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Name:
Class:
Date:
Chapter 4
Copyright Cengage Learning. Powered by Cognero.
Page 1
1. A control structure alters the normal sequential flow of execution in a program.
a.
True
b.
False
ANSWER:
True
POINTS:
1
REFERENCES:
188
QUESTION TYPE:
True / False
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
2. The result of a logical expression cannot be assigned to an int variable, but it can be assigned to a bool variable.
a.
True
b.
False
ANSWER:
False
POINTS:
1
REFERENCES:
199
QUESTION TYPE:
True / False
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
3. In C++, both ! and != are relational operators.
a.
True
b.
False
ANSWER:
False
POINTS:
1
REFERENCES:
189
QUESTION TYPE:
True / False
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
4. The operators !, &&, and || are called relational operators.
a.
True
b.
False
ANSWER:
False
POINTS:
1
REFERENCES:
199
QUESTION TYPE:
True / False
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/16/2016 9:21 AM
Name:
Class:
Date:
Copyright Cengage Learning. Powered by Cognero.
Page 2
5. The expression (x >= 0 && x <= 100) evaluates to false if either x < 0 or x >= 100.
a.
True
b.
False
ANSWER:
False
POINTS:
1
REFERENCES:
200-201
QUESTION TYPE:
True / False
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
6. Suppose P and Q are logical expressions. The logical expression P && Q is true if both P and Q are true.
a.
True
b.
False
ANSWER:
True
POINTS:
1
REFERENCES:
200
QUESTION TYPE:
True / False
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
7. In C++, && has a higher precedence than ||.
a.
True
b.
False
ANSWER:
True
POINTS:
1
REFERENCES:
202
QUESTION TYPE:
True / False
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
8. In C++, the operators != and == have the same order of precedence.
a.
True
b.
False
ANSWER:
True
POINTS:
1
REFERENCES:
202
QUESTION TYPE:
True / False
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
Name:
Class:
Date:
Name:
Class:
Date:
Name:
Class:
Date:
Name:
Class:
Date:
Chapter 4
Name:
Class:
Date:
Chapter 4
Copyright Cengage Learning. Powered by Cognero.
Page 7
ANSWER:
b
POINTS:
1
REFERENCES:
222
QUESTION TYPE:
Multiple Choice
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
24. Assume you have three int variables: x = 2, y = 6, and z. Choose the value of z in the following
expression: z = (y / x > 0) ? x : y;.
a.
2
b.
3
c.
4
d.
6
ANSWER:
a
POINTS:
1
REFERENCES:
223
QUESTION TYPE:
Multiple Choice
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
25. What is the value of x after the following statements execute?
int x;
x = (5 <= 3 && 'A' < 'F') ? 3 : 4
a.
2
b.
3
c.
4
d.
5
ANSWER:
c
POINTS:
1
REFERENCES:
223
QUESTION TYPE:
Multiple Choice
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
26. What is the output of the following code?
char lastInitial = 'S';
switch (lastInitial)
{
case 'A':
cout << "section 1" <<endl;
break;
case 'B':
cout << "section 2" <<endl;
break;
Name:
Class:
Date:
Chapter 4
Copyright Cengage Learning. Powered by Cognero.
Page 8
case 'C':
cout << "section 3" <<endl;
break;
case 'D':
cout << "section 4" <<endl;
break;
default:
cout << "section 5" <<endl;
}
a.
section 2
b.
section 3
c.
section 4
d.
section 5
ANSWER:
d
POINTS:
1
REFERENCES:
227-229
QUESTION TYPE:
Multiple Choice
HAS VARIABLES:
False
DATE CREATED:
10/5/2016 1:38 PM
DATE MODIFIED:
10/5/2016 1:38 PM
27. What is the output of the following C++ code?
int x = 55;
int y = 5;
switch (x % 7)
{
case 0:
case 1:
y++;
case 2:
case 3:
y = y + 2;
case 4:
break;
case 5:
case 6:
y = y – 3;
}
cout << y << endl;
a.
2
b.
5
c.
8
d.
10
ANSWER:
a
POINTS:
1
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