Type modifiers in C - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a variable that can hold a large integer value.

C

unsigned [1] bigNumber = 4294967295;

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

Aint

Blong

Cchar

Dfloat

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'char' which is too small for large numbers.

Using 'float' which is for decimal numbers, not integers.

The unsigned long type modifier allows storing large positive integer values.

2fill in blank

medium

Complete the code to declare a signed short integer variable.

C

[1] short temperature = -20;

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

Aunsigned

Bfloat

Csigned

Dlong

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'unsigned' which cannot hold negative values.

Using 'float' which is for decimal numbers.

The signed modifier allows the variable to hold negative values.

3fill in blank

hard

Fix the error in the code to declare a constant unsigned integer.

C

const [1] int maxScore = 100;

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

Asigned

Blong

Cfloat

Dunsigned

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'signed' which allows negative numbers.

Using 'float' which is for decimal numbers.

The unsigned modifier is needed to declare an unsigned integer.

4fill in blank

hard

Fill both blanks to declare a long signed integer variable.

C

[1] [2] int distance = -1000;

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

Along

Bunsigned

Csigned

Dfloat

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'unsigned' which cannot hold negative values.

Using 'float' which is for decimal numbers.

long signed int declares a variable that can hold large negative or positive integers.

5fill in blank

hard

Fill all three blanks to declare a constant unsigned long integer variable.

C

const [1] [2] [3] number = 50000;

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

Aunsigned

Blong

Cint

Dsigned

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'signed' which allows negative values.

Omitting 'const' which allows value changes.

The declaration const unsigned long int creates a constant variable for large positive integers.