18.A value chain typically consists of five primary and support activities that can provide value to customers. The activities that convert raw materials into finished goods stocks represent

A) sales.

B) outbound logistics.

C) infrastructure.

D) operations.

22.Tom has been asked to document the existing sales system to gain an understanding of the activities carried out by the Sales Department. The documentation tool that he should employ for this purpose is

A) data flow diagram.

B) document flowchart.

C) system flowchart.

D) program flowchart.

23.Which documentation technique would not show that your data is stored on your computer hard drive.

A) system flowchart

B) data flow diagram

C) business process diagram

D) internal control flowchart

24.In a purchasing processing Data Flow Diagram (DFD), the "key in purchase order" activity will be represented by ________, the "purchase order file" will be represented by ________, and the "Supplier" will be represented by ________.

A) a circle; two horizontal lines; two horizontal lines.

B) a circle; two horizontal lines; a square.

C) a rectangle; a square; a circle.

D) a square; two horizontal lines; a circle.