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[2022] COMP9315 DBMS Implementation 22T1 - Final Exam - Q8 Page Slice

[2022] COMP9315 DBMS Implementation 22T1 - Final Exam - Q8 Page Slice

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Question 8 (6 marks)

Consider the following collection of (very unrealistically sized) superimposed codeword page descriptors and their corresponding bit-sliced version. Page desciptors are 10-bits long, and there are 8 pages. Bit-slices are 8-bits long and there are 10 of them. CourseNana.COM

Page descriptors         Bit Slices
================         ==========
[0] 0100010110           [0] 01010110
[1] 1000110010           [1] 10100101
[2] 0101010100           [2] 00010110
[3] 1010101010           [3] 00101110
[4] 0001111000           [4] 01011001
[5] 1111000000           [5] 11101001
[6] 1011000001           [6] 00011000
[7] 0100110100           [7] 10100001
                         [8] 11010000
                         [9] 00000010

Given the query descriptor 0100010100 ... CourseNana.COM

Show how the slice of potentially matching pages is derived.
Start from a "matching slice" containing 11111111, and show all intermediate values of the matching slice. CourseNana.COM
State which pages contain potential matches.
Bit [0] in a slice corresponds to page [0], bit [1] in a slice corresponds to page [1], etc. CourseNana.COM

State all assumptions. Show all working. CourseNana.COM

Instructions: CourseNana.COM

Type your answer to this question into the file called q8.txt
Submit via: give cs9315 exam_q8 q8.txt
or via: Webcms3 > exams > Final Exam > Q8 submission > Make Submission

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