The abacus was a great invention in ancient China and has been called by some Western writers the earliest calculating machine in the world. The abacus has a long history behind it. It was already mentioned in a book of the Eastern Han Dynasty, namely Supplementary Notes on the Art of Figures written by Xu Yue about the year 190 A. D.
Subordination and Non Disturbance Agreements, commonly referred to as âSNDAs,â are typically an agreement between a tenant, a landlord and the landlordâs lender.
It is a storage area network (SAN) protocol, allowing organizations to consolidate storage into data center storage arrays while providing hosts (such as database and web servers) with the illusion of locally attached disks.he iSCSI specification refers to a storage resource located on an iSCSI server (more generally, one of potentially many instances of iSCSI storage nodes running on that server) as a target. iSCSI target should not be confused with the term iSCSI as the latter is a protocol and not a storage server instance.