This study aims to develop computer-assisted learning media for integer arithmetic operations fourth-grade students in elementary education. The research method used is the Luther-Sutopo version of development or better known as Research and Development (R&D). limited only 5 steps from stage 1 5, namely Concept, Design, Material Collecting, Assembly, Testing (Validation, Revision, Trial...

Laboratory work is an essential part of the learning experience in many areas of Computer Science, and this is particularly true in the area of operating systems. To support laboratory work in operating systems, we have created SunOS Minix, a version of the Minix operating system that runs as a process under Sun Unix (SunOS). To date, projects for two advanced classes on operating systems have ...

Operating System (OS) selection plays a vital role in determining the usability of a computer or microcomputer. This application note will discuss the differences between the different flavors of the Linux OS’s and the different mediums of installing the software. There will be comparisons of differences between the software, as well as which operating system will best suit the user’s needs.

This chapter provides, data and analysis of the dependability and fault tolerance for three operating systems: the Tandem/GUARDIAN fault-tolerant system, the VAX/VMS distributed system, and the IBM/MVS system. Based on measurements from these systems, basic software error characteristics are investigated. Fault tolerance in operating systems resulting from the use of process pairs and recovery ...

Laboratory work is an essential part of the learning experience in many areas of Computer Science, and this is particularly true in the area of operating systems. To support laboratory work in operating systems, we have created SunOS Minix, a version of the Minix operating system that runs as a process under Sun Unix (SunOS). To date, projects for two advanced classes on operating systems have ...

Until recently PET scanning has been available only at major universities or teaching hospitals possessing the necessary resources and expertise to operate a research PET facility. Most dedicated PET centers cost several millions of dollars, and include a cyclotron, a radiochemistry laboratory to synthesize PET radiopharmaceuticals, a multicrystal dedicated PET camera, advanced computer f...

Miniaturization and increasing portability of computers will require users in the future to access the network regardless of location. In such an environment, host migration transparency will be an essential feature of wide area networks. In order to achieve host migration transparency, we introduced the concept of virtual network and the propagating cache method [7]. As an example of a virtual...

A distributed operating system is one that looks to its user like an ordinary centralized operating system, but runs on multiple, independent nodes. A distributed operating system should: control resource allocation to allow their use in the most effective way; provide the user with a convenient virtual computer that serves as a high-level programming environment; hide the distribution of the r...

Operating system kernels are difficult to build, hard to change and a problem to adapt to new hardware. This is particularly true when an operating system tries to simulate a general-purpose multiprocessor on a cluster of workstations. The substrate architecture presented here uses lessons from language design to facilitate the evolution of existing operating systems. A reflective object-model ...

This paper examines a kernel implementation lightweight process mechanism built for the Mach operating system. The pros and cons of such a mechanism are discussed along with the problems encountered during its implementation. This research was sponsored by the Defense Avanced Research Projects Agency, Department of Defense, ARPA Order 4976, Amendment 20, monitored by the Airforce Avionics Labor...