CS37 - Selection

What is the primary purpose of an IF statement in programming?

• To repeat a block of code multiple times
• To execute a block of code only if a specified condition is true
• To store multiple values in a single variable
• To declare a variable

Which of the following is the correct syntax for an IF statement in Python?

• if x > 10 then:
• if (x > 10) {
• if x > 10:
• if x > 10 end

In an IF statement, what does the condition do?

• Whether the statements inside the IF block will execute
• Whether the loop should continue
• The data type of the variable
• The number of iterations for the loop

Which of the following operators can be used in an IF statement to compare two values?

• +
• -
• ==
• **

In an IF-ELSE statement, what happens if the IF condition is false?

• The ELSE block is executed
• The IF block is executed
• The program terminates
• The program enters an infinite loop

What is a nested IF statement?

• An IF statement with multiple conditions
• An IF statement inside another IF statement
• An IF statement followed by an ELSE statement
• An IF statement that repeats itself

Why might you use nested IF statements in your code?

• To create a loop
• To check multiple conditions sequentially
• To simplify the code
• To increase the complexity of the code

What is the output of the following code? x = 5 y = 10 if x < 10: if y > 5: print("A") else: print("B") else: print("C")

• A
• B
• C
• No output

Which of the following statements about nested IF statements is true?

• The inner IF statement must be false if the outer IF statement is true
• The outer IF statement must be false if the inner IF statement is true
• The inner IF statement is evaluated only if the outer IF statement is true
• The inner IF statement can be true even if the outer IF statement is false

Selection is a programming construct.

• TRUE
• FALSE