Understanding Selection Structures

Understanding Selection Structures

University

20 Qs

quiz-placeholder

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Understanding Selection Structures

Understanding Selection Structures

Assessment

Quiz

Information Technology (IT)

University

Practice Problem

Hard

Created by

Junel Ventura

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basic structure of an if statement?

if { condition } { // code to execute }

if condition { // code to execute }

if (condition) { // code to execute }

if (condition) // code to execute

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you write an if statement in Python?

if (condition) do_something()

if condition do_something()

if condition: do_something()

if: condition do_something()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of an else statement?

To execute code only when the if condition is true.

To define a block of code that always runs regardless of conditions.

To replace the if statement entirely.

The purpose of an else statement is to define a block of code that runs when the if condition is false.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the use of elif in Python.

'elif' is a keyword that terminates a loop in Python.

The 'elif' statement is used to define functions in Python.

The 'elif' statement is only used for error handling in Python.

The 'elif' statement in Python allows for multiple conditional checks in an if-else structure.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will the following code output: if x > 10: print('High') else: print('Low')?

Always 'Low' regardless of x's value.

'High' if x < 10, 'Low' otherwise.

Depends on the value of x; 'High' if x > 10, 'Low' otherwise.

Always 'High' regardless of x's value.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is typecasting and why is it used?

Typecasting is the conversion of a variable from one data type to another, used to ensure compatibility and prevent errors.

Typecasting is the process of changing a variable's name.

Typecasting refers to the encryption of data types.

Typecasting is used to increase the size of a variable.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you convert a string to an integer in Python?

Use int('string') to convert a string to an integer.

Use eval('string') to get an integer from a string.

Apply float('string') for conversion to integer.

Use str('string') to convert a string to an integer.

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