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Dictionary > Initials > Video memory
Video memory
Read-write memory with double entry
In general, the read-write memory has a bidirectional data bus. This bus makes it possible to charge or restore the data. The direction is indicated by a named pin R/W (read/write) The video memory is a read-write memory having the characteristic to have two data buses. One of them is intended for the entering data, the other with the outgoing data. This characteristic used on the video charts makes it possible to charge a new image (given entering) while posting an already stored image (given outgoing).
Anwar Hossain
anwtele@yahoo.com