During Systems Implementation and Operation

question 96

Multiple Choice

During systems implementation and operation:

• A) a conceptual data model (E-R with attributes) is prepared.
• B) a logical model (relational) is prepared.
• C) physical files and database designs are prepared.
• D) an enterprise-wide data model is prepared.
• E) database and file definitions are prepared.

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Definitions:

Selective Attention

is the cognitive process of focusing on a particular object or task while ignoring irrelevant information or stimuli.

Alertness Changes

Variations in the state of being awake and responsive to stimuli.

Cerebellum

A major structure of the hindbrain that is involved in motor control, coordination, precision, and timing of movements.

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, inhibition of nearly all voluntary muscles, and reduced interactions with surroundings.