Description : What kind of mechanism is to be taken into account for converting a weak entity set into strong entity set in entity-relationship diagram ? (A) Generalization (B) Aggregation (C) Specialization (D) Adding suitable attributes
Last Answer : (D) Adding suitable attributes
Description : Specialization Lattice stands for (A) An entity type can participate as a subclass in only one specialization. (B) An entity type can participate as a subclass in more than one specialization. ... can participate in one specialization. (D) An entity type that can participate in one generalization.
Last Answer : (B) An entity type can participate as a subclass in more than one specialization.
Description : Differentiate generalization and specialization.
Last Answer : The extension of the hypotheses must be increased to include it. This is called generalization. The extension of the hypotheses must be decreased to exclude the example. This is called specialization.
Description : Relational database schema normalization is NOT for: (A) reducing the number of joins required to satisfy a query. (B) eliminating uncontrolled redundancy of data stored in the database. (C) ... could otherwise occur with inserts and deletes. (D) ensuring that functional dependencies are enforced.
Last Answer : reducing the number of joins required to satisfy a query.
Description : ………………. First proposed the process of normalization. A) Edgar. W B) Edgar F. Codd C) Edward Stephen D) Edward Codd
Last Answer : B) Edgar F. Codd
Description : Spurious tuples may occur due to i. Bad normalization ii. Theta joins iii. Updating tables from join a) i& ii b) ii & iii c) i& iii d) ii & iii
Last Answer : a) i& ii b) ii & iii
Description : A logical schema A) is the entire database B) is a standard way of organizing information into accessible parts. C) Describes how data is actually stored on disk. D) All of the above
Last Answer : B) is a standard way of organizing information into accessible parts.
Description : If an attribute of a composite key is dependent on an attribute of the other composite key, a normalization called ................ is needed. A) DKNF B) BCNF C) Fourth D) Third
Last Answer : B) BCNF
Description : A .................. normal form normalization will be needed where all attributes in a relation tuple are not functionally dependent only on the key attribute. A) First B) Second C) Third D) Fourth
Last Answer : C) Third
Description : A function template in C++ provides ............ level of generalization. (A) 4 (B) 3 (C) 2 (D) 1
Last Answer : Answer: C
Description : ……………… is a tabular method for describing the logic of the decisions to be taken. A) Decision tables B) Decision tree C) Decision Method D) Decision Data
Last Answer : A) Decision tables
Description : The relational model is based on the concept that data is organized and stored in two-dimensional tables called ………………………A) Fields B) Records C) Relations D) Keys
Last Answer : C) Relations
Description : The different types of tables maintained by the operating system are ............. A) memory, logical , I/O file B) memory, I/O, file, physical C) memory, I/O, file, process D) memory, logical, I/O, physical
Last Answer : C) memory, I/O, file, process
Description : Which of the following neural networks uses supervised learning? (A) Multilayer perceptron (B) Self organizing feature map (C) Hopfield network (1) (A) only (2) (B) only (3) (A) and (B) only (4) (A) and (C) only
Last Answer : (1) (A) only
Description : The main task carried out in the …………… is to remove repeating attributes to separate tables. A) First Normal Form B) Second Normal Form C) Third Normal Form D) Fourth Normal Form
Last Answer : D) Fourth Normal Form
Description : Which is the main function of transport layer? A) Node to node delivery B) End to end delivery C) Synchronization d) Updating and maintaining routing tables
Last Answer : B) End to end delivery
Description : ey to represent relationship between tables is called (A) Primary key (B) Secondary Key (C) Foreign Key (D) None of these
Last Answer : (C) Foreign Key
Description : In a relational model, relations are termed as (A) Tuples. (B) Attributes (C) Tables. (D) Rows.
Last Answer : (C) Tables
Description : In the relational modes, cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints
Last Answer : (A) Number of tuples
Description : Consider the following ER diagram: The minimum number of tables required to represent M, N, P, R1, R2 is (A) 2 (B) 3 (C) 4 (D) 5
Last Answer : (A) 2
Description : Let E1 and E2 be two entities in E-R diagram with simple single valued attributes. R1 and R2 are two relationships between E1 and E2 where R1 is one-many and R2 is many-many. R1 and R2 do not have any ... are required to represent this situation in the Relational Model? (A) 4 (B) 3 (C) 2 (D) 1
Last Answer : (B) 3
Description : Distance vector routing algorithm is a dynamic routing algorithm. The routing tables in distance vector routing algorithm are updated ........... (1) automatically (2) by server (3) by exchanging information with neighbour nodes. (4) with back up database
Last Answer : Answer: 3
Description : Let M and N be two entities in an E-R diagram with simple single vale attributes. R1 and R2 are two relationship between M and N, whereas R1 is one-to-many and R2 is many-to-many. The minimum number of tables required to ... and R2 in the relational model are .......... (1) 4 (2) 6 (3) 7 (4) 3
Last Answer : Answer: 4
Description : The Unix Kernel maintains two key data structures related to processes, the process table and the user structure. Which of following information is not the part of user structure? (A) File descriptor table (B) System call state (C) Scheduling parameters (D) Kernel stack
Last Answer : (C) Scheduling parameters
Description : How is extracellular digestion related to cellular and tissue specialization?
Last Answer : A variety of specialized cells and tissues appeared with extracellular digestion to provide enzymes and special structures for the breaking down of dietary macromolecules. This phenomenon ... for other tasks and differentiations while benefiting from nutrients distributed through the circulation.
Description : The process of collecting, organizing and collecting large sets of data called as A. WSN B. Cloud Computing C. Big Data D. None of above
Last Answer : C. Big Data
Description : Which of the following describes a relational database? 1) It provides a relationship between integers 2) It consists of separate tables or related data 3) It retrieves data related to its queries 4) It provides a relationship between floats
Last Answer : 2) It consists of separate tables or related data
Description : Which of the following terms related to aphasia refers to the inability to perform previously learned purposeful motor acts on a voluntary basis? a) Apraxia Verbal apraxia refers to difficulty in ... continued and automatic repetition of an activity or word or phrase that is no longer appropriate.
Last Answer : a) Apraxia Verbal apraxia refers to difficulty in forming and organizing intelligible words although the musculature is intact.
Description : A structure brings together a group of A) items of the same data type B) related data items and variables C) integers with user defined names D) floating points with user defined names
Last Answer : B) related data items and variables
Description : The BCG Matrix essentially supports: A. Product specialization B. A balanced portfolio of products. C. process specialization D. A concentration on question marks
Last Answer : A balanced portfolio of products.
Description : A logical schema A. is the entire database B. is a standard wayof organizing information into accessible parts C. describes how data is actually stored on disk D. All of theabove E. None of the above
Last Answer : is a standard wayof organizing information into accessible parts
Description : Is normalization of pedophilia inevitable?
Last Answer : The normalization of pedophilia theory is usually touted by far right wing lunatics who are already vehemently anti-gay. There is absolutely no way that acting on pedophiliac urges will ever ... so ridiculous that a lot of conservatives can't comprehend the difference between consent and coercion.
Description : Won't normalization of relations with Cuba risk the embarrassing prospect of planeloads of American "medical refugees" besieging the island for health care and pharmaceuticals?
Last Answer : Probably right with ones extorting the average American, getting laws passed to protect their interest. BUT don't worry they will undoubtedly spread some sort of propaganda saying it's for the little guys best ... , and you want to know the sad part is a LOT of your citizens will believe them.
Description : A patient who has had a previous stroke and is taking warfarin tells the nurse that he started taking garlic to help reduce his blood pressure. The nurse knows that garlic when taken ... headaches. Garlic and warfarin taken together can greatly increase the INR, increasing the risk of bleeding.
Last Answer : a) can greatly increase the international normalization ratio (INR) and therefore increase the risk of bleeding. Garlic and warfarin taken together can greatly increase the INR, increasing the risk of bleeding.
Description : Information per source is called a. A. sampling b. B. quantization c. C. entropy d. D. normalization
Last Answer : c. C. entropy
Description : If the P(E) = 1, it means event a. does not occur b. always occur c. no probability d. Normalization
Last Answer : b. always occur
Description : What is normalization?
Last Answer : It is a process of analysing the given relation schemas based on their Functional Dependencies (FDs) and primary key to achieve the properties ∙ Minimizing redundancy ∙ Minimizing insertion, deletion and update anomalies.
Description : List advantages of Normalization.
Last Answer : List of Advantages of Normalization are the following: 1. More efficient data structure. 2. Avoid redundant fields or columns. 3. More flexible data structure i.e. we should be able to ... 7. Minimizes data duplication. 8. Close modeling of real world entities, processes and their relationships.
Description : Define Normalization, list its types.
Last Answer : Normalization is a systematic approach of decomposing tables to eliminate data redundancy(repetition) and undesirable characteristics like Insertion, Update and Deletion Anomalies. It is a multi-step process that ... data from the relation tables. Types of Normalization are: 1NF,2NF,3NF,4NF,5NF
Description : Consider the following two statements : (a) Data scrubling is a process to upgrade the quality of data, before it is moved into Data warehouse. (b) Data scrubling is a process of rejecting data from data warehouse to create ... true (C) Both (a) and (b) are false (D) Both (a) and (b) are true
Last Answer : (A) (a) is true, (b) is false
Description : What is the process of defining tables called ? (1) Data definition (2) Data Normalisation (3) Index definition (4) Data administration
Last Answer : Index definition
Description : Subject orientation A . The science of collecting, organizing, and applying numerical facts B. Measure of the probability that a certain hypothesis is incorrect given certain observations. C. ... specially built around all the existing applications of the operational data D . None of these
Last Answer : C. One of the defining aspects of a data warehouse, which is specially built around all the existing applications of the operational data
Description : Gains from trade can be divided into two parts (a) gains from exports and gains from imports. (b) gains from specialization and gains from exchange. © gains from consumption and gains from production. (d) gains from profit and gains from loss.
Last Answer : (b) gains from specialization and gains from exchange.
Description : Which one of the following is not the characteristic of Weber‟s ideal bureaucracy? (a) Specialization of labor ; (b) Formalization of rules ; (c) Division of labour (d) Formalization of links authority into a hierarchical structure
Last Answer : (c) Division of labour
Description : An audit process is a well-defined methodology for organizing an audit to ensure that a. The evidence gathered is both sufficient and competent. b. All appropriate audit objectives are specified. c. All appropriate audit objectives are met. d. All of these
Last Answer : All of these
Description : Perception is a three-step process that involves 1. motivation, personality and attitudes 2. collecting, eliminating and organizing information inputs 3. selecting, organizing and interpreting information inputs 4. anticipating, classifying and discarding information inputs 5. none of these
Last Answer : selecting, organizing and interpreting information inputs
Description : Which of the following refers to a management tool for organizing personnel, facilities, equipment, and communication for any emergency situation? a) The Incident Command System The ... emergency preparedness required by the Joint Commission on Accreditation of Healthcare Organizations (JCAHO).
Last Answer : a) The Incident Command System The Incident Command System (ICS) is a management tool for organizing personnel, facilities, equipment and communication for any emergency situation. The federal government mandates ... are used at the level of an individual hospital's emergency response plan as well.
Description : __________ is the process of using the resources and personnel of an organization in an orderly way to achieve the objectives and long-term goals of the organization. (a) Planning ; (b) Organizing ; (c) Leading ; (c) Controlling
Last Answer : (b) Organizing ;
Description : Which of the following is not a basic function of the management process? (a) Controlling ; (b) Organizing ; (c) Working ; (d) Leading
Last Answer : (c) Working ;
Description : Is it true or false that a relational database typically consists of related two dimensional tables?
Last Answer : Need answer