Kavin Chinnasamy BADM 375 Cheat Sheet Queues form due to variability in arrival times‚ service times & service availability. Impact of variability increases as utilization increases! (throughput goes up or capacity goes down). Little’s Law: I = R x T (congestion = arrival rate x delay). Little’s Law is I = R*T (where I = avg inventory‚ r = throughput rate‚ t = avg flowtime). Delay explodes as the arrival rate approaches the system capacity: Delay ≈ 1/(capacity–arrival rate). The utilization
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Chapter One Ecology – the study of the many interactions in the world around us - body of knowledge concerning the economy of nature‚ investigation of the total relations of the animal both to its biotic and abiotic environment - concept developed by Ernst Haeckel in 1900s - The study of the interactions of organisms with one another and with their environment - not “the ecology” (wouldn’t say protect “the physics”) - not Environmental Science – study of how natural world works Ecological
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The Control Matrix A tool designed to assist in analyzing the effectiveness of controls‚ PCAOB Auditing Standard Number 5 – “Effectiveness of Control Design” Establishes the criteria to be used in evaluating the controls in a particular business process Steps in Preparing a Control Matrix STEP I: Specify control goals 1. Identify the Operations Process Control Goals -Effectiveness goals -Efficiency goals -Security goals 2. Identify Information Process Control Goals -Input Goals -Update Goals Operations
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sys Variables String Methods Datetime Methods capitalize() * lstrip() today() fromordinal(ordinal) builtin_module_names Linked C modules center(width) partition(sep) now(timezoneinfo) combine(date‚ time) byteorder Native byte order count(sub‚ start‚ end) replace(old‚ new) utcnow() strptime(date‚ format) check_interval Signal check frequency decode() rfind(sub‚ start ‚end) fromtimestamp(timestamp) utcfromtimestamp(timestamp) argv Command line args exec_prefix Root directory
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Disruptive Technology(Joseph L. Bower‚ Clayton M. Christensen) Issue lies at the heart of the paradox: They close too close to their customers. Companies listen to their customers‚ give product performances they were looking for‚ but in the end‚ were hurt by the technologies their customers led them to ignore. 2 Characteristics of the technological changes that damage established companies: 1) They typically present a different package of performance attributes (at the onset‚ not valued by
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Chap. 9 Psychological Assessment: The use of specified procedures to evaluate abilities‚ behaviors and personal qualities‚ measurement of individual differences because the majority of assessments specify how an individual is different from or similar to other people on a given dimension Sir Francis Galton: Hereditary genius in 1869‚ Galton’s Ideas of Intelligence: Differences are quantifiable‚ Differences form a bell shaped curve or normal distribution‚ Intelligence(mental ability) can be measure
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Chapter 1: Geology is the science that studies the history of Earth and its life. Anthropogenic (human generated) activities such as fossil fuel combustion impacting Earth has led to the study of Earth as a series of systems (series of components that interact to produce a larger‚ more complex whole). Geology is the science that examines the evolution of the natural processes on Earth‚ the evolution of life and the evolution of these interactions and how they caused the earth to evolve towards its
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Opt-out model of informed consent allows a company to collect personal info until the customers specifically requests otherwise – Opt-in model of informed consent prohibits a company to collect personal info unless the customers specifically authorizes it Social engineering getting around security systems by tricking computer users inside a company into revealing sensitive info or gaining unauthorized access – impersonation on the phone/tailgating/shoulder surfing Espionage or Trespass – unauthorized
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Trig Cheat Sheet Definition of the Trig Functions Right triangle definition For this definition we assume that p 0 < q < or 0° < q < 90° . 2 Unit circle definition For this definition q is any angle. y ( x‚ y ) hypotenuse opposite y 1 x q x q adjacent sin q = opposite hypotenuse adjacent cos q = hypotenuse opposite tan q = adjacent hypotenuse opposite hypotenuse sec q = adjacent adjacent cot q = opposite csc q = sin q = y =y 1 x cos q = = x 1 y tan q = x 1 y 1 sec q = x x cot q =
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Marketing Management - cheat sheet Definition of marketing: Marketing is an organizational function and a set of processes for creating‚ communicating and delivering value to customers and for managing customer relationships in ways that benefit the organization and its stakeholders -American Marketing Association (2004). New assumptions: “Connect and collaborate”‚ not “command and control”. Market as forum for cocreation of experiences. Customers and partners as co-creators of value‚ Value-centric
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