FUNDAMENTALS OF COMPUTER SYSTEMS
The computer exercises such an important and wide spread influence on our society
today that every educated person should study the basic disciplines underlying its
operation and applic
we have been talking about in
the last Lectures is the physical part
of the computer system. Do you
remember, we said that a computer is
a dumb machine? Now let us see
what makes it work.
BASIC CONCEPTS AND
METHODS OF DATA
Now that we have learned what transforms
data, both the physical components and the
instructions that are used, we look at how
information made useful to us.
processing may be
SECURITY, PRIVACY AND ETHICS
The control systems should:
a)Prevent all possible erroneous
and fraudulent data processing.
b)Detect the occurrence of such
errors and fraud.
c)Minimize the extent of loss to
Lecture is designed to give
students an overview of computer
systems, their relationship to the
human processing system, their
advantages and disadvantages.
What is a computer?
computer is an elec
have all come in contact with
computer-based information systems
either directly or indirectly.
systems must be developed or replaced
if they are not meeting the business
Computer hardware is the
name given to all the physical
devices found in a computer
They correspond to ears, eyes,
mouth, hands, brain, mouth,
booksandso on. inthehuman