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FA1 Infoman
| Question | Answer |
|---|---|
| Enforcing of standards is applied in file processing approach. True or false?(T/F) | False |
| Different system/programs have separate copies of the same data in database approach. True or false? | False |
| What is a component of a database environment that is the storehouse of the data? | Database |
| The biggest problem in data redundancy is changes in one file could cause inconsistencies. This problem compromises what? | Data Integrity |
| Expand the words in CASE | Computer-aided software engineering |
| In program data dependency, there is coordination and central control of data. True or false? | False |
| Which among the following is an example of an unstructured data | Document |
| Improved data sharing and improved data consistency is found in a database approach. True or false? | True |
| Maintenance in database approach causes more maintenance headaches. True or false? | False |
| Given the choices, which among the following is a disadvantage of file processing wherein it does not have centralized data control? | Limited Data Sharing |
| The external schema shows that different people have different views of the database. True or false? | True |
| E-R models are found in the internal schema of the database. True or false? | False |
| SDLC is a time consuming development cycle but comprehensive. True or false? | True |
| The database activity of the physical design in SDLC is defining the database to DBMS, physical data organization, and database processing programs. True or false? | True |
| The database activity of the logical design step in SDLC is the logical database design.(T/F) | True |
| Which among the following is the first step in SDLC? | Planning |
| What is the step in RAD where the logical database design is made? | Develop initial prototype |
| In a three tiered client server database architecture, what is the database that contains all organizational data or summaries of data on department servers | web tier(IDK NOT SURE COULD BE BROWSER) |
| Expand the words RAD. | Rapid Application Development |
| What is the kind of database technology that has started in the 1960s and has became a legacy system in the mid 1980s? | Flat Files |
| The associative entity could have meaning independent of the other entities. True or false? | True |
| An associative entity is like a relationship with an attribute, but it is also considered to be an entity in its own right. True or false? | True |
| What is an attribute or combination of attributes that uniquely identifies individual instances of an entity type? | Identifier |
| A ternary relationship should be converted to an associative entity. True or false? | True |
| In the attributes of the entity PatientHistory, Diagnosis is a simple attribute. | True |
| All relationships for the associative entity should be one to many. True or false? | False |
| All relationships for the associative entity should be many. True or false? | True |
| What is the relationship that links strong entities to weak entities? | Identifying relationship |
| In the entity Patient, Address is a simple attribute. | False |
| Entities of three different types related to each other is a ternary degree of relationship. True or false? | True |
| The biggest problems of file processing are inconsistencies and compromised data integrity.(T/F) | True |
| Is limited data sharing with no centralized control of data a disadvantage of file processing? | Yes |
| What are a graphical system that captures the nature and relationship of data? | Data Models |
| What do you call a planned execution of related tasks to accomplish a goal with a start and finish? [__________] | |
| They are the personnel that is responsible for designing databases and software. | System developers |
| It's a database technique where the database is defined during the creation of the original prototype, and the implementation and maintenance tasks are repeated with new prototype iterations. [___________] | |
| What is an organized collection of logically related data? | Database |
| What is an element of a database approach that is between entities? | Relationships |
| Projects are initiated and planned during the maintenance stage of SDLC. True or false? | False |
| Operational programs, documentation and training materials are the deliverables of the implementation step in SDLC. True or false? | True |
| Database activity in the maintenance step of SDLC involves database maintenance, performance analysis, and tuning and error tuning. True or false? | True |
| New requirements is always applied to the revised and enhanced prototype in RAD. True or false? | True |
| During the planning stage of SDLC, the database activity here is a thorough and integrated conceptual data modeling. True or false? | False |
| Projects are closed at the end of the maintenance. True or false? | False |
| What is the number of instances of one entity that can be associated with each instance of another entity? | Cardinality(Cardinality Constraint) |
| Multivalued attributes can be represented as relationships. True or false? | True |
| What is an entity that is a combination of relationship and entity? | Associative Entity |
| Relationship degrees specify how many of each entity type is allowed. True or false? | False |
| Entities of three different types related to each other is a binary degree of relationship. True or false? | False |
| In choosing an identifier for an entity, choose an entity that will not change in value and will not be null. True or false? | True |
| Entities of two different types related to each other is a binary degree of relationship. True or false? | True |
| This cardinality of relationship shows entities on both sides of the relationship can have many related entities on the other side. | many to many |
| What is an element of the database approach wherein it is composed of attributes and it’s a noun form describing a person, place, object or concept? | Entities |
| Which among the following is not an advantage of a database approach? | Lack of standards |
| A good business rule is declarative, precise, atomic, consistent, expressible, distinct, and business-oriented. True or false? | True |
| An SDLC approach to the database has a repeated implementation and maintenance of activities with a new prototype version. True or false? | False |
| One of the problems with data redundancy is the waste of space because of duplicate data. True or false? | True |
| A Text is an example of what kind of data? | Structured Data |
| What kind of database technology started in the 1980s and is under active development as of 2020? | Relational |
| The deliverable of the physical design in SDLC is the program/data structures, technology purchases, and organization redesigns. True or false? | True |
| The deliverable of the logical design of SDLC is the detailed design specification. True or false? | True |
| The purpose of maintenance in SDLC is to monitor, repair and enhance the system. True or false? | True |
| The typical number of users using the personal type of database is only one. | True |
| What is a type of attribute that may take on more than one value for a given entity instance? | Multivalued |
| A required attribute must contain no value for every entity. True or false? | False |
| A unary degree of the relationship is an entity related to another of the same entity type. True or false? | True |
| This cardinality of relationship shows an entity on one side of the relationship which can have many related entities, but an entity on the other side will have a maximum of one related entity. What cardinality is this? | one to many |
| In the attributes of the entity PatientHistory, HistoryId is considered to be a simple attribute. | True |
| What is the storehouse for metadata? | Repository |
| What is a data model that has high-level entities and relationships for the organization? | Enterprise data model |
| One problems of a database approach is compromised data integrity. True or false? | False |
| Data types, field sizes, allowable values, and data context are included in metadata. True or false? | True |
| Non-standard file formats exists in program data dependency. True or false? | True |
| Which schema in the database consists of the user views? | External Schema |
| Implementation and maintenance activities are done repetitively with new prototype versions. True or false? | True |
| Operational programs, documentation and training materials are the deliverables of the maintenance step in SDLC. True or false? | False |
| The purpose of the physical design step in SDLC is information requirements elicitation and structure. True or false? | False |
| The internal schema of the database involves the logical and physical structures of the database. True or false? | True |
| The ___________ is called the number of instances of one entity that can or must be associated with each instance of another entity. | cardinality constraint |
| In the entity Patient, Birthday is a composite attribute | True |
| This cardinality of relationships is an entity in the relationship will have exactly one related entity. | one to one |
| Minimum cardinality can have a fixed lower limit constraint. True or false? | True |
| In the attributes of the entity PatientHistory, DoctorId is a composite attribute. | False |
| A relationship instance is the link between entities. True or false? | True |
| The database approach is a central repository of shared data and data is managed by a controlling agent. True or false? | True |
| One of the costs in database approach is hiring new and specialized personnel to manage the DBMS. True or false? | True |
| In program data dependency, each application program needs to include code for the metadata of each file. True or false? | True? |
| What is a disadvantage of file processing wherein different systems/ programs have separate copies of the same data? | Duplication of data |
| A metadata is a descriptions of the properties or characteristics of the data. True or false? | True |
| What is an element of a database approach that is a noun form describing a person, place, object, event, or concept? | Entity |
| SDLC stands for what? | System Development Life Cycle |
| A functional system specification is the deliverable of the analysis step of SDCL. True or false? | True |
| Develop the technology and organizational specifications is the purpose of the Physical Design in SDLC. True or false? | True |
| The purpose of the physical design step in SDLC is develop technology and organizational specifications. | True |
| A strong entity does not have an identifier. True or false? | False |
| In the attributes of the entity PatientHistory, DoctorId is a simple attribute.(T/F) | True |