In a Data Flow Diagram (DFD),a Black Hole Is a Process

question 64

Multiple Choice

In a data flow diagram (DFD) ,a black hole is a process that has _____.

• A) no input
• B) at least one output and one input,but the output obviously is insufficient to generate the input shown
• C) no output
• D) at least one input and one output,but the input obviously is insufficient to generate the output shown

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Definitions:

Cash and Carry Wholesaler

A type of wholesaler that operates by selling goods for cash and where the buyer carries away the goods immediately.

Merchant Wholesaler

An intermediary entity that buys goods in bulk from manufacturers to resell them to retailers or other buyers, typically without modifying the goods.

Utilities Offered

Basic services provided to consumers and businesses, such as water, electricity, gas, and telecommunications.

Retailers

Retailers are businesses that sell goods or services directly to consumers, acting as the final link in the supply chain from manufacturers to consumers.