Randomized Algorithms MCQs With Answers

Computer MCQs 360May 5, 2024

0 9 1 minute read

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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

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

Reduce memory usage

Speed up convergence

Avoid local optima

2 / 40

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

Randomized Kruskal's

Randomized 2-SAT Solver

Monte Carlo simulation

3 / 40

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

Randomized Kruskal's algorithm

Prim's algorithm

Boruvka's algorithm

4 / 40

Which algorithm uses randomization to solve the satisfiability problem?

Randomized SAT Solver

Monte Carlo simulation

Randomized Kruskal's

5 / 40

Which randomized algorithm is used to solve linear programming problems?

Randomized Kruskal's

Randomized Simplex Algorithm

Monte Carlo simulation

6 / 40

What is a primary application of randomization in cryptographic algorithms?

Graph traversal

Sorting elements

Secure key generation

7 / 40

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

Karger's algorithm

Dijkstra's algorithm

Prim's algorithm

8 / 40

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

Always faster

Better average-case performance

Simpler implementation

9 / 40

Which randomized algorithm is used for pattern matching in strings?

Rabin-Karp algorithm

Boyer-Moore algorithm

Knuth-Morris-Pratt algorithm

10 / 40

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

Randomized Bellman-Ford

Randomized Push-Relabel

Randomized Kruskal's

11 / 40

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

Markov Chain Monte Carlo

Quickselect

Quicksort

12 / 40

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

Monte Carlo simulation

Randomized Divide and Conquer

Quicksort

13 / 40

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

Exact solution

Approximation

Simplification

14 / 40

What is a common use of randomization in data structures?

Sorting elements

Merging lists

Balancing trees

15 / 40

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

Mergesort

Heapsort

Quicksort

16 / 40

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

Randomized Markov Chain

Monte Carlo simulation

Freivalds' algorithm

17 / 40

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

Explore graph properties

Solve linear equations

Sort elements

18 / 40

What is the purpose of random sampling in randomized algorithms?

Sort elements

Reduce complexity

Increase accuracy

19 / 40

What is the primary use of the Reservoir Sampling algorithm?

Finding shortest paths

Random sampling from a stream

Sorting elements

20 / 40

What is the main benefit of using Las Vegas algorithms?

Always correct

Always fast

Uses less memory

21 / 40

Which randomized algorithm is used for polynomial identity testing?

Monte Carlo simulation

Freivalds' algorithm

Schwartz-Zippel algorithm

22 / 40

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

Markov Chain

Quicksort

Monte Carlo simulation

23 / 40

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

Faster execution

Less memory usage

Better distribution of load

24 / 40

What is the main application of the Randomized Rounding technique?

Approximation algorithms

Sorting algorithms

Graph algorithms

25 / 40

What is a key characteristic of Monte Carlo algorithms?

Deterministic correctness

Probabilistic correctness

Guaranteed correctness

26 / 40

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

Quicksort

Monte Carlo simulation

Randomized Incremental Algorithm

27 / 40

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

O(n log n)

O(n)

O(n^2)

28 / 40

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

Handle complexity better

Always exact solutions

Use less memory

29 / 40

Which algorithm uses randomization to solve the subset sum problem?

Randomized Kruskal's

Randomized Dynamic Programming

Monte Carlo simulation

30 / 40

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

k-means++

Randomized Kruskal's

Monte Carlo simulation

31 / 40

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

Sorting algorithms

Graph algorithms

Online learning

32 / 40

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

Better average-case performance

Easier implementation

Lower memory usage

33 / 40

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

Quicksort

Quickselect

Randomized Prim's algorithm

34 / 40

What is the expected time complexity of randomized quicksort?

O(n log n)

O(n)

O(n^2)

35 / 40

Which algorithm is used for randomized matrix multiplication?

Strassen's algorithm

Coppersmith-Winograd algorithm

Freivalds' algorithm

36 / 40

Which randomized algorithm is used for primality testing?

Euclid's algorithm

Miller-Rabin algorithm

Sieve of Eratosthenes

37 / 40

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

Sorting elements

Finding shortest paths

Efficient information dissemination

38 / 40

What is the primary feature of a Las Vegas algorithm?

Memory usage is fixed

Always fast

Always correct, expected time may vary

39 / 40

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

Randomized Kruskal's

Monte Carlo simulation

Randomized WalkSAT

40 / 40

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

Bloom Filter

HyperLogLog

Cuckoo Hashing

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Computer MCQs 360May 5, 2024

0 9 1 minute read