What type of operator determines whether a specific relationship exists between two values?

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What type of operator determines whether a specific relationship exists between two values?

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Introduction to Programming 04

QuestionAnswer
Which structure is a logical design that controls the order in which a set of statements executes? Control
Consider the following statement: A store is giving a discount of 30% for all purchases of over $100. Which of the following is not an appropriate structure to use to program the statement? Sequence
The _______ symbol indicates that some condition must be tested in a flowchart. Diamond
What type of operator can be used to determine whether a specific relationship exists between two values? Relational
Which operator is used to determine that the operands are not exactly of the same value? !=
Typically, in conditions that require checking if something is equivalent, the ______ operator is used instead of the assignment operator _____. ==, =
Which operator would make the following expression true? ____ false NOT
Which operator would make the following expression false? True _____ False AND
Which operator would make the following expression true? True _____ False OR
Which operator would make the following expression true? "Jane" _____ "Jeff" (>, <, ==, !=) <

Can someone help with these questions?

2 This type of operator determines whether a specific relationship exists between two values:

a.

Logical

b.

Mathematical

c.

Unary

d.

Relational

      3.   Which of the following expressions will determine whether x is less than or equal to y?

a.

x > y

b.

x =< y

c.

x <= y

d.

x >= y

      4.   Which one of the following is the not equal operator?

a.

<>

b.

NOT

c.

*&

d.

!=

      5.   What will be the value of x after the following code is executed?

int x = 75;

int y = 60;

if (x > y)

  x = x - y;

a.

75

b.

15

c.

60

d.

135

      6.   What will be the value of ans after the following code has been executed?

int ans = 10;

int x = 65;

int y = 55;

if (x >= y)

  ans = x + y;

a.

10

b.

120

c.

100

d.

No value, there is a syntax error

      7.   What will be the value of ans after the following code has been executed?

int x = 90, y = 55, ans = 10;

if ( x == y)

  ans *= 2;

a.

10

b.

145

c.

20

d.

No value, there is a syntax error

      8.   A block of code is enclosed in a set of

a.

braces { }

b.

parentheses ( )

c.

double quotes " "

d.

brackets [ ]

      9.   If chr is a character variable, which of the following if statements is written correctly?

a.

if (chr = "a")

b.

if (chr == "a")

c.

if (chr = 'a')

d.

if (chr == 'a')

   10.   What would be the value of bonus after the following statements are executed?

int bonus, sales = 1250;

if (sales > 1000)

  bonus = 100;

if (sales > 750)

  bonus = 50;

if (sales > 500)

  bonus = 25;

else

  bonus = 0;

a.

100

b.

500

c.

25

d.

0

   11.   ____________ works like this: If the expression on the left side of the && operator is false, the expression the right side will not be checked.

a.

Short-circuit evaluation

b.

Reverse logic

c.

Boolean logic

d.

Relational evaluation

   12.   What is the value of x after the following code has been executed?        

int x = 75;

int y = 90;

if ( x != y)

  x += y;

a.

75

b.

90

c.

15

d.

165

   13.   What is the value of ans after the following code has been executed?

int x = 40;

int y = 40;

int ans = 0;

if (x = y)

  ans = x + 10;

a.

50

b.

80

c.

30

d.

No value, this is a syntax error.

   14.   What is the value of ans after the following code has been executed?

int x = 35;

int y = 20, ans = 80;

if (x < y)

  ans += y;

a.

80

b.

100

c.

35

d.

55

    15   Which of the following correctly tests the char variable chr to determine whether it is not equal to the character B?

a.

if (chr > 'B')

b.

if (chr < 'B')

c.

if (chr != 'B')

d.

if (chr != "B")

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What operators determine whether a specific relationship exists between two values?

Relational operators are important for making decisions. They allow us compare numeric and char (chars are treated like numbers in C++) values to determine if one is greater than, less than, equal to, or not equal to another. Relational operators are binary meaning they require two operands.

When determining whether a numeric value is within or outside a specific range of values it is best to use the?

When determining whether a number is outside a range, it's best to use this logical operator. In code you should test this property of a radio button or a check box to determine whether it is selected. This method attempts to convert a value to an integer. strName is a string variable.

Which operator is used to determine that the operands are not exactly of the same value?

Inequality operator != returns true if its operands are not equal, false otherwise. For the operands of the built-in types, the expression x !=

What type of operators are the following ==?

Relational Operators == (Equal to)– This operator is used to check if both operands are equal.