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題 名 | 學校單位發展校務行政系統使用第四代語言與第三代語言之比較可行性分析研究 |
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作 者 | 薛宗仁; | 書刊名 | 實踐學報 |
卷 期 | 25 1994.06[民83.06] |
頁 次 | 頁119-137 |
分類號 | 527、527 |
關鍵詞 | 系統; 校務行政; 第三代; 第四代; 語言; 學校; |
語 文 | 中文(Chinese) |
中文摘要 | 評估電腦語言之使用,必須下列幾項特徵: a. 可讀性與整體設計特性 b. 應用程式導向特性 c. 標準化與可攜性特性 d. 軟體開發特性 e. 有效性 這些特性應隨在不同環境下如何使用電腦語言,其重要性而有所不同。 第三代語言(例如COBOL語言)已經持續使用於勞力密集之處理,假如我們去了解校務行 政系統完整之潛在能力,我們必可發現一個降低成本去開發程式的方法。 第四代語言是一個較具彈性開發工具,其能讓使用者與程式人員在開發校務行政系統 上,比使用第三代語言開發,更符合這些人員之需要。 學校當局之考量亦必須考慮在內,幕僚人員之需要應被決定於幕僚人員訓練成本與取得 新工具之成本間之平衡,第四代語言扮演一個重要角色於決定原始時間與成本之取得,第四 代語言應亦具多變性與彈性化,去符合學校單位變化多端之需求;因此,我認為學校當局必 須考慮所有目標及作出最佳決策,即是採用「第四代語言」。 |
英文摘要 | To evaluate a computer language, we should consider the following characteristics: a. Readablity and overall writing features b. Application-oriented features c. Standardization and portability features d. Software development features e. Efficiency features These features should be viewed with varying degrees of importance depending on how and in what environment the language will be used. The Third-Generation Languages(for example,COBOL) has been and continues to be a labor-intensive process. If we are to realize the full potential of Administration Information System(A.I.S), we must find ways to reduce the costs of producing program. The Fourth-Generation Languages (4GL) is a flexible development tool that enables users and programmers to develop A.I.S. by describing to the computer what they want rather than by writing the Third-Generation languages' program. School administrations aspects must also be considered. Staff requirements should be determined, and the cost of training the staff should be weighed against the cost of acquiring new talent. The Fourth-Generation Languages can play a big role in determining the amount of time and cost required for orientation. The Fourth-Generation Languages should also to be versatile and flexible enough to meet the changing needs of school organizations. So, I think the school administrators must consider all the objectives and try to make an optimal decision, that is 「The Fourth-Generation Languages」. |
本系統中英文摘要資訊取自各篇刊載內容。