IT
APPLICATION
TOOLS IN
BUSINESS
1
, CHAPTER I
Computer Appreciation
Learning Objectives
The characteristics of computers;
The function of input, output and storage units;
How CPU and Computer system receive, store and process data to generate useful
information;
The concept of positional number system, Binary Number System, Binary to Decimal
Conversion, Decimal to Binary conversion, ASCII Code, Unicode
COMPUTER (Balagurusamy, 2009) - states that a computer is an electronic machine
that takes input from the user, processes the given input and generates output in the
form of useful information. It is an electronic device, operating under the control of
instructions stored in its own memory, that can accept data, process the data according to
specified rules, produce results, and store the results for future use.
Information Processing Cycle
DATA
CAPTURE DATA
MANIPULATE DATA
OUTPUT RESULTS
INFORMATION
CHARACTERISTICS OF COMPUTER
Speed Reliability
Storage Capacity Versatility
Accuracy Diligence
2
APPLICATION
TOOLS IN
BUSINESS
1
, CHAPTER I
Computer Appreciation
Learning Objectives
The characteristics of computers;
The function of input, output and storage units;
How CPU and Computer system receive, store and process data to generate useful
information;
The concept of positional number system, Binary Number System, Binary to Decimal
Conversion, Decimal to Binary conversion, ASCII Code, Unicode
COMPUTER (Balagurusamy, 2009) - states that a computer is an electronic machine
that takes input from the user, processes the given input and generates output in the
form of useful information. It is an electronic device, operating under the control of
instructions stored in its own memory, that can accept data, process the data according to
specified rules, produce results, and store the results for future use.
Information Processing Cycle
DATA
CAPTURE DATA
MANIPULATE DATA
OUTPUT RESULTS
INFORMATION
CHARACTERISTICS OF COMPUTER
Speed Reliability
Storage Capacity Versatility
Accuracy Diligence
2
