PR _Lab _ Basic _ Quiz

What is the output of print(2 ** 3) in Python?

• 6

• 8

• 4

• 9

In C, what is the correct syntax to declare a variable?

• int; x;

• float y = 5;

• type variable_name; // e.g., int x; or float y = 5.0;

• variable_name type;

What is a linear search algorithm?

• A linear search algorithm is a method for finding a target value within a list by checking each element one by one.

• A linear search algorithm uses a binary tree for searching.

• A linear search algorithm finds the target value by jumping to random elements.

• A linear search algorithm sorts the list before searching.

Define a stack in data structures.

• A stack is a collection of elements that can be accessed in any order.

• A stack is a linear data structure that follows the Last In First Out (LIFO) principle.

• A stack is a non-linear data structure that allows random access to elements.

• A stack is a data structure that follows the First In First Out (FIFO) principle.

What is the purpose of the 'def' keyword in Python?

• To import a module.

• To define a function.

• To declare a variable.

• To create a class.

How do you create a comment in C programming?

• Use '//' for multi-line comments

• Use '#' for comments

• Use '/*' for single-line comments

• Use '//' for single-line comments and '/* ... */' for multi-line comments.

What is the time complexity of binary search?

• O(log n)

• O(1)

• O(n)

• O(n log n)

Explain the difference between an array and a linked list.

• An array is more efficient for insertions and deletions compared to a linked list.

• An array has fixed size and allows indexed access, while a linked list is dynamic and allows for efficient insertions and deletions.

• An array can grow dynamically while a linked list has a fixed size.

• A linked list allows indexed access while an array does not.

What is a tuple in Python?

• A tuple is defined by items in square brackets.

• A tuple is a mutable sequence type in Python.

• A tuple is an immutable sequence type in Python, defined by items in parentheses.

• A tuple can be modified after creation.

What is the role of the main() function in a C program?

• The main() function is the entry point of a C program.

• The main() function is used for variable declaration.

• The main() function handles memory allocation.

• The main() function is responsible for error handling.