Week 6 #1 CS172 - Conditionals Related Questions

What is the purpose of a conditional statement?

• To specify whether another statement or block of statements should be executed

• To assign a value to a variable

• To declare a variable

• To perform arithmetic operations

Which operator is used for comparison in conditional statements?

• =

• ==

• <>

• !>

What is the syntax for an if statement?

• if (condition) { statements }

• if { condition } then { statements }

• if [condition] then { statements }

• if (condition) then { statements }

What is the purpose of alternative execution in conditional statements?

• To execute multiple sets of statements based on different conditions

• To execute a single set of statements based on a condition

• To execute a set of statements only if a condition is false

• To execute a set of statements only if a condition is true

What is the purpose of chained conditionals?

• To check for a number of related conditions and choose one of several actions

• To execute a set of statements only if a condition is true

• To execute a set of statements only if a condition is false

• To execute multiple sets of statements based on different conditions

What is the purpose of nested conditionals?

• To nest one conditional within another

• To execute a set of statements only if a condition is true

• To execute a set of statements only if a condition is false

• To check for a number of related conditions and choose one of several actions

What is the syntax for a switch statement?

• switch(expression) { case constant-expression: statements; break; default: statements; }

• switch(expression) { case constant-expression: statements; break; case constant-expression: statements; break; default: statements; }

• switch(expression) { case constant-expression: statements; case constant-expression: statements; default: statements; }

• switch(expression) { case constant-expression: statements; case constant-expression: statements; }

What happens if a case in a switch statement does not have a break statement?

• The program continues execution until it reaches a break statement or the end of the switch block

• The program executes the code in the next case

• The program executes the code in the default case

• The program throws an error

What is the purpose of a switch statement?

• To simplify the job of using multiple if statements

• To execute a set of statements only if a condition is true

• To execute a set of statements only if a condition is false

• To check for a number of related conditions and choose one of several actions

What is the purpose of the default case in a switch statement?

• To execute a set of statements if none of the cases match the expression

• To execute a set of statements only if a condition is true

• To execute a set of statements only if a condition is false

• To check for a number of related conditions and choose one of several actions