文档介绍：```````1Computer Science
the mode of processing
or digital.
mainframes, puters,
this categorization provides
puter’s speed
the advent puters
historic significance
based on vacuum
appearing in the
which transistors replaced
integrated circuits replaced
such as puters
integration enabled thousand
incorporated on one chip
expected bine
approaches puting
2Computer Architecture
Unlike floppy and
optical discs
by flat areas
bottom surface
by a laser
beam of light
reflected light
the area represents
Like mercial
read-only” disc.
erased by the user
have access only
can store 650
equivalent to 451
information on
the time to retrieve
3Computer Language
processing in a symbolic
the machine language
allows programmers to
translated by a
by puter
(连接装入程序) combine
main memory unit
linking separate pieces
of programs to
a first step
software reuse
sufficiently inconvenient
faster programming
translate high-level
more powerful and
terms of execution
4Software Development
Software engineers
programming languages
cannot directly execute
need piler to
a low-level language
all the instructions
code to produce
or similar to a
the machine language
the program immediately
produces its translation
such as assemblers
versions pilers
computers or operating
have pilers
different manufacturers
5Software Process
software faults
more e