Wikipedia
DVK
DVK (, Dialogue Computing Complex) is a Soviet PDP-11-compatible personal computer.
The design is also known as Elektronika MS-0501 and Elektronika MS-0502.
Earlier models of DVK series were based on K1801VM1 or K1801VM2 microprocessors with 16 bit address bus. In the later models, the KM1801VM3 microprocessor (with 22 bit extended address bus) was used.