Summary
CAT Syllabus (COMPLETE) Summary
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These are basic summaries that cover the entire IEB Matric syllabus. They mainly cover theory but they also cover the theory behind the practice aspects.
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Summaries -
Owen Venter
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Chapter 1) system technologies
Types of computer systems : different computer systems designed
for specific users SOHO , Personal , Mobile , Power and Enterprise users
. .
Data } Information Data : is made
up of raw facts , and is not
organized Information . is
meaningful knowladge gained from
processing
the data .
Information knowledge and decisions :
knowledge skills , data and
, ,
information are used in combination to make informed decisions .
Reasons for
computers : Computers save paper , time and
using
labour
They lower communication costs They help
.
get work done . us
efficiently , accurately and reliably Time and distance become less of . a
problem We can now communicate .
globally via social networks and web
tools .
Convergence of technologies : manufacturers offer
computing devices
in which
technologies overlap .
Information Input Processing Output Storage
processing cycle
: → -o →
Integration of Input modes : Input modes are
integrated or combined to
improve productivity and
efficiency .
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