電子書的可攜性和便利性。讓電子書成為方便於閱讀雜誌和小說。但是閱讀雜誌和小說只需要線性閱讀，只能算是一個單工的工作。但學習是一個多工的工作。學習包含的任務有理解教科書的內容及概念、建立自己的結構。學習者需要讀很多不同的教材並且將這些知識給組織起來。而這些行為必須在教課書的不同頁面閱讀或者參考不同的相關教材。而且還須要將這些知識記錄在筆記裡面。目前的電子書，往往只能顯示一個頁面，如果要參考其他頁面其教材，都需要轉換頁面，造成使用者的認知負荷。在本篇論文中，我們將要評量雙顯示器是否能夠提高學習的表現，例如：參考和比較不同頁面和教材的內容。我們還提供了視窗管理的功能，除了可以避免閱讀的教科書被覆蓋，還在各視窗間加入分頁名稱。減少迷失和認知負荷的影響，以避免在閱讀的過程中，失去了閱讀的方向。E-book is portable and convenient. It is a useful tool for reading magazine and novel. Reading is a single task, but learning is a multi-tasking. The multi-tasking clouds reading, comprehending concept, building your own structure. Learners need to read many materials to organize the knowledge. These activities accord to refer different pages in the textbook, different materials and taking notes. The current e-book just has one page to show the information. In this paper, we want to examine dual display would improve the learning’s performance like referring, comparing and integrate the information from all materials. In addition we provide the window management to help the learner to handle the materials in e-book. Reducing the effect of disorientation and Cognitive load to avoid leaner got lost during reading.
