The didactic possibilities of virtual instruments in the engineering education are studied. Defined eight system characteristics of this technology: means of measurement, metrologichnost, real-time, communication, information content, poliontizm, the variation of the scale interval.
Problems of information security of the firm (manufacture) are considered. Their decision assumes studying of forms, ways and methods of revealing and the danger prevention in information sphere, and also the optimal control of system of maintenance of information security and a rational choice of protection tools of the confidential information.
The algorithm of decomposition of incomplete standard basis of the field Q(mD) in the multidimensional periodic continued fraction of the general form.
Properties of poorly almost per iodic functions with values in Banach space are researched.
Explicit methods of ge nerations of curves of genus 2 of p-rank 1 over finite fields are produced.