.
The syntax of the while loop is given below
while (condition) {
// code block to be executed
}
The syntax of do-while loop is given below
do {
// code block to be executed
}
while (condition);
Answer:
Answer explained below
Explanation:
a. A country has a capital city.------------ aggregation(city is part of country)
b. A dining philosopher uses a fork. ----------- association(philosopher and fork are different entities)
c. A file is an ordinary file or a directory file. ------- generalization( both ordinary and directory files are having attributes of files)
d. Files contain records.--------- aggregation( records are part of File)
e. A polygon is composed of an ordered set of points. ----------- aggregation( points are parts of polygon)
f. A drawing object is text, a geometrical object, or a group. --------- generalization( text and geometrical objects are drawing object)
g. A person uses a computer language on a project. -------- aggregation( person and computer language are part of project)
h. Modems and keyboards are input/output devices. -------- aggregation( Modems and keyboards both are I/O devices)
i. Classes may have several attributes.------- aggregation( attributes are part of classes)
j. A person plays for a team in a certain year. ----------- aggregation(player is part of team)
k. A route connects two cities. --------- aggregation( route consists of two cities)
l. A student takes a course from a professor. ----------- association( student and course are separate entities)
Answer:
D. Block
Explanation:
Semantic HTML or semantic markup is HTML that introduces meaning to the web page rather than just presentation. For example, a <p> tag indicates that the enclosed text is a paragraph. This is both semantic and presentational because people know what paragraphs are, and browsers know how to display them.
