- analog model
- deterministic model
- iconic model
- decision theory model
- None of the above
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When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):?
Answer: Option 3 A referential integrity constraint is defined as part of an association between two entity types. The definition for a referential integrity constraint specifies the following information: The...
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When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.?
Answer: Option 1 Let'
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An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.?
Answer: Option 2 Let'
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The model curriculum for information-system education suggested by the _____ has a more theoretical and conceptual basis, whereas the model by the _____ is more practical and applied in nature.?
Answer: Option 3 Let'
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The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?
Answer: Option 3 The four layers of the DoD model are Application/Process, Host-to-Host, Internet, and Network Access. The Internet layer is equivalent to the Network layer of the OSI model.
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During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.?
Answer: Option 1 Let'
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Each property may also have a cascaded value of ___________ which means that, for a given element, the property takes the same specified value as the property for the element’s parent.?
Answer: Option 3 Each property may also have a cascaded value of ‘inherit’, which means that, for a given element, the property takes the same specified value as the property...
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Two important rivers - one with its source in Jharkhand (and known by a different name in Odisha), and another, with its source in Odisha - merge at a place only a short distance from the coast of Bay of Bengal before flowing into the sea. This is an important site of wildlife and biodiversity and a protected area. Which one of the following could be this?
Answer: Option 1 Bhitarkanika is a unique habitat of Mangrove Forests criss-crossed with numerous creeks and mud flats located in Kendrapara district of Orissa. One of the largest Mangrove Eco...
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As compared to cumulative average-time learning model, learning model which predicts more cumulative total time to produce more units is known as?
Answer: Option 1 As compared to cumulative average-time learning model, learning model which predicts more cumulative total time to produce more units is known as incremental unit time learning model.
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Statement : Residents from Model Colony coming under North Ward of City X have complained to the Ward Officer that for last three days the tap water in the ward is contaminated and no action is being initiated by municipal staff. Courses of Action : I. The Ward Officer of North Ward should initiate action against residents who have lodged complaints against municipal staff. II. The Ward Officer should ask his junior officer to visit Model Colony to assess the actual condition of water with his staff and to get samples of water tested from laboratories. III. The Ward Officer should ask Ward Engineer to check water installations and pipelines in the Model Colony area.?
Answer: Option 2 The residents complained to the Ward Officer regarding the negligence of duty of his subordinates. So, I does not follow. Also, it is the moral duty of...
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