Прочитайте текст The ЕАС1 field computer was designed to be used in harsh environments. It is waterp...: ответ на тест 781466 - Английский язык

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The ЕАС1 field computer was designed to be used in harsh environments. It is waterproof, sand and dustproof and will withstand a 2-metre drop onto a hard surface. It operates in a wide temperature range of -20˚C to +60˚C (- 4˚А to +140˚F). It can be carried in the bend of one arm; the other arm is left free to operate the system with either the pen or keyboard. The field computer gives users a choice of the best data entry methods, both pen-based and key-board. Pen input is the fastest and most intuitive way of accessing software functions and selecting attribute choices in the field. In addition, a full alphanumeric keyboard is standard and allows entering large amounts of feature and attributes text data. The display is protected from scratching by a replaceable transparent polycarbonate shield.
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The display _________________.

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The ЕАС1 field computer was designed to be used in harsh environments. It is waterproof, sand and dustproof and will withstand a 2-metre drop onto a hard surface. It operates in a wide temperature range of -20˚C to +60˚C (- 4˚А to +140˚F). It can be carried in the bend of one arm; the other arm is left free to operate the system with either the pen or keyboard. The field computer gives users a choice of the best data entry methods, both pen-based and key-board. Pen input is the fastest and most intuitive way of accessing software functions and selecting attribute choices in the field. In addition, a full alphanumeric keyboard is standard and allows entering large amounts of feature and attributes text data. The display is protected from scratching by a replaceable transparent polycarbonate shield.
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The display ________.

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The standard model supports a maximum resolution of 600 dpi (non-interpolated) and generates image data in composite colour, monochrome and black-and-white. The scanner precisely positions a RGB line camera segment by segment across the rotating drum. Thereby it generates a 3 Ч 10-bit data stream which gets on the fly gamma corrected and re-sampled to image data formats True Colour RGB 4 or 8-bit composite colour, 8-bit monochrome or binary black/white. The scanner incorporates a fast Pentium PC which by itself contains a 2 Gb SCSI- 2 disk and a network adapter. A 17 monitor, keyboard and mouse are included. With its Ms Windows operating software, the SG 906 represents a complete and ready-to-use scan station.
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A 17 monitor, keyboard ________________.

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A patented charging technology for all kinds of batteries shortens battery charge times, generates no heat while charging, and extends the battery life 10-fold, to as many as 5,000 charge and discharge cycles. With nickel-cadmium (Ni-Cd) batteries, the charging time drops 90 per cent or more. The system will charge batteries up to 110 per cent of their manufacturer-rated (nominal) capacities, and restores memory-impaired batteries to 98 per cent of their former capacities. The system is easier on batteries than slow- and fast-charging methods, with over-charge and over-heat batteries by force-feeding current. Using a custom IC, the battery chargers read the electrochemical potential of a battery under charge, and determines its internal condition. They change the flow of current during millisecond-scale periods.
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With nickel-cadmium (Ni-Cd) batteries, the charging time ________________.

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Pyroelectric infra-red sensors consist of a ceramic element, an alumina substrate and a circuit with field effect transistors (FET) and strong resistance, a window material.
To attain excellent sensitivity in a pyroelectric sensor, it is essential to make the pyroelectric element thin enough for a low-heat capacity. The engineers also must work out a specific sensor structure for little heat dissipation.
A pyroelectric infra-red sensor is using a conductive bonding agent to fix the pyroelectric element to the lead terminals of the stem. As a result, the clearance between the element and the alumina substrate holding the circuit remains constant, a construction that avoids heat dissipation. The element itself is between 50 and 100 µm thick, to offer appropriate heat capacity and handling ease.
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The engineers must work out a specific sensor structure for __________________.

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The word computer comes from a Latin word which means to count. A computer is a machine with a complex network of electronic circuits that operate switches or magnetize tiny metal cores. The switches, like the cores, are capable of being in one of two possible states, that is, on and off; magnetized or demagnetized. The machine is capable of storing and manipulating numbers, letters, and characters. The basic idea of the computer is that we can make the machine do what we want by inputting signals that turn certain switches on and turn others off, or that magnetize or do not magnetize the cores.
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The word computer comes from a Latin word which means ________________.