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문제 다음의 서술적 언어로 표현된 요구사항을 DFD 로 완성하시오 . DFD Step 1

문제 다음의 서술적 언어로 표현된 요구사항을 DFD 로 완성하시오 . DFD Step 1. FIRST SENTENCE : SSU Records 는 회원들에게 할인된 가격으로 우편으로 CD 와 테이프를 공급하는 회사이다 . RESULT : initial title SSU Records. DFD - Step 2. SECOND SENTENCE :

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문제 다음의 서술적 언어로 표현된 요구사항을 DFD 로 완성하시오 . DFD Step 1

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  1. 문제다음의 서술적 언어로 표현된 요구사항을 DFD로 완성하시오.DFD Step 1 FIRST SENTENCE: SSU Records 는 회원들에게 할인된 가격으로 우편으로 CD와 테이프를 공급하는 회사이다. RESULT: initial title SSU Records

  2. DFD - Step 2 SECOND SENTENCE: 주문처리 점원(Clerk)은 회원(Records Club) 혹은 비회원(customer)으로 부터 주문서(Order form)를 받으면 Member Master(DB)에 있는 회원자료에서 회원인지 아닌지를 확인(Verify)한다. RESULT: SSU Records Order Processing

  3. DFD - Step 2 continued SECOND SENTENCE: 주문처리 점원(Clerk)은 회원(Records Club) 혹은 비회원(customer)으로 부터 주문서(Order form)를 받으면 Member Master(DB)에 있는 회원자료에서 회원인지 아닌지를 확인(Verify)한다. RULES FOLLOWED: • left to right, top to bottom • data flows start or end in a process

  4. DFD Example - Step 3 THIRD SENTENCE: • 1. 만약 주문자가 비member이면, 점원은 membership application form을 제공한다. RESULT: SSU Records Order Processing

  5. DFD Example - Step 3 THIRD SENTENCE: • 1. 만약 주문자가 비member이면, 점원은 membership application form을 제공한다. RESULT: SSU Records Order Processing

  6. DFD - Step 4 FOURTH SENTENCE: • 2. 만역 주문자가 member이면, 점원은 the Item file(자료저장고: Item Master).로부터 item data를 받아 확인한다.(verifies the order item data ) RESULT: SSU Records Order Processing

  7. DFD - Step 4 FOURTH SENTENCE: • 2. 만역 주문자가 member이면, 점원은 the Item file(자료저장고: Item Master).로부터 item data를 받아 확인한다.(verifies the order item data ) RESULT: SSU Records Order Processing

  8. DFD - Step 5 continued Fifth SENTENCE: 3. 점원은 주문 자료를 입력하고(enters the order data)일일 주문들을 저장한다. (saves it to the Daily Orders file)(자료저장고: Daily Orders Detail)

  9. DFD - Step 5 continued Fifth SENTENCE: 3. 점원은 주문 자료를 입력하고(enters the order data)일일 주문들을 저장한다. (saves it to the Daily Orders file)(자료저장고: Daily Orders Detail)

  10. DFD Example - Step 6 SIXTH SENTENCE: The clerk also prints an invoice and shipping list for each order, which are forwarded to Order Fulfillment(or customer). RESULT:

  11. DFD - Step 6 continued RESULT: SSU Records Order Processing

  12. DFD Example - Step 6 continued SIXTH SENTENCE: The clerk also prints an invoice and shipping list for each order, which are forwarded to Order Fulfillment(orcustomer). RULES FOLLOWED: • left to right, top to bottom • data flows start or end in a process • shows all processes without conditions • beware of black holes - every process and data store must produce data

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