FIELD: automatics; computer technology. SUBSTANCE: program control unit has test problems memory unit, frequency divider, address counter, pulse generator, multiplexer, starting flip-flop, pulse former, the first and the second AND gates. Test programs and discrepancies memory unit, frequency setting unit, discrepancy counter, register, the first and the second comparison circuits, commutator, stop flip-flop, modulo 2 adder are introduced into the unit additionally. Area of application of the unit may be widened due to capability of realization of test procedures with variable parameters. EFFECT: widened area of application. 5 dwg
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