Two types of number systems are:
Non-positional number systems
Positional number systems
Non-positional number systems
Characteristics
Use symbols such as I for 1, II for 2, III for 3,...
Saturday, June 20, 2015
Wednesday, May 6, 2015
Basic Organization of a Computer System
Input:
1. It accepts (or reads) instructions and data from outside world
2. It converts these instructions and data in computer acceptable form
3. It supplies the converted instructions and data to the computer system for further processing
Output Unit:
1. It accepts the results produced by the computer, which are in coded form and hence, cannot be...
Wednesday, April 29, 2015
Five basic operations of a computer
Inputting:
The process of entering data and instructions into the computer system
Storing:
Saving data and instructions to make them readily available for initial or additional processing whenever required
Processing:
Performing arithmetic operations (add, subtract, multiply, divide, etc.) or logical operations (comparisons like equal to, less...
Monday, April 20, 2015
Generations of computer
· “Generation”in computer talk is a step in
technology. It provides a framework for the growth of computer industry
· Originally it was used to distinguish between
various hardware technologies, but now it has been extended to include both
hardware and software
· Till...
Evolution of computer & Some of earlier computer's
Evolution of Computers
·
Blaise Pascal invented the first mechanical
adding machine in 1642
·
Baron Gottfried Wilhelm von Leibniz invented the
first calculator for multiplication in 1671
·
Keyboard...
Sunday, April 19, 2015
Characteristics of computer
Characteristics of computer
1) Automatic: Given a job, computer can
work on it automatically without human interventions.
2) Speed: Computer can perform data
processing jobs very fast, usually measured in microseconds (10-6), nanoseconds
(10-9),...
Saturday, April 18, 2015
Data processing
Data Processing
The activity of processing data using a computer is called
data processing
·
Data
·
Capture Data
·
Manipulate Data
·
Output Results
·
Information...
