DS 24 G1 Q1

Which of the following is NOT a benefit of using data structures?

• Efficient memory usage

• Faster data manipulation

• Direct hardware control

• Reusability of code

Which data structure allows efficient insertion and deletion but slow searching?

• Arrays

• Linked Lists

• Trees

• Heaps

Which type of search algorithm is more efficient for a sorted list?

• Linear Search

• Binary Search

• Random Search

• Exponential Search

Which data structure is ideal when the size of data is unknown and may change frequently?

• Arrays

• Linked Lists

• Stacks

• Heaps

What is the primary advantage of using pointers in C?

• Pointers simplify memory management.

• • Pointers prevent memory leaks.

• Pointers improve security.

• Pointers allow access to memory addresses directly.

What does the following line of code do: int *p = &a;?

• • Declares a pointer p and assigns it the value of a.

• Declares a pointer p and assigns it the address of a.

• Declares an integer p and assigns it the value of a.

• Declares an integer p and assigns it the address of a.

What happens when you dereference a pointer using the * operator?

• You assign a new address to the pointer.

• You change the type of the pointer.

• You access the value stored in the memory location the pointer points to.

• You increment the value of the pointer.

What is a structure in C?

• A derived data type that can hold only integer values.

• A derived data type that can hold different data types under one name.

• A primitive data type similar to an array.

• • A function that holds multiple values.

ow do you access a structure member using a pointer without asterisk (*)?

• Using the dot operator (.)

• Using the comma operator (,)

• Using the arrow operator (->)

• • Using the address-of operator (&)

What does the typedef keyword do in C?

• It declares a new data type by allocating memory.

• It creates an alias or alternate name for existing data types.

• It assigns values to structure members.

• It initializes structure variables automatically.