Pls. answer the 2 questions. write a short explanation each. Supposed you used quick sort and you are done on the FIRST PARTITIONING and the array looks like this: [4, 9, 1, 16, 28, 19, 21, 24]. Which element is the pivot?2819O 16O 21 Which is NOT TRUE about quick sort.O It is recursive.Combining requires comparison.O The pivot will end up on its sorted positionO It uses the divide and conquer paradigm.

1) Ans = 16 Partition algorithm divide the array into two part. Left part contain elements less than…

Answered: Supposed you used quick sort and you…

Supposed you used quick sort and you are done on the FIRST PARTITIONING and the array looks like this: [4, 9, 1, 16, 28, 19, 21, 24]. Which element is the pivot? O 28 O 19 O 16 O 21

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Fundamentals of Multithreaded Algorithms

An algorithm that executes a single instruction in a uniprocessor system is called a serial algorithm. In the case of a multiprocessor computer system, a multiprocessor computer can execute multiple instructions in parallel. A multithreaded algorithm is an algorithm that enables multiple instances of the code to be executed concurrently.Multithreading is a concept that allows the CPU to execute threads independently while sharing similar resources. It is an important CPU feature that works on the process. Thread is a sequence of instructions that executes in parallel with other threads. Because of multithreading, multiple tasks can be performed within a single process, making the execution faster.

Question

Pls. answer the 2 questions. write a short explanation each.

Supposed you used quick sort and you are done on the FIRST PARTITIONING and the array looks like this: [4, 9, 1, 16, 28, 19, 21, 24]. Which element is the pivot?
28
19
O 16
O 21

Which is NOT TRUE about quick sort.
O It is recursive.
Combining requires comparison.
O The pivot will end up on its sorted position
O It uses the divide and conquer paradigm.

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