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What is an I/O buffer?
I/O buffer:
One type of input-output requirement arises from devices which have a very high character density as disks and tapes. With these characteristics, this is impossible to regulate communication along with devices upon a character-by-character basis. The information transfer, thus, is regulated into blocks of information. Furthermore, sometimes it may need several kind of format control to structure the information to suits the device or and data characteristics.
For example, a disk drive is different from a line printer or an image scanner.
Explain all the categories that are served by Common Control switching. Common Control Switching System: It is a functional block diagram of a common control switching system i
Yes, it can be used, if an accurate clock frequency is not needed. Also, the component cost is low contrast to LC or Crystal.
Cross Bar The crossbar network is the easiest interconnection network. It has a two dimensional grid of switches. It is a non-blocking network and give connectivity among inp
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EPROM contents can be erased by exposing it to ? Ans. By exposing EPROM contents to Ultraviolet rays, it can be erased. The Ultraviolet (UV) light passes throughout a window i
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name the switching schemes used in a digital exchange. ho call processing takes place?
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GlobalFon is an international communication company, which offers international prepaid calling cards. They introduced three different types of cards, (1) AsiaFon: is cheapest for
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