Quiz on Logical Reasoning and Inequalities

Laura will go to her friend's house if she has less than two hours of homework or if it is the weekend. Otherwise, she will stay home and study. In which of the following cases will Laura stay home to study?

• Laura has 1.5 hours of homework on Tuesday

• Laura has 4 hours of homework on Saturday

• Laura has 2.5 hours of homework on Thursday

• Laura has 1 hour of homework on Saturday

If x represents the area of the number line colored yellow, which inequality accurately reflects the value of x?

• x < 5

• x > 5

• x ≥ 5

• x ≤ 5

Karel the Dog is instructed to move forward two spaces. Then, if Karel is standing on a ball, Karel will turn right and move forward two spaces. Otherwise, Karel will turn around and move forward two spaces. Given the starting point below, where will Karel end up?

• Karel ends up facing right on an empty space.

• Karel ends up facing left on an empty space.

• Karel ends up facing up on a ball.

• Karel ends up facing down on an empty space.

Which of the following statements are true about the Internet? I - The Internet connects devices and networks all over the world II - There are no negative consequences of the Internet, it is purely positive III - The Internet helps people communicate IV - The Internet helps people collaborate to solve problems

• A. I only

• B. I and II only

• C. I, III, and IV

• D. I, II, III, and IV

Which decimal value is equal to the binary number 101₂?

• A. 10₁₀

• B. 2₁₀

• C. 20₂₀

• D. 5₁₀

Consider the following program code: var i = 1; var sum = 0; while(i < 5) { sum += i; i++; } println(sum); What is the result of running this program code?

• A. 0 is printed

• B. 15 is printed

• C. 10 is printed

• D. The program results in an infinite loop

Which of the following successfully switches the values of the variables x and y? temp may be used as a temporary variable if necessary.

• A. x = y; y = x;

• B. x = x - y; y = x; temp = x;

• C. temp = x; x = y; y = temp;

• D. temp = x; y = x; temp = y;

Which of the following is an example of metadata about a webpage?

• The title of the webpage

• An

  tag on the webpage

• The body of the webpage

• All of the above

What will the following code print to the screen? println(8 + 12);

• 8 + 12

• 20

• 812

• Nothing

What will be the value of total after this code runs? var START = 1; var END = 4; function start(){ var total = 0; for(var i = START; i <= END; i++){ total += i; } }

• 4

• 1

• 10

• 40