DATA AND INFORMATION

Data A collection of non formal meaningless and disorganized items. How Data are formed Text Numeral  (0 – 9) Characters ( a – z) Codes (,.:;) Special Characters  (@ ! #) Visual Audio Classification of data Quantitative Data – Can be presented quantitatively. Qualitative Data – Cannot be presented numerically Ex: shapes, colors, sound. Nature Read More …

What is Computer?

What is Computer? A computer is an “intellectual” amplifier that perform above operations in a more faster, accurate and efficient way. Characteristic of Computers  Speed A computer can do mathematical operations move and copy documents at a speed in the order of million or billion instructions per second. Reliability Computer output is generally very reliable Read More …