Data Flow Diagrams * Graphically characterize data processes and flows in a business system Basic Symbols * A double square for an external entity * An arrow for movement of data from one point to another * A rectangle with rounded corners for the occurrence of a transforming process * An open-ended rectangle for a data store The four basic symbols used in data flow diagrams‚ their meanings‚ and examples [Type a quote from the document or the summary of an interesting point
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Question 1: What is the normal process flow of the production system at Donner? Draw a process flow diagram. Question 2: What orders would you schedule on the CNC drill? On CNC router? Operation Setup Time (min) Run Time/board Manual Drill 15 0.08*500 = 40 CNC Drill 240 0.004*500 = 2 Punch Press 50 1 CNC Router 150 0.5 a) CNC Drill vs Manual Drill Let x be order size than 15 + 40x = 240 + 2x; x = 5.92; From this equation we get x approximately equal to 6
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v rESr coDE FORM TP 2009492 01234020 MAY/JUNE CARIBBEAN EXAMINATIONS COUNCIL SECONDARY EDUCATION CERTIFICATE EXAMINATION MATHEMATICS Paper 02 - General Proficiency 2 hours 40 minutes 20 . MAY 2ID9 (a.m.) INSTRUCTIONS TO CANDIDATES 1. Answer ALL questions in Section I‚ and ANY TWO in Section II. 2. Write your answers in the booklet provided. 3. All working must be shown clearly. 4. A list of formulae is provided on page 2 of this booklet. Examination
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Cycle time: Bottleneck| Cycle time = 1/Capacity rate | | Inventory = Throughput Rate x Flow Time | Little’s Law: I = R x T | Inventory Turns (IT) = 1 / Flow time (T) = R / I | BCWS = Budgeted Cost of Work Scheduled BCWC = Budgeted Cost of Work Complete |ACWC = Actual Cost of Work Complete | Cost Variance CV = BCWC – ACWC | Schedule variance SV = BCWC – BCWS | Utilization=Demand /CAPACITY| Inventory Buildup rate IBR|No IBR if no stations limits Throughput rate| Capacity rate = 1 / Cycle
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Introduction to Unified Modeling Language (UML) A computer program is typically a large‚ complex system composed of many different components. During the object-‐oriented system analysis and process‚ programmers must understand the requirements for the new computer program and determine the objects that should exist in
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3.9.2 Data Flow Diagram (DFD) DFD or Data Flow Diagram is a graphical representation that showing the flow of data of information system. It also shows the structured design of the program to replace the flowchart or pseudo code as program tool. Basically DFD can be divided into four components such as entity or external entity‚ process‚ data store and data flow. DFD start with an overview of the system that needs to be designed. This DFD known as context DFD that contain the entity and the process
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assumptions in a Credit Card Sale System are: 1. The Customer and the Retailer have an account in the same bank. 2. Instead of the grid through which all the banks are connected the payment is processed by the bank for simplicity. E-R Diagram Tables and Primary Keys Normalization Forms The three normalization forms are 1. First normal form 2. Second normal form 3. Third normal form First normal form First normal form states that there should be no repeating elements
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Engineering Materials Week 6 9.7 Given here are the solidus and liquidus temperatures for the copper-gold system. Construct the phase diagram for this system and label each region. 9.22 For 5.7 kg of a magnesium-lead alloy of composition 50 wt% Pb-50 wt% Mg‚ is it possible‚ at equilibrium‚ to have α and Mg₂Pb phases with respective masses of 5.13 and 0.57 kg? If so‚ what will be the approximate temperature of the alloy? If such an alloy is not possible‚ then explain why. It is not possible. From
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ACKNOWLEDGEMENT We would like to express our sincerest appreciation and heartfelt gratitude to the following who in one way or another‚ made this research possible. Above all‚ to our almighty God‚ for giving us His divine providence through the course of this subject; for providing us with talents‚ enthusiasm‚ and strengths needed to accomplish this thesis. To our family and friends‚ who provided priceless love and support. To our adviser Prof Jayson R. Hermognes‚ for his unending patience
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