7. (8%) Please explain and write computer program for quicksort. Please write the step by step contcnt of array with numbers: 3, 7, 8, 5, 2, 1, 9, 5, 4.What is the average sorting time for n items?

1. (46%, 2 points for each problem) Please define the following terms and explain the content, purpose, and application of each term and give an illustrative example if possible. If possible, define the term in mathematical equation. If it is an acronym, please write the full name. For example: CD-ROM: Compact Disk-Read Only Memory: the most common type of optical storage medium; data is written in a series of lands and pits on the surface of a disk, which can be read by a laser in a CD-ROM drive; stores approximately 650 MB but cannot be altered. (1) network topology (2) dynamic program ming (3) greedy algorithm (4) disk defragmentation (5) disk formatting (6) volatile memory (7) DDR: Double Data Rate (8) assembly language (9) dynamic linking library (10) SSD: Solid-State Drive (11) FTP (12) CNN: Convolutional Neural Network (13) SVM: Support Vector Machine (14) OCR: Optical Character Recognition (15) iris recognition (16) edge computing (17) big data (18) AloT (19) four steps of machine instruction cycle (20) von Neumann architecture (21) dead lock (22) interrupt (23) object- oriented programming

7. (8%) Please explain and write computer program for quicksort. Please write the step by step contcnt of array with numbers: 3, 7, 8, 5, 2, 1, 9, 5, 4.What is the average sorting time for n items?

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