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<h1 class="kratos-entry-title text-center">软件质量模型的六大特性</h1>
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<span>
<i class="fa fa-calendar"></i> 2018-09-13
<i class="fa fa-folder"></i> 分类 <a class="label-link" href="/categories/%E7%BC%96%E7%A8%8B%E5%9F%BA%E7%A1%80/">编程基础</a>, <a class="label-link" href="/categories/%E7%BC%96%E7%A8%8B%E5%9F%BA%E7%A1%80/%E8%BD%AF%E4%BB%B6%E5%B7%A5%E7%A8%8B/">软件工程</a>
<i class="fa fa-user"></i> 作者 云海鹰影
<i class="fa fa-edit"></i>
914
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<h2 id="一、功能性:"><a href="#一、功能性:" class="headerlink" title="一、功能性:"></a>一、功能性:</h2><p><strong>1、适合性:</strong> 软件是否提供了相应的功能<br><strong>2、准确性:</strong> 软件提供的功能是否正确(用户需要的)<br><strong>3、互操作性:</strong> 产品与产品之间交互数据的能力, 例如word对其他文档的支持能力<br><strong>4、保密安全性:</strong> 允许经过授权的用户和系统能够正常的访问相应的数据和信息,禁止未授权的用户访问<br><strong>5、功能依从性:</strong> 国际/国家/行业/企业 标准规范一致性 </p>
<hr>
<h2 id="二、可靠性:"><a href="#二、可靠性:" class="headerlink" title="二、可靠性:"></a>二、可靠性:</h2><ul>
<li>产品在规定的条件下,在规定的时间内完成规定功能的能力 </li>
</ul>
<p><strong>1、成熟性:</strong> 软件产品为避免软件内部的错误扩散而导至系统失效的能力(主要是对内错误的隔离),exception等的处理<br><strong>2、容错性:</strong> 软件防止外部接口错误扩散而导致系统失效的能力(主要是对外错误的隔离)<br><strong>3、易恢复性:</strong> 系统失效后,重新恢复原有的功能和性能的能力。 </p>
<hr>
<h2 id="三、易用性:"><a href="#三、易用性:" class="headerlink" title="三、易用性:"></a>三、易用性:</h2><ul>
<li>在指定使用条件下,产品被理解、 学习、使用和吸引用户的能力 </li>
</ul>
<p><strong>1、易理解性:</strong> 软件交互给用户的信息时,要清晰,准确,且要易懂,使用户能够快速理解软件。<br><strong>2、易学性:</strong> 软件使用户能学习其应用的能力。<br><strong>3、易操作性:</strong> 软件产品使用户能易于操作和控制它的能力。<br><strong>4、吸引性:</strong></p>
<hr>
<h2 id="四、效率性:"><a href="#四、效率性:" class="headerlink" title="四、效率性:"></a>四、效率性:</h2><ul>
<li>在规定台条件下,相对于所用资源的数量,软件产品可提供适当性能的能力 </li>
</ul>
<p><strong>1、时间特性:</strong> 平均事务响应时间,吞吐率,TPS(每秒事务数). 软件处理特定的业务请求所需要的响应时间。<br><strong>2、资源利用性:</strong> CPU,内存,磁盘IO,网络带宽,队列,共享内存. 软件处理特定的业务请求所消耗的系统资源。 </p>
<hr>
<h2 id="五、可维护性:"><a href="#五、可维护性:" class="headerlink" title="五、可维护性:"></a>五、可维护性:</h2><ul>
<li>“四规”, 在规定条件下,规定的时间内,使用规定的工具或方法修复规定功能的能力 </li>
</ul>
<p><strong>1、易分析性:</strong> 分析定位问题的难易程度<br><strong>2、易改变性:</strong> 软件产品使指定的修改可以被实现的能力<br><strong>3、稳定性:</strong> 防止意外修改导致程序失效的能力<br><strong>4、易测试性:</strong> 软件功能验证的难易程度 </p>
<hr>
<h2 id="六、可移植性:"><a href="#六、可移植性:" class="headerlink" title="六、可移植性:"></a>六、可移植性:</h2><ul>
<li>从一种环境迁移到另一种环境的能力 </li>
</ul>
<p><strong>1、适应性:</strong> 适应不同平台<br><strong>2、易安装性:</strong> 被安装的能力<br><strong>3、共存性:</strong> 软件产品在公共环境中与其它软件分享公共资源共存的软件。<br><strong>4、易替换性:</strong> 软件产品在同样的环境下,替代另一个相同用途的软件产品的能力。 </p>
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