Randomized Algorithms MCQs With Answers

Computer MCQs 360May 5, 2024

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Randomized Algorithms Online Quiz

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Test Name: Randomized Algorithms MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Randomized Algorithms

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1 / 40

Which randomized algorithm is commonly used for clustering in machine learning?

Monte Carlo simulation

Randomized Kruskal's

k-means++

2 / 40

Which randomized algorithm is used to approximate the volume of convex bodies?

Quickselect

Markov Chain Monte Carlo

Quicksort

3 / 40

What is the primary feature of a Las Vegas algorithm?

Always fast

Always correct, expected time may vary

Memory usage is fixed

4 / 40

What is the key advantage of randomized algorithms in high-dimensional geometry problems?

Use less memory

Always exact solutions

Handle complexity better

5 / 40

What is the expected time complexity of randomized quicksort?

O(n log n)

O(n)

O(n^2)

6 / 40

Which randomized algorithm is used for approximating the permanent of a matrix?

Randomized Markov Chain

Freivalds' algorithm

Monte Carlo simulation

7 / 40

What is a primary application of randomization in cryptographic algorithms?

Secure key generation

Sorting elements

Graph traversal

8 / 40

What is the purpose of random sampling in randomized algorithms?

Increase accuracy

Reduce complexity

Sort elements

9 / 40

Which algorithm uses randomization to solve the subset sum problem?

Randomized Kruskal's

Randomized Dynamic Programming

Monte Carlo simulation

10 / 40

Which algorithm uses randomization to solve the 2-SAT problem efficiently?

Randomized 2-SAT Solver

Randomized Kruskal's

Monte Carlo simulation

11 / 40

What is the primary use of the Randomized Weighted Majority Algorithm?

Online learning

Graph algorithms

Sorting algorithms

12 / 40

Which randomized algorithm is used to solve the problem of finding the closest pair of points?

Monte Carlo simulation

Quicksort

Randomized Divide and Conquer

13 / 40

Which randomized algorithm is used for solving the maximum flow problem in networks?

Randomized Push-Relabel

Randomized Bellman-Ford

Randomized Kruskal's

14 / 40

What is the key concept behind the Randomized Rumor Spreading algorithm?

Efficient information dissemination

Finding shortest paths

Sorting elements

15 / 40

Which randomized algorithm is used in geometric algorithms for computing convex hulls?

Monte Carlo simulation

Quicksort

Randomized Incremental Algorithm

16 / 40

Which randomized algorithm is used for finding the median of a list?

Quicksort

Randomized Prim's algorithm

Quickselect

17 / 40

Which algorithm is used for randomized matrix multiplication?

Strassen's algorithm

Freivalds' algorithm

Coppersmith-Winograd algorithm

18 / 40

What is a key characteristic of Monte Carlo algorithms?

Probabilistic correctness

Deterministic correctness

Guaranteed correctness

19 / 40

Which randomized algorithm is used for polynomial identity testing?

Schwartz-Zippel algorithm

Monte Carlo simulation

Freivalds' algorithm

20 / 40

What is the expected time complexity of Quickselect for finding the k-th smallest element?

O(n)

O(n^2)

O(n log n)

21 / 40

Which randomized algorithm is used for estimating the number of distinct elements in a stream?

Cuckoo Hashing

Bloom Filter

HyperLogLog

22 / 40

What is the main purpose of using random walks in algorithms?

Solve linear equations

Sort elements

Explore graph properties

23 / 40

Which algorithm uses randomization to solve the satisfiability problem?

Randomized SAT Solver

Randomized Kruskal's

Monte Carlo simulation

24 / 40

What is the main benefit of using Las Vegas algorithms?

Always correct

Uses less memory

Always fast

25 / 40

Which randomized algorithm is used for primality testing?

Euclid's algorithm

Miller-Rabin algorithm

Sieve of Eratosthenes

26 / 40

Which algorithm uses randomization for solving the minimum spanning tree problem?

Prim's algorithm

Randomized Kruskal's algorithm

Boruvka's algorithm

27 / 40

What is the main purpose of random restarts in optimization algorithms?

Speed up convergence

Reduce memory usage

Avoid local optima

28 / 40

What is the main application of the Randomized Rounding technique?

Sorting algorithms

Graph algorithms

Approximation algorithms

29 / 40

Which algorithm is known for its use of randomization in solving the minimum cut problem?

Prim's algorithm

Karger's algorithm

Dijkstra's algorithm

30 / 40

What is the main advantage of randomized algorithms over deterministic algorithms?

Better average-case performance

Always faster

Simpler implementation

31 / 40

Which randomized algorithm is used to approximate the value of Pi?

Markov Chain

Quicksort

Monte Carlo simulation

32 / 40

Which randomized algorithm is used for solving the k-SAT problem?

Monte Carlo simulation

Randomized Kruskal's

Randomized WalkSAT

33 / 40

What is a common use of randomization in data structures?

Sorting elements

Merging lists

Balancing trees

34 / 40

What is the primary goal of a Monte Carlo algorithm in numerical analysis?

Simplification

Approximation

Exact solution

35 / 40

Which randomized algorithm is used to solve linear programming problems?

Randomized Kruskal's

Randomized Simplex Algorithm

Monte Carlo simulation

36 / 40

In which algorithm does randomization help in selecting a pivot element?

Mergesort

Quicksort

Heapsort

37 / 40

Which randomized algorithm is used for pattern matching in strings?

Boyer-Moore algorithm

Knuth-Morris-Pratt algorithm

Rabin-Karp algorithm

38 / 40

What is the main benefit of using randomized load balancing algorithms?

Faster execution

Less memory usage

Better distribution of load

39 / 40

What is the key advantage of randomized quicksort over deterministic quicksort?

Better average-case performance

Easier implementation

Lower memory usage

40 / 40

What is the primary use of the Reservoir Sampling algorithm?

Sorting elements

Random sampling from a stream

Finding shortest paths

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Computer MCQs 360May 5, 2024

0 9 1 minute read