MANAGEMENT INFORMATION SYSTEM Unit -1 System Analysis and Design - An overview: System study - System design -Development and Implementation testing and conversion. Unit - 2 Management Information System - An overview: Management Information System concept - Evolution and clement of MIS - Definition - characteristics and basic requirements of MIS - Structure of MIS - Computerised MIS - Approaches of MIS development - Pre-requisites of an effective MIS. Unit-3 Computers
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of a real-world process or system over time. Whether done by hand or on a computer‚ simulation involves the generation of an artificial history of a system‚ and the observation of that artificial history to draw inferences concerning the operating characteristics of the real system. The behavior of a system as it evolves over time is studied by developing a simulation model. This model usually takes the form of a set of assumptions concerning the operation of the system. These assumptions are expressed
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1) The main function of secondary storage is to store programs and data when they are not being used. 2) secondary storage is used to store data that is not being used 3) The most widely used form of secondary storage is magnetic disks because they are nonvolatile. 4) They are portable‚ inexpensive‚ lightweight‚ nonvolatile‚ and easily accesible. 5) It must be formatted‚ formatting defines the disk surface and erases any pre-existing data. It also scans the disk for any defects. 6) 1‚ the recording
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situation. Information theory measures the quantities of all kinds of information in terms of bits (binary digit).the amount of information according to Shannon is equal to entropy. 8 http://communicationtheory.org/shannon-and-weaver-model-of-communication/ Says what? In which channel? To whom? With what effect? Who? 10 Redundancy- is the opposite of information. Something that is redundant adds little‚ if any‚ information to a message. Redundancy is important because it helps combat noise
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The medical record serves several important purposes. It is the basis for the physician’s patient care planning and for continuity in evaluating the patient’s condition and treatment. In medical‚ record the evidence of the patient’s information about medical evaluation‚ treatment‚ and any change in condition and demographics about the patient. Medical records are used to communication between the physician and any other health professionals as needed‚ and whosoever the physician is working with
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In all information systems‚ data resources must be organized and structured in some logical manner‚ so that they can be: D. All of the choices are correct. From a logical point of view‚ a(n) _______________ is the smallest data element that can be observed and manipulated. A. character A record represents a collection of _______________ that describe an entity. D. attributes All the fields used to describe the attributes of an entity are grouped to form a(n) _______________
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Information system is a set of processes and resources working together to gather‚ transform‚ process and store information useful for decision making and control in the organization. A set of interrelated components that collect‚ manipulate‚ store and disseminate data and information and provide a feedback mechanism to meet an objective. Data consists of raw facts‚ such as an employee number‚ total hours worked in a week‚ inventory part numbers or sales orders. As shown in Table 1.1‚ several
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1. Information security is specific to securing information‚ whereas information systems security is focused on the security if the systems that house the information. A. True 2. Software manufactures limit their liability when selling software using which of the following? A. End User licensing agreements. 3. The ________ tenet of the information systems security is concerned with the recovery time objective. C. Availability 4. Encrypting data on
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Riordan Information Systems Corporations are at their heart a means of creating wealth for their owners or shareholders. Success creates wealth; this creates competition as others seek to capitalize on the market. The emergence of new companies into the market begins a cycle of competition. Evaluation of staffing forces companies to find new and more efficient ways of producing their products while lowering cost to increase profit. This is because the cost of personnel is the largest line item
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conducting business . Information system are the foundation of fast paced supply-chain. The internet allows many business to sell ‚ advertise ‚ and solicit customer feedback online. Organizations are trying to become more competitive and efficient by digitally enabling their core business processes and evolving into digital firms. The internet has stimulated globalization by dramatically reducing the cost of producing ‚ buying ‚ and selling goods on a global scale. New information system trends include
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