MORE 2 KNOW II Flashcards
WHAT types of projects hold the most risk in terms of Information Technology?
New and unfamiliar technology holds more risks than known and stable technology
WHAT is the essence of data fields or combinations of fields that make them a key?
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
WHAT is a likely procedure for an entity’s disaster recovery plan?
The storing of duplicate copies of files in a location away from the computer center
WHAT is a relational structure?
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
WHAT type of conversion is pilot conversion?
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
WHAT are bytes?
A grouping of bits that can define one unit of data, such as a letter or an integer
WHAT is prototyping?
A systems development approach that produces the first model(s) of a new system
WHAT is an advantage of life cycle methodologies?
IT enhances management and control of the development process
WHAT is a primary reason organizations develop contingency plans for their computer-based information systems operations?
TO ensure that they will be able to process vital transactions in the event of a disaster
WHAT is the hierarchy of storage commonly found in computerized databases?
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
WHAT would be a final step conducted prior to placing a system into live operation?
User Acceptance Testing
WHAT would be considered a “less risky” strategy in converting from a manual to computerized system?
Parallel Conversion
i.e. the old and new systems are operated simultaneously until satisfaction is obtained that the new system is operating as expected
WHAT are the Five stages of the Systems Development Life Cycle (SDLC)?
THEY are: Definition, Design, Development, Implementation, and Maintenance
WHAT is “Change Control” with regards to Information Technology?
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
WHAT is a type of technology designed to
exchange financial information over the internet?
Extensible business reporting language (XBRL)
i.e. THIS specification was developed for commercial and industrial entities