Computer Science, Looping Quiz Question 1 (1 point) int x = 0; while (x < 10) {
ID: 3558920 • Letter: C
Question
Computer Science, Looping
Quiz
Question 1 (1 point)
int x = 0;
while (x < 10) {
++x;
cout << x;
}
What is the last thing printed by the above code?
Question 1 options:
8
9
10
11
Nothing is printed
The code never ends
Save
Question 2 (1 point)
int x;
for (x = 0;x > 10;x++) {
}
cout << x;
What is the last thing printed by the above code?
Question 2 options:
0
1
2
8
9
10
11
Nothing is printed
The code never ends
Save
Question 3 (1 point)
int x;
for (x = 0; x < 10; x+=2) {
cout << x;
}
What is the output of the above code?
Question 3 options:
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10
0 2 4 6 8
0 2 4 6 8 10
0 2 4 6 8 10 12
2 4 6 8
2 4 6 8 10
2 4 6 8 10 12
1 3 5 7 9
1 3 5 7 9 11
Nothing is printed
The code never ends
Save
Question 4 (1 point)
The break statement causes all loops to exit.
Question 4 options:
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Question 5 (1 point)
int x;
for (x = 0; x < 10; ++x) {
++x;
cout << x;
}
What is the first thing printed by the above code?
Question 5 options:
-1
0
1
2
Nothing is printed
Save
Question 6 (1 point)
How many times is "Hi" printed to the screen
for(int i=0; i<14; i++);
cout << "Hi";
Question 6 options:
14
13
15
1
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Question 7 (1 point)
int x;
for (int x = 0; x < 10; ++x) {
cout << x;
}
What is the last thing printed by the above code?
Question 7 options:
8
9
10
11
Nothing is printed
The code never ends
Save
Question 8 (1 point)
A compound statement that contains variable declarations is called a __________.
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Question 9 (1 point)
int x;
for(x = 0;x > 10;x++) {
x++;
cout << x;
}
What is the last thing printed by the above code?
Question 9 options:
8
9
10
11
Nothing is printed
The code never ends
Save
Question 10 (1 point)
int x = 0;while (x >= 0) { cout << x; x++;} What is the last thing printed by the above code?
Question 10 options:
8
9
10
11
The code does not compile.
The loop is an 'infinite loop'.
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Question 11 (1 point)
Each repetition of a loop body is called a(n) ____________.
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Question 12 (1 point)
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Question 13 (1 point)
What is the value of x after the following code executes?
int x=10;
if( x++ > 10 ) {
x = 13;
}
Question 13 options:
10
9
13
11
Save
Question 14 (1 point)
Complete the following code segment
// count from 1 to 100
// 1 is the first number printed
// 100 is the last number printed
int i=0;
while (i<100) {
cout << ____;
}
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Question 15 (1 point)
Given the following code, what is the final value of i?
int i;
for(i=0; i<=4;i++) {
cout << i << endl;
}
Question 15 options:
3
4
5
0
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Question 16 (1 point)
int x = 0;
while (x > 10) {
cout << x;
x++;
}
What is the last thing printed by the above code?
Question 16 options:
8
9
10
11
Nothing is printed
The code never ends
Save
Question 17 (1 point)
int x;
for (x = 0; x < 10; ++x) {
}
cout << x;
What is the last thing printed by the above code?
Question 17 options:
0
1
2
8
9
10
11
Nothing is printed
The code never ends
Save
Question 18 (1 point)
When testing a program with a loop, which of the following tests should be done?
Question 18 options:
no iterations of the loops
one less than the maximum number of iterations
the maximum number of iterations
one more than the maximum number of iterations
A and B
A, B and C
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Question 19 (1 point)
int x = 0;
while (x < 10) {
cout << x;
x+=2;
}
What is the output of the above code?
Question 19 options:
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10
0 2 4 6 8
0 2 4 6 8 10
0 2 4 6 8 10 12
2 4 6 8
2 4 6 8 10
2 4 6 8 10 12
1 3 5 7 9
1 3 5 7 9 11
Nothing is printed
The code never ends
Save
Question 20 (1 point)
int x = 0;
while (x > 10) {
cout << x;
x++;
}
What is the first thing printed by the above code?
Question 20 options:
-1
0
1
2
Nothing is printed
Note: It is recommended that you save your response as you complete each question.Explanation / Answer
1) 9
loop repeats from 0 to 9, for 10 times
2) 0
for loop assigns 0 to x
3) 0 2 4 6 8
4) false
exits the nearest loop but not all loops
5) 1
1 3 5 7 9 is the output
'6) 1
since there is a ';', thought the loop repeats 14 times, there is no relation between the loop and cout statement
7) 9
8) block
9)nothing is printed
10)the loop is an infinite loop
11) iteration
12) i
also incrementi: i++;
13) 11
14) i+1;
alse increment i by 1
15) 4
16) nothing is printed
17) 0
18) A, B and C
19) 0 2 4 6 8
20) nothing is printed
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