Week 4: Problems and Exercises 5. Consider the E-R diagram in Figure 7-20. Based on this E-R diagram, answer the following questions: a. According do E-R diagram Figure 7-20 the degree shows many to many which indicates there are several projects with several employees working on them. b. The degree of the Used on shows “many” (maximum cardinality) coming from Tool and “minimum” (cardinality of zero) to Task. c. There is one associative entity that appear in this diagram: Work on d. How else
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Summer Price ENG-111 26H January 26, 2016 Taking Flight I will never forget the day my life changed forever. I know a lot of people say that about a lot of things. I’m sure you’ve heard many earth-shattering stories about death and despair – but mine is different. You see, on this day, I was thrown into the unknown. Alone, scared, and extremely clueless about why this was happening to me. Everything in my life became utter chaos -- quite literally, overnight. It was a Tuesday. Or maybe a Wednesday
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V & H LOOKUP FUNCTION These functions provide a means of reading individual data values from lookup tables (also known as arrays or ranges). Excel allows you to perform both vertical and horizontal lookups by using VLOOKUP and HLOOKUP functions. Vertical lookup Vertical lookup Searches the leftmost column of a lookup table for a specific “Search Value” and then returns a value contain in the intersecting cell of the relevant row and relevant column of the lookup table. Note: Function abbreviation
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Section A: One to Many (1:M) Relationship 1. Base on the following description; draw a conceptual data model using the entity relationship diagramming technique. a) Employee Number identifies an employee. Employee name is kept. b) Each customer has a unique customer number. His name, address are recoded. c) An employee is assigned to attend to one or more customers. Not all employees attend customers. d) A customer must be attended to by only one employee
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1. | Question : | The Excel function RAND() generates a random number that is | | | Student Answer: | | between -1 and 0 | | | | between 0 and 1 | | | | between -1 and 1 | | | | between 0 and 100 | | | | Points Received: | 4 of 4 | | Comments: | | | | 2. | Question : | Which of the following Excel formula always generates a number that is between 100 and 200? | | | Student Answer: | | =100 * RAND() | | | | =100 * RAND() + 200
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------------------------------------------------- Chapter 2 1. 16 2. 8 3. 8 6. A = 15H + 13H = 28H (HEX) A = 0001_0101B + 0001_0011B = 0010_1000B (BINARY) 7. A and D 11. Low; high 12. Assembly Language uses less memory space then C and files are generally shorter. 13. Compiler 14. true 15. lst file 23. (a) MOV A, #55H - 2 bytes (b) MOV R3, #3 2 bytes (c) INC R2- 1 byte (d) ADD A, #0 -2 bytes (e) MOV A, R1 -1 byte (f) MOV R3, A -1 byte (g) ADD A, R2 -1 byte
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Introduction to Data Structures and Algorithm Analysis Third Edition (Java) Clifford A. Shaffer Department of Computer Science Virginia Tech Blacksburg, VA 24061 April 16, 2009 Copyright c 2008 by Clifford A. Shaffer. This document is the draft of a book to be published by Prentice Hall and may not be duplicated without the express written consent of either the author or a representative of the publisher. Contents Preface xiii I Preliminaries 1 1 Data Structures and Algorithms
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ABSTRACT Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimen- sional data model that offers an intuitive array-based per- spective of the underlying data. Supporting efficient index- ing facilities for multi-dimensional cube queries is an issue of some complexity. In practice, the difficulty of the in- dexing problem is exacerbated by the existence of attribute hierarchies
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collection of hardware, software, data, people and procedures that are designed to generate and disseminate information and data that supports the activities of an organization” (International Graduate, 2011). Kudler Fine Foods is an organization specializing in providing domestic and imported sustenance to consumers. This paper clarifies an information system critical to their business process and examines how this system has an effect on the organization’s intricate structure. Information Systems
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Organisational Structure For an organisation to be successful it needs a strong organisational structure. How the organisation is set up will directly impact the success or failure of the company. They need to be structured and organised in a way that will meet their goals and needs. Even though the organisational structure is focus on the company’s goal it also dictates how to report priorities and strategies of upper management. The organisational structure is a hierarchy of people and its
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