Computer World. Матросова Т.А. - 115 стр.

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114
The new computer was designed
primarily as a s c ientif ic Ins trument for a
range of research, design and development
applications in industry, defence and
civilian space programs as well as
commercial applications for a variety of
design and production problems.
The new computer is used in
research, design and deve-
lopment, defence and civilian
space programs.
HYDAC (hybrid digital/analog
computer) is the result of a four-year-long
research program conducted by the
computation division at Princeton, and
represents the first major change of
direction in computer development in 10
years.
HYDAC (hybrid digital/
analog computer) is the result of
a 4-year-long program.
The new computer HYDAC
combines the traditional advantages of
both analog and digital computers-the
analog's speed, lower cost, ease of
programming end the digital's capacity for
storage, decision making logic operations
and time-sharing into one centralized sys-
tem to achieve a computation efficiency
which is well beyond the limits of either
computer used alone.
HYDAC combines the
traditional advantages of analog
and digital computers.
Образцы аннотаций на английском языке
Abstract 1
Simulating how the global Internet behaves is an immensely challenging
undertaking because of the network’s great heterogeneity and rapid change. The
heterogeneity ranges from the individual links that carry the network’s traffic, to the
protocols that interoperate over the links, to the “mix” of different applications used
at a site, to the levels of congestion seen on different links. We discuss two key
strategies for developing meaningful simulations in the face of these difficulties:
searching for invariants, and judiciously exploring the simulation parameter space.
We finish with a brief look at a collaborative effort within the research community to
develop a common network simulator.
Abstract 2
In this paper, we present Google, a prototype of a large-scale search engine
which makes heavy use of the structure present in hypertext. Google is designed to
crawl and index the Web efficiently and produce much more satisfying search results
than existing systems. The prototype with a full text and hyperlink database of at least
24 million pages is available at http://google.stanford.edu/ To engineer a search

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