Modern Trends in Computer Hardware - 2782 Words

LATEST TRENDS IN COMPUTER HARDWARE LATEST TRENDS IN COMPUTER HARDWARE INTRODUCTION 1. The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. 2. Computing hardware evolved from machines that needed separate manual action to perform each arithmetic operation, to punched card machines, and then to stored program computers. The history of stored program computers relates first to computer architecture, that is, the organization of the units to perform input and output, to store data and to operate as an integrated mechanism. Secondly, this is a history of the electronic components and mechanical devices that comprise these units. Finally, we†¦show more content†¦BUS TOPOLOGY 8. In a network, the master scheduler controls the data traffic. If data is to be transferred, the requesting computer sends a message to the scheduler, which puts the request into a queue. The message contains an identification code which is broadcast to all nodes of the network. The scheduler works out priorities and notifies the receiver as soon as the bus is available. 9. The identified node takes the message and performs the data transfer between the two computers. Having completed the data transfer the bus becomes free for the next request in the schedulers queue. a. Advantage: Any computer can be accessed directly and messages can be sent in a relatively simple and fast way. b. Disadvantage: A scheduler is required to organize the traffic by assigning frequencies and priorities to each signal. THIRD GENERATION BUS 10. Third generation buses have been emerging into the market since about 2001, including Hyper Transport and InfiniBand. They also tend to be very flexible in terms of their physical connections, allowing them to be used both as internal buses, as well as connecting different machines together. This can lead to complex problems when trying to service different requests, so much of the work on these systems concerns software design, as opposed to the hardware itself. In general, these third generation buses tend to look more like aShow MoreRelatedContribution Of Information Technology837 Words   |  4 Pageswitnessed in known human history.† The world of computers, telecommunication, televisions, the internet and all other audio and visual media is facing rapid and radical changes presently. This has generated infinite and unimaginable new opportunities in education, communication and more particularly the service sector. ‘Information Technology’ comprises computers, telecommunications, television, audio-visual media, development of software etc. Computer is the major segment of Information TechnologyRead MoreComputer Operating Systems And The Computer System828 Words   |  4 PagesThe computer operating system is one of the biggest changes we are seeing in today’s world. 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