Register storage class - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a register variable named count.

C

register [1] count;

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

Aint

Bfloat

Cchar

Ddouble

Attempts:

3 left

💡 Hint

Common Mistakes

Using a floating-point type like float or double for a simple counter.

Forgetting to specify the data type after the register keyword.

The register keyword is used to declare a variable that should be stored in a CPU register for faster access. Here, int is the correct type for the variable count.

2fill in blank

medium

Complete the code to declare a register variable named speed of type float.

C

register [1] speed;

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

Aint

Bfloat

Cchar

Ddouble

Attempts:

3 left

💡 Hint

Common Mistakes

Using int instead of float for decimal values.

Omitting the data type after the register keyword.

The variable speed is declared as a float type with the register storage class for faster access.

3fill in blank

hard

Fix the error in the code by completing the declaration of a register variable named flag.

C

register [1] flag;

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

Achar

Bfloat

Cint

Dvoid

Attempts:

3 left

💡 Hint

Common Mistakes

Using void which is not a valid variable type.

Using float unnecessarily for a flag variable.

The variable flag is typically a character or small integer. Here, char is the correct type to use with register.

4fill in blank

hard

Fill both blanks to declare a register variable named index of type unsigned int.

C

register [1] [2] index;

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

Aunsigned

Bint

Clong

Dshort

Attempts:

3 left

💡 Hint

Common Mistakes

Using long or short instead of int.

Omitting either unsigned or int.

The correct declaration for an unsigned integer register variable is register unsigned int index;.

5fill in blank

hard

Fill all three blanks to declare a register variable named totalCount of type long long int.

C

register [1] [2] [3] totalCount;

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

Along

Bint

Dunsigned

Attempts:

3 left

💡 Hint

Common Mistakes

Using unsigned when not required.

Incorrect order of type specifiers.

The correct declaration for a long long int register variable is register long long int totalCount;.