Flexible eLearning strongly relies on student access to personal computers both on campus and from outside. Today the predominant mode of eLearning is "online"Web browsing using a personal computer. It is already predicted that in the near future the number of mobile communication devices (such as mobile phones and handheld computers) will exceed the number of personal computers. Mobility and c...

This paper describes a system that provides easy-to-use operations for starting a videoconference. This is based on a concept, that is, enabling a user to easily manipulate the endpoints of a certain sort of network connection. This paper points out that transferring the addresses of surrounding computers through an established voice session is useful to realize interaction in ubiquitous comput...

Lecture slides are commonly used in university to support teaching and learning. An effective way to organize and access slides will enhance the education quality. This paper presents a software system that allows instructors to index slides for student search and enquiry. The web-based system can be accessed with multiple channels of wireless handheld devices and wired desktop and laptop compu...

Nowadays multitouch techniques are commonly used in various applications. Many digital devices, from large desktop computers to handheld mobile internet devices, are now equipped with touchscreens or touchpads supporting multitouch operations. However, the use of multitouch input in real-world applications have so far been mainly for enhancing navigation and browsing functionalities, for exampl...

The purpose of this paper is to introduce a research proposal designed to explore the network security issues concerning mobile devices protection. Many threats exist and they harm not only computers but handheld devices as well. The mobility of phones and their excessive use make them more vulnerable. The findings suggest a list of protections that can provide high level of security for new mo...

The current trend is towards having Java applications run on handheld mobile devices. Sun Microsystems, Inc. has addressed this trend by specifying an edition, namely Java 2 Micro Edition (J2ME), of the Java environment for handheld devices. J2ME divides into two configurations: Connection Limited Device Configuration (CLCD) and Connected Device Configuration (CDC). This paper focuses on the la...

Classroom experiments are becoming increasingly popular as active-learning exercises for courses in economics. There are many situations where technology is needed to facilitate the effective use of classroom experiments. This article examines how computers and wireless handheld devices are being used to enhance the flexibility of classroom experiments and expand their usability to larger class...