Recursive Methods and Algorithms Quiz
Explore recursion in computer science with this quiz covering base cases, time complexity, tail recursion, memoization & more.
#1
What is recursion in computer science?
A loop that iterates a fixed number of times
A function that calls itself
A data structure used for storing elements
A method for sorting arrays
#2
Which of the following is a base case in recursive functions?
The case where the function returns a value without making any further recursive calls
The case where the function makes a recursive call
The case where the function returns 'false'
The case where the function throws an error
#3
What is the base case in recursion?
The case where the function stops calling itself
The case where the function calls itself infinitely
The case where the function executes a loop
The case where the function throws an exception
#4
What happens if the base case is not defined properly in a recursive function?
The function will still execute correctly
The function will throw an error
The function will enter an infinite loop
The function will terminate immediately
#5
What is the time complexity of the Fibonacci sequence algorithm implemented using recursion?
#6
What is tail recursion?
A recursion method that never terminates
A recursion method where the recursive call is the last thing executed by the function
A recursion method that has multiple base cases
A recursion method that uses a stack data structure
#7
Which of the following is NOT a valid example of recursion?
Factorial calculation
Binary search
Bubble sort
Tower of Hanoi
#8
What is memoization in the context of recursion?
A technique to optimize recursive algorithms by storing previously computed results
A method for breaking down complex problems into smaller subproblems
A way to handle errors in recursive functions
A method for implementing tail recursion
#9
What is the main drawback of using recursion?
Recursion is inefficient in terms of memory usage
Recursion can lead to infinite loops
Recursion is only applicable to a limited set of problems
Recursion can only be implemented in certain programming languages
#10
In recursion, what is meant by the 'call stack'?
A data structure that stores function calls
A stack of function definitions
A mechanism for handling base cases
A method for handling recursive calls
#11
What is a common example of tail recursion optimization?
Adding a base case to the recursive function
Converting the recursive function into an iterative one
Storing previously computed results in a cache
Using a stack to manage recursive function calls
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