A switch statement should be used: 1. as a single-selection statement 2. as a double-selection statement 3. when a variable may assume many different values which must be tested 4. to replace all if and if..else statements
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A switch statement should be used:
1. as a single-selection statement
2. as a double-selection statement
3. when a variable may assume many different values which must be tested
4. to replace all if and if..else statements
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- A selection statement used for a single statement is the if-else statement. True False1. An if selection statement executes if and only if: A. the Boolean condition evaluates to false. B. the Boolean condition evaluates to true. C. the Boolean condition is short-circuited. D. none of the above. Answer: 2.A compound statement is enclosed between: A. [ ] B. { } C. ( ) D. < > Answer: 4. The controlling expression for a switch statement includes all of the following types except: A. char B. int C. byte D. double Answer:Multi-way selection is possible with nested if-else statements and switch statements. When is it inappropriate to use a switch statement?
- v2 Question 6 What situation calls for a switch statement? Group of answer choices Use a switch statement when the switch statement is inside the main program. Use a switch statement when a for statement can not be used. Use a switch statement when a selection is in a repitition statement. Use a switch statement when a single control value determines which of several possible actions is to be taken. Use a switch statement when a selection is outside of repitition statement.Rewrite the following switch statement using a nested if-else structure (assume that n is a previously declared int variable): switch (n) { case 1: cout << "ONE"; break; case 2: cout << "TWO"; case 3: cout << "THREE"; break; default: cout << "PASS"; }Q-Write a program using if statement instead of switch statement. x=2; switch x case 1; disp(‘One’) case 2; disp(‘Two’) case 3; disp(‘Three’) otherwise; disp(‘Unknown Number’) end
- Cases in a switch statement are evaluated sequentially (called “fall through”) unless they are terminated with break statements.The AND operator takes two Boolean expressions as operands and creates a compound Boolean expression that is true only when___. Question 11 options: O or 1 expressions are true the first expression is true the second expression is true both subexpressions are trueQ- Write a program using an if statement instead of a switch statement. x = 2; Switch x case 1; Dis ("the one") case 2 de ("two") Case 3; dis ("three") otherwise; disp("unknown number") End
- Convert each if-else statement to a single assignment statement using a conditional expression, using parentheses around the condition. Enter "Not possible" if appropriate. 1) if x < 100: y = 0 else: y = xTrue or False: A conditionally executed statement should be indented one level from the if clause.The logical operator OR (||) Condition is true if either one or both of the expressions is true True or False
