MORE 2 KNOW II Flashcards

1
Q

WHAT types of projects hold the most risk in terms of Information Technology?

A

New and unfamiliar technology holds more risks than known and stable technology

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2
Q

WHAT is the essence of data fields or combinations of fields that make them a key?

A

The essence of a key is that it contains enough information to uniquely identify each record

i.e., there can be no two records with the same key

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3
Q

WHAT is a likely procedure for an entity’s disaster recovery plan?

A

The storing of duplicate copies of files in a location away from the computer center

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4
Q

WHAT is a relational structure?

A

A database that organizes data in conceptual tables

i.e. This database has a relational structure because it includes no links that are not contained in the data records themselves

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5
Q

WHAT type of conversion is pilot conversion?

A

A modular conversion approach that entails switching to the new or improved system in organizational (division, region, product line, etc.) segments or system segments

i.e. switchover is accomplished at one segment or division of the company

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6
Q

WHAT are bytes?

A

A grouping of bits that can define one unit of data, such as a letter or an integer

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7
Q

WHAT is prototyping?

A

A systems development approach that produces the first model(s) of a new system

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8
Q

WHAT is an advantage of life cycle methodologies?

A

IT enhances management and control of the development process

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9
Q

WHAT is a primary reason organizations develop contingency plans for their computer-based information systems operations?

A

TO ensure that they will be able to process vital transactions in the event of a disaster

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10
Q

WHAT is the hierarchy of storage commonly found in computerized databases?

A

Byte, field, record, file

i.e. A byte is a group of bits (binary 1s and 0s). A field is a group of bytes. A record is a group of fields. A file is a group of records

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11
Q

WHAT would be a final step conducted prior to placing a system into live operation?

A

User Acceptance Testing

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12
Q

WHAT would be considered a “less risky” strategy in converting from a manual to computerized system?

A

Parallel Conversion

i.e. the old and new systems are operated simultaneously until satisfaction is obtained that the new system is operating as expected

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13
Q

WHAT are the Five stages of the Systems Development Life Cycle (SDLC)?

A

THEY are: Definition, Design, Development, Implementation, and Maintenance

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14
Q

WHAT is “Change Control” with regards to Information Technology?

A

CHANGE Control manages changes in information system resources and procedures

NOTE: This includes formal change request procedure; assessments of change requests on technical and business grounds

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15
Q

WHAT is a type of technology designed to

exchange financial information over the internet?

A

Extensible business reporting language (XBRL)

i.e. THIS specification was developed for commercial and industrial entities

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16
Q

WHAT is a major function of a data dictionary?

A

TO describe and share information about objects and resources used by the information system (IS)

17
Q

WHAT are characteristics of a “Direct Cutover Conversion” system?

A
  • Risky
  • Timesaving
  • Inexpensive
    i. e. Direct cutover is the least expensive and time-consuming strategy, but it is also the riskiest
18
Q

WHAT is a database?

A

A Collection of related files

NOTE: The database approach also allows for better access by users and for more rapid updating of information

19
Q

WHAT is a “File?”

A

A collection of data for all vendors in a relational data base

i.e. IT is a group of records

20
Q

WHAT is “Prototyping?”

A

A systems development approach used to quickly produce a model of user interfaces, user interactions with the system, and process logic

i.e. IT produces the first model(s) of a new system