Activity diagram Essays

  • ISAC And System Development

    1098 Words  | 3 Pages

    .. ...m cost/benefits of ambition level. c. Coordination of information subsystems – define interface between information systems and assign priorities to them. 3. Participation – the orientation of change analysis and activity study on business problem and business activities makes a high degree of user participation. In ISAC, representatives of user perform change analysis and the developer plays the role of the facilitator at this stage. This requires communicative and social skills of the

  • petri

    769 Words  | 2 Pages

    path, each transition is fired with a 5 cents coin and takes 4 firing transitions before candy bar is released from the machine. Fig 18: Vending machine state diagram representation of Petri net b. Producer – Consumer Problem: A Petri net representation of the Producer – Consumer problem has been described below with reference to the diagram. In this system, producer puts information into the buffer and consumer collects and deletes information from the buffer. If the buffer is full, Producer will

  • Productivity In Construction Industry

    679 Words  | 2 Pages

    1.1 General Construction labour productivity has become big problem in construction industry. In many countries, labour cost comprises 30 to 50% of the overall project’s cost (Yates and Guhathakurta, 1993), and thus is regarded as a true reflection of the economic success. Because construction is labour-intensive industry, significance of this effect not only justifies the concern over its labour productivity, but it can also be argued that labour power is the only productive resource. There are

  • Sports Lesson Planning

    639 Words  | 2 Pages

    five minutes, so as not to tire them out. Skills and Practice For a practice/skills based activity, an obstacle course would be set up for them to complete (see diagram) while dribbling a football. They will each get a turn at this, and hopefully, it will prove to be fun as well as good practice. This activity will last about 5 - 10 minutes. [IMAGE] Text Box: The aim of this activity is to practice ball control. The Game After the warm up and practise sessions, the students

  • Evolution of the Keyboard

    1578 Words  | 4 Pages

    picking/plucking them that they would produce sounds and that the tighter you stretched these strings the higher the sound would go. These were the early beginnings of the pianoforte. The first ancestor of the modern pianoforte is the monochord (diagram 1). A monochord is a wooden box with a single string stretched lengthwise down the middle. The string sits raised on bridges very dissimilar to those of a violin or cello. These bridges positioned approximately 2 inches in from each end. They are

  • Tourism in The Isle of Purbeck

    1610 Words  | 4 Pages

    we visited whilst on our visit. Also in the next couple of pages I will explain the impact of tourism of each site The Geology Of The Isle Of Purbeck The diagram of the geology of The Isle of Purbeck The above diagram shows how the bays and headlands have been formed due to the different types of rocks. In the diagram you can see the tertiary sands, clay rocks and wealden clay rocks are the less resistant rocks and the Portland and Purbeck limestone is the resistant rock. Therefore

  • The Effect of Temperature on the Action of Peroxidase Enzyme

    779 Words  | 2 Pages

    results. Taking the averages I will plot them against the temperatures the experiments were conducted at. By doing this I can finds the temperatures that peroxidase works best at. Doing the experiment 1. Set up the equipment as shown in the diagram. 2. Heat the peroxidase and hydrogen peroxide separately to the required temperature. 3. Mix the hydrogen peroxide and the peroxidase in a conical flask, replace the bung quickly. 4. Begin timing. 5. Record the amount of gas given off

  • Costs, Profits and Break-even Analysis

    5441 Words  | 11 Pages

    Costs, Profits and Break-even Analysis Alas, this means coming to terms with numbers, something that seems to frighten a large proportion of Business Studies students. Before reaching the stage of actually drawing a break-even diagram we need to think what actually goes into one. First, we need to look at costs. They can be referred to in terms of output, time or product. When we speak of costs in terms of output and time we mean FIXED and VARIABLE costs. Remember fixed costs do not vary

  • General Periodicity

    932 Words  | 2 Pages

    of a periodic table is given below : [IMAGE] The elements in the columns down the periodic table form groups. The major groups are numbered but often the numbers are given as Roman numerals (the first group, the blue column in the above diagram, is referred to as group I etc). Elements within the same group similar chemical properties but often show a systematic variation in extent or speed of reaction as the group is descended. For example all of the group one elements (the alkali

  • Investigating How Changing the Concentration of Sucrose Affects Its Reaction Time

    1688 Words  | 4 Pages

    the sucrose concentration increases, so will the rate of reaction, but only up to a certain point. This is shown through the diagram below. As can be seen, there is a point at which the rate of reaction becomes constant, and no longer increases. This is because of the way in which the substrate interacts with the enzyme to form the end products. [IMAGE] The diagram above shows that the substrates interact with the enzymes at a specific location. This location is known as the active site

  • The Effect of Temperature on the Rate of Respiration in Yeast

    1871 Words  | 4 Pages

    works on a specific substance, called its substrate. The diagram below shows an “E” (an enzyme) catalysing the breakdown of “S” (the substrate) into two different products (“P”). Catalysis occurs because substance S fits precisely into surface of the enzyme E, so this reaction and no others are speeded up. Diagram showing an enzyme catalsying the breakdown of its substrate into two product molecules. As can be seen from the diagram, if the enzyme changes shape, the active site (the area

  • Semiotics and Instructional Technology

    2258 Words  | 5 Pages

    1). This area of discussion can cover a broad range of topics from hieroglyphic writing to "Masks and the semiotics of identity." "In semiotic terms, an icon is a variety of sign that bears a resemblance to its object; a diagram, for example, is an icon of that which the diagram represents (Pollock, 1995, p. 1). In Bourland-Davis’ article, she draws from Johnson and Hackman to discuss semiotics as a form of symbolic communication (Bourland-Davis, 1998, p. 2). In Bourland-Davis’ article (Bourland-Davis

  • International Parity Conditions

    3174 Words  | 7 Pages

    Data………………………………………………18 Table of Figures Figure 1. International Parity Conditions Figure 2. Scatter Diagram for PPP Figure 3. Time-series data for inflation rates differential and exchange rate change Figure 4. Regression Plot for PPP Figure 5. Scatter Diagram for FE Figure 6. Time-series data for inflation and interest rates differentials Figure 7. Regression Plot for FE Figure 8. Scatter Diagram for IFE Figure 9. Time-series data for interest rates differentials and exchange rate change Figure

  • Investigate the Effect of Varying Solution Concentration on Osmosis in a Potato Chip

    3441 Words  | 7 Pages

    concentration to the area of low until both sides are equal. This is osmosis, and is shown in the diagram below. Examples of osmosis can also be seen in living cells. Root hairs on plants take in water from the soil via osmosis. Water continuously moves along the cells of the root and up the xylem to the leaf. Water is moving to areas of lower water concentration all the time. This is shown in the diagram below. Example of Osmosis in a Root Hair Cell When a cell is placed in distilled water which

  • The Effect Of Voltage On A Current Through A Filament Lamp Lab Report

    866 Words  | 2 Pages

    The Effect of Voltage on a Current Through a Filament Lamp Equipment: · Power Supply. (Ranging from 0V to 6V). · Variable Resistor. · Ammeter. · Voltmeter. · 6V Filament Lamp. · 7 Wires. Definitions: Ammeter - This is a device that measures the current of electrons in Amps. It has to be placed in Series on the circuit. Voltmeter -

  • Photosynthesis Lab Report

    872 Words  | 2 Pages

    seven measurements from 0 to 0.6 grams of sodium bicarbonate doing each test twice. For my experiment I will need the following equipment- Pondweed, Beaker, Water, Lamp, Sodium bicarbonate, Glass rod, Scales and a stopwatch Diagram Carrying

  • Beta Particles

    2191 Words  | 5 Pages

    stop radiation at a small thickness. Equipment Strontium 90 beta source GM tube + counter Different thickness of different metals Clamps, bosses and clamp stand to hold the source and the material being tested. Method 1. Set-up equipment as in the diagram 2. Record the thickness and the material being used. 3. Record 5 readings of the radiation count, and record them in a table 4. Replace material being tested with different material or a different sized material. 5. Repeat steps 2 to 4 as required

  • An experiment to find out how changing the concentration of acid

    1113 Words  | 3 Pages

    water tray half full with water. Then I will collect 3g medium chips. I will measure 30cm3 of hydrochloric acid. I will connect the delivery tube to the measuring cylinder which is turned over which will be full with water. This is shown on my diagram. I will begin timing using a stopwatch and record the results every 10 seconds for 1 minute. I will use 0.5molar/dm3 to 3.0molar/dm3 of hydrochloric acid and record 3 sets of results and then I will take an average. Fair Test In order to

  • The Factors that Affect the Temperature Change Between Copper Sulphate and Iron Filings

    623 Words  | 2 Pages

    the higher the temperature rise. I therefore predict the higher the concentration the higher the temperature change. Background knowledge I know that when I add the iron filings to the solution the iron will displace the Copper here is a diagram to show the reaction. [IMAGE] Controlled variables Ø The same mass of Iron filings Ø The same volume of copper sulphate solution Variables Ø Concentration of the Copper Sulphate (CuSO4) Safety Ø Wash hands if you get all copper

  • Studying a Simple Harmonic Oscillator

    1252 Words  | 3 Pages

    harmonic motion of a pendulum can be studied by attaching a ticker-tape to a pendulum bob and analyzing the dots marked on the tape. Theory ------ In this experiment, a string was used to suspend a 0.5 kg mass. [IMAGE] Refer to the diagram above, [IMAGE] Considering the tangential force on the mass, [IMAGE] [IMAGE] ∴The oscillation is simple harmonic. Therefore, we can find out more on simple harmonic motion by analyzing the ticker-tape we obtained after the experiment