Discovering Computers ©2018: Digital Technology, Data, and Devices
1st Edition
ISBN: 9781337285100
Author: Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Jennifer T. Campbell, Mark Frydenberg
Publisher: Cengage Learning
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Expert Solution & Answer
Chapter 7, Problem 46SG
Explanation of Solution
Uses of interactive whiteboards and force-feedback game controllers:
Interactive whiteboard:
- An interactive whiteboard is like a dry-erase board. It is a touch-sensitive device that shows the image on a computer screen through a projector.
- A presenter operates a program by touching the whiteboard, clicking a remote control, drawing on or erasing the whiteboard with a special digital pen and eraser, or writing on a special tablet.
- The written notes on the interactive whiteboard can be saved directly on the computer.
- It is used in the classrooms, company meetings, and delivering presentations.
- For example, an interactive whiteboard is used in the classrooms as a teaching tool. The trainers and students can write on an interactive board that communicates wirelessly with the whiteboard...
Explanation of Solution
Tactile output:
- Some input devices such as mobile devices, smartphone, and mouse that are used to give instruction causes the software to perform a particular action.
- These input devices also operate as output devices when they include tactile output...
Expert Solution & Answer
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Objective
Implement Bottom-Up Iterative MergeSort and analyze its efficiency compared to
recursive MergeSort. Unlike the recursive approach, which involves multiple function
calls and stack overhead, the bottom-up version sorts iteratively by merging small
subarrays first, reducing recursion depth and improving performance.
Task
1. Implement Bottom-Up Iterative MergeSort
о Start with single-element subarrays and iteratively merge them into larger
sorted sections.
Use a loop-based merging process instead of recursion.
○ Implement an efficient in-place merging strategy if possible.
2. Performance Analysis
Compare execution time with recursive MergeSort on random, nearly
sorted, and reversed datasets.
○ Measure and plot time complexity vs. input size.
O
Submission
Explain why the iterative version reduces function call overhead and when
it performs better.
•
Code implementation with comments.
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A short report (1-2 pages) comparing performance.
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Graph of execution time vs. input size for…
Chapter 7 Solutions
Discovering Computers ©2018: Digital Technology, Data, and Devices
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