Mobile operating systems (iOS, Android) in Intro to Computing - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print the name of a popular mobile operating system.

Intro to Computing

print("The most popular mobile OS is [1].")

Drag options to blanks, or click blank then click option'

ALinux

BWindows

CAndroid

DmacOS

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing desktop operating systems instead of mobile ones.

Android is one of the most popular mobile operating systems worldwide.

2fill in blank

medium

Complete the sentence to name the mobile OS exclusive to Apple devices.

Intro to Computing

The mobile operating system exclusive to iPhones is called [1].

Drag options to blanks, or click blank then click option'

AAndroid

BiOS

CWindows Phone

DBlackBerry OS

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing Android with iOS.

iOS is the operating system used only on Apple iPhones and iPads.

3fill in blank

hard

Fix the error in the code that checks if a device runs Android.

Intro to Computing

device_os = "iOS"
if device_os == [1]:
    print("This device runs Android.")

Drag options to blanks, or click blank then click option'

A"Android"

Bdevice_os

C"iOS"

DAndroid

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting quotes around string literals.

Comparing to the wrong OS name.

The code should compare the variable to the string "Android" to check if the device runs Android.

4fill in blank

hard

Fill both blanks to create a list of mobile OS names and print the first one.

Intro to Computing

mobile_os = [[1], [2]]
print(mobile_os[0])

Drag options to blanks, or click blank then click option'

A"Android"

B"Windows"

C"iOS"

D"Linux"

Attempts:

3 left

💡 Hint

Common Mistakes

Not using quotes for strings.

Using desktop OS names instead.

The list contains "Android" and "iOS" as popular mobile operating systems. Printing index 0 shows "Android".

5fill in blank

hard

Fill all three blanks to create a dictionary mapping OS names to their developers and print the developer of iOS.

Intro to Computing

os_developers = {
    [1]: [2],
    [3]: "Google"
}
print(os_developers["iOS"])

Drag options to blanks, or click blank then click option'

A"iOS"

B"Apple"

C"Android"

D"Microsoft"

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up keys and values.

Forgetting quotes around strings.

The dictionary maps "iOS" to "Apple" and "Android" to "Google". Printing os_developers["iOS"] outputs "Apple".