Tom Is Trying to Change His Use Case into a Data

question 7

Multiple Choice

Tom is trying to change his Use Case into a Data Flow Diagram.He has found that a use case step generally is the same as a ________ on the Level 1 Data flow diagram.

• A)Process
• B)External Entity
• C)Data flow
• D)Internal Entity
• E)Data store

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Definitions:

Arbitragers

Individuals or entities that attempt to profit from differences in prices across markets by simultaneously buying and selling similar or identical assets.

Pakistani Rupees

The official currency of Pakistan, used as a medium of financial transaction within the country.

Real Exchange Rate

The rate at which the currency of one country can be exchanged for the currency of another country, adjusted for inflation.

Nominal Exchange Rate

The price at which one currency can be exchanged for another currency, without adjustment for inflation.