The optical mouses will be thrown soon with the new development of APPLE's wireless mighty mouse. Last month APPLE introduced the new wireless mouse which operates through Bluetooth. APPLE advertises novel'ly as "the mouse without a tail". The wireless Mighty Mouse’s tracking engine is...
What is a mouse? The mouse is a pointing device which helps us to operate the computer. Unlike the complicated hardwares such as Mother board,RAM, Hardisk, Processor of the computer, the mouse is designed with a simple circuit to process. Now a days, we get varieties of mouse with different technologies...
The operating system is responsible for several other aspects of disk management, too. Disk Formatting A new magnetic disk is a blank slate: It is just platters of a magnetic recording material. Before a disk can store data, it must be divided into sectors that the disk controller can read and write...
C-SCAN Scheduling Disk arm moves unidirectionally across the disk surface toward the inner track. When there are no more requests for service ahead of the arm, it jumps back to service the request nearest the outer track and proceeds inward again. It eliminates the discrimination of earlier strategies...
SCAN Scheduling: To overcome the high variance in response time in the SSTF method, this method is devised. It operates similar to SSTF scheduling except that initially the request with shortest seek distance is preferred, that direction is the preferred direction. If the preferred direction is outward...
First Come First Served Scheduling In this algorithm, the request which arrived first is the first to be served. There is no reordering of the queue. Once the request has arrived, its place in the schedule is fixed. The place of the request cannot be displaced due to the arrival of higher priority request...
In multiprogrammed system, many processes try to read or write the records on disks at the same time. When the requests are made faster, they are serviced either by the moving-head disks, waiting lines or queues build up for each device. In some system, the requests are serviced by simple first-in-first...
LSI Corporation (NYSE: LSI) is a leading provider of innovative silicon, systems and software technologies that enable products which seamlessly bring people, information and digital content together. The company offers a broad portfolio of capabilities and services including custom and standard product...
What is a netbook? Netbook is a small portable laptop computer designed for wireless communication and access to the Internet. It is primarily designed for web browsing and to access to web-based matters and are targeted increasingly at cloud computing users who require a less powerful client computer...
Real-Time Scheduling Real-time computing is divided into two types. Hard real-time systems are required to complete a critical task within a guaranteed amount of time. Generally, a process is submitted along with a statement of the amount of time in which it needs to complete or perform I/O. The scheduler...
