If Statements review
Authored by Lioubov Rogalskaia
Other
12th Grade
Used 3+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Of the following if statements, which one correctly executes three instructions if the
condition is true?
if (x < 0)
a = b * 2;
y = x;
z = a – y;
{
if (x < 0)
a = b * 2;
y = x;
z = a – y;
}
if { (x < 0)
a = b * 2;
y = x;
z = a – y ;
}
if (x < 0)
{
a = b * 2;
y = x;
z = a – y;
}
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the sets of statements below will add 1 to x if x is positive and subtract 1 from x if x is negative but leave x alone if x is 0?
if (x > 0) x++;
else x--;
if (x > 0) x++;
else if (x < 0) x--;
if (x > 0) x++;
if (x < 0) x--;
else x = 0;
if (x == 0) x = 0;
else x++;
x--;
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If x is currently 0, a = 5
and b = 5, what will x become after the statement is executed?
if (a > 0)
if (b < 0)
x = x + 5;
else
if (a > 5)
x = x + 4;
else
x = x + 3;
else
x = x + 2;
0
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If x is currently 0, a = 0
and b = - 5, what will x become after the statement is executed?
if (a > 0)
if (b < 0)
x = x + 5;
else
if (a > 5)
x = x + 4;
else
x = x + 3;
else
x = x + 2;
0
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If x is currently 0, a = 1
and b = -1, what will x become after the statement is executed?
if (a > 0)
if (b < 0)
x = x + 5;
else
if (a > 5)
x = x + 4;
else
x = x + 3;
else
x = x + 2;
0
2
3
4
5
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