USES OF COMPUTER IN THE SOCIETY Computer is applied in Society in many ways: 1. DOCUMENTATON: computer is used in offices, homes, for typing letters, reports, CV s etc. 2. DATA COMMUNICATION: With computer, one can transfer data from one person to another or from one computer to another through Network.
CLASSIFICATIONS OF COMPUTER Computer can be classified based on the following ways: 1. Computer type by different generation 2. Computer type by size 3. Computer type by device or kind of signal and data processed or mode of operation. 4. Computer type by purpose 1. CLASSIFICATION BASED ON GENERATION OF COMPUTER There are various generations of computer that has been recorded. Five generations of computer have been produced between 1946 to date. The generations and some of their features are:
COMPUTING DEVICES II, FROM 20 TH CENTURY TO DATE Computing devices from the 20 th century to date includes : ENIAC This means Electronic numerical integrator and calculator. ENIAC was built at the University of Pennsylvania between 1943 and 1945 by two professors John Mauchly and prosper Eckert. T. who got funding from the war department after would replace all the “computers”
WHY CALL A COMPUTER A “SYSTEM” It is observed that in most cases people tend to call a computer “system”. Well this is not strange to hear that a computer can be called a system, but my reason for making this write up is because most people who mention the name