FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 4: Control Structures I Selection

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 21

Multiple Choice

Review LaterAdd Note

Review Later

Which of the following operators has the highest precedence?

A) !
B) *
C) %
D) =

Correct Answer

verified

Show Answer

Question 22

True/False

Review LaterAdd Note

Review Later

A control structure alters the normal sequential flow of execution in a program.

Correct Answer

verified

Show Answer

Question 23

Short Answer

Review LaterAdd Note

Putting a semicolon after the parentheses following the expression in an if statement (that is, before the statement) is a(n) ____________________ error.

Suppose that x is an int variable.Which of the following expressions always evaluates to true?

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;.

Suppose found = true and num = 6.The value of the expression (!found) || (num > 6) is ____________________.

Suppose x is 5 and y is 7.Choose the value of the following expression:

In C++, the operators != and == have the same order of precedence.

What is the output of the following C++ code?

Suppose P and Q are logical expressions.The logical expression P && Q is true if both P and Q are true.

What is the value of x after the following statements execute? int x; X = (5 <= 3 && 'A' < 'F') ? 3 : 4

Which of the following will cause a logical error if you are attempting to compare x to 5?

For a program to use the assert function, it must include which of the following?

Putting ____________________ in front of a logical expression reverses the value of that logical expression.

The ____________________ of relational and logical operators is said to be from left to right.

You can use either a(n) ____ or a ____ to store the value of a logical expression.

The operators !, &&, and || are called relational operators.

The value of the expression 7 + 8 <= 15 is ____________________.

Which of the following expressions correctly determines that x is greater than 10 and less than 20?

The expression (x >= 0 && x <= 100) evaluates to false if either x < 0 or x >= 100.