DS 24 G2 Q1

Which of the following operations is NOT typically associated with data structures?

• Traversing

• Sorting

• Compiling

• Searching

What is the process of combining two lists into one called?

• Insertion

• Merging

• Sorting

• Searching

Which of the following best describes an algorithm?

• A way to store data

• A sequence of steps to solve a problem

• A programming language

• A hardware device

Which operator is used to get the address of a variable in C?

• *

• &

• %

• @

What is the value stored in a pointer variable?

• The data stored in the memory location it points to.

• The address of the memory location it points to.

• The size of the memory location.

• The type of data it points to.

Which of the following statements about NULL pointers is true?

• NULL pointers point to a valid memory location.

• NULL pointers must be dereferenced before use.

• A NULL pointer points to nothing.

• A NULL pointer can hold a non-zero value.

Which of the following statements is true about pointer arithmetic?

• Adding an integer to a pointer increases the pointer by that integer.

• Adding an integer to a pointer increases the pointer by that integer multiplied by the size of the type the pointer points to.

• Subtracting an integer from a pointer decreases the pointer by one byte.

• Pointer arithmetic is not allowed in C.

Which of the following is true about structure declaration in C?

• • It reserves memory for its members immediately upon declaration.

• It requires the use of a semicolon at the end of the declaration.

• It cannot contain variables of different data types.

• It does not support the use of arrays within structures.

Which of the following is NOT allowed when working with structure variables?

• Assigning one structure variable to another.

• Comparing two structure variables using the equality (==) operator.

• Initializing structure members during variable declaration.

• Accessing structure members using pointers.

How is memory allocated for structure members in C?

• Memory is allocated for all members at once.

• Memory is allocated only when structure variables are declared.

• Memory is allocated dynamically by default.

• Memory is allocated based on the data type of the structure.