Методические указания по английскому языку для студентов I курса всех факультетов. Часть 2. Богданова Н.А - 48 стр.

      Every automated machine or system requires four basic components: l)
power        source,     2)       sensing   mechanisms    or    feedback,
3) decision element and 4) control element.
      The power source (e.g. batteries or electric generator) provides an automated
system with the energy needed to achieve its desired task.
      The sensing mechanism enables the system to measure some property of the
output; photoelectric cells, thermocouples, X-ray machines, and electrical meters
being typical sensing mechanisms. The properties they may measure include
dimensions, weight, temperature, pressure, colour, or electrical resistance. This
element is called feedback because the instruments return or feed back this
information to the central system control.
       The decision element compares the data supplied by the sensing element
with standards stored in the program, this step being often carried out by a
computer. If some action is necessary, the decision element gives the instructions to
the system.
      The control element carries out the commands of the decision element and
keeps the system in conformity with1 its program. The control element may consist
of switches that control the flow of electricity, valves, or other mechanisms.
      The power source and the sensing mechanism or feedback, decision and
control elements operating properly, an automated system is able to regulate its
behaviour.
       A modern automated factory may have hundreds or even thousands of
interconnected feedback loops2.
  1
      in conformity with – в соответствии с
  2
      feedback loop – контур обратной связи

2. Запомните произношение следующих слов:
require [riʼkwaiə]                            decision [diʼsiʒən]
measure [ʼmeʒə]                               property [ʼprɔpəti]
valve [ʼvælv]                                 weight [ʼweit]
source [ʼsɔ:s]                                mechanism [ʼmekənizəm]

3. Прочитайте и переведите группы однокоренных слов. Помните о
   значении суффиксов.