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katrin2010 [14]
2 years ago
13

Which structural semantic will this HTML code snippet form?

Computers and Technology
1 answer:
Yakvenalex [24]2 years ago
3 0

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.

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A jackhammer uses pressurized gas to transmit force to the hammer bit. What type of mechanical system is it?
Nadya [2.5K]
This is a pneumatic system
7 0
3 years ago
Help with some questions. Thank you!
Oksana_A [137]

Answer:

1. E: II and III only

2. A: (int)(Math.random() * (upper − lower) ) + lower

3. A: The value of answer is N

4. E: while( !(userGuess == secretNumber) && numGuesses <= 15 )

5. C: 21

Explanation:

1. Which of the following is equivalent to while(userGuess != secretNumber)?

I. while( userGuess < secretNumber && userGuess > secretNumber)  

NO - This will test until the userGuess is smaller AND greater than the secretNumber, at the same time... so that condition will never be true.

II. while( userGuess < secretNumber || userGuess > secretNumber)

YES - This will test the value of userGuess and see if it's smaller OR greater than secetNumber.  So, it will loop until the user guesses right.

III. while( !(userGuess == secretNumber) )

YES, this will negate the match with the secretNumber.  In order words, if it's not a match, it will return true... so the loop will run until it finds a false condition (a match).

As you can see, only II and III are valid.

2.  If the lower limit were inclusive and the upper limit exclusive, which expression would properly generate values for the secret number?

A: (int)(Math.random() * (upper − lower) ) + lower

Since the lower limit is INCLUSIVE, we mustn't add one to the lower limit.  Also, the Math.random() function returns a value that matches our needs; it returns a value between [0,1[ (meaning the 0 is included, but not the 1).

Assuming the (int) caster does return only the integer portion doing a round down of the result, we'll be perfect.

3. What conclusion can be made about the state of the program when the while loop terminates?

while(!answer.equals( "N"))

{.....

A: The value of answer is N

The condition in the loops reads as "While the negation of the answer being 'N', loop".  If the answer equals 'N' then the method should return true... which will be negated by the '!' operator, causing the condition to be false. Thus we know that if the loop ends, the value of answer contains 'N', any other value will keep the loop going.

4. Assuming numGuesses is initialized to 1, how would the while statement be modified to include an extra criterion limiting the number of guesses to 15?

E: while( !(userGuess == secretNumber) && numGuesses <= 15 )

This modified condition will first test to see if the user has guessed the secretNumber (if he has, the first sub-parenthesis will be true... so the left side of the && operator will be false due to the negation operator.  The right side of the && operator will check to see how many tries have been attempted. Since the counter starts at 1, it needs to go up to 15 inclusively... so the <= is the right comparison operator.

5. After execution of the following code segment, what will be displayed?

int x = 1;

while(x < 18)

{

x += 5;

}

System.out.println(x);

C: 21

The x variable is initialized with 1... then enters the loop, in which it is incremented by 5 at each passage.

So after first passage, x = 6

After second passage, x = 11

After third passage, x = 16

After fourth passage, x = 21

Cannot enter the loop again because 21 > 18.

So, it will print out the value of 21.

3 0
3 years ago
Complete the following sentence. <br> _______ is often used to solve riddles and puzzles.
Step2247 [10]

Answer:

An answer-key?

Explanation:

I'm sorry but this needs more context, hope this helps a little.

8 0
3 years ago
Read 2 more answers
Two parter:
sashaice [31]

Answer:

This is an infinite loop.

Explanation:

The while loop while never end since the last statement inside the while loop will continue to decrement the value of num by 1 and the condition num < 9 will always be true.

So either change the condition of the while loop like: num > -9

or start incrementing the variable num in the last statement of the while loop like:

num = num + 1

Note: Don't make both changes at the same time.

Visit: gotit-pro.com for fastest, top-notch and impeccable homework and exams help in a range of subjects and ace your academics.

Thanks and Best Regards: Your Friendly Study Co-Pilot

6 0
3 years ago
Help me asap ill give brainliest
kobusy [5.1K]

Answer:

Give me brainliest thanks

6 0
3 years ago
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