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Problem
1. In the group-commit technique, how many transactions should be part of a group? Explain your answer.
2. Is a high-performance transaction system necessarily a real-time system? Why or why not?
3. In a database system using write-ahead logging, what is the worst-case number of disk accesses required to read a data item? Explain why this presents a problem to designers of real-time database systems.
the discussion board db is part of the core of online learning. classroom discussion in an online environment
Write down a C program that prompts the user for a filename, and changes every alphabetic character in the filename to corresponding capital letter. Numbers and special characters should not be changed. Print the capitalized output to the screen.
What can the knowledge management systems do for Sales and Marketing? What can they NOT do?
What happens in a virtual circuit packet-switched network if a node or communications link along the virtual path fails?
What levels of access rights can exist for a file? Describe the levels of RAID. What are their comparative advantages and disadvantages?
Identify the quality attributes this system will need for its architecture. Construct a matrix of quality attributes (nonfunctional requirements) that you've identified.
taskproceed according to the following instructions.1.identify a recent within the last six 6 months moral dilemma or
Create the logic for a dice game. The application randomly "throws" five dice for the computer and five dice for the player.
Create two sounds, one a square and one a triangle, using the same inputs. Add the sounds together, with blend percentage of square and 100-blend of triangle.
Design a serial 2s complementer with a shift register and a flip-flop
Paper describes about memory management. How memory is used in executing programs and its critical support for applications.
questionexecute a recursive directory traversal. as walking the file tree you will be looking for duplicate files and
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