Sunday, August 4, 2019

Introduction Computer

Application of computer


  1. Storing information
  2. Medical and research
  3. Education purpose
  4. Weather forecasting
  5. To play games
  6. Business purpose
  7. Military operation
  8. Payroll system
  9. Calculation 
  10. Reservation system
  11. Banking sector
  12. Draw pictures
  13. Engineering drawings and satellite launching
Classification of computers:computer can classify in following classes

A) Analog computer
B) Digital computer
C) Hybrid computer

Analog computer:-
               Analog computer works on the analog signals;analog signals are those,which are change with the time, like pressure,temperature an voltage, this computer mainly use to calculate  the scientific notation.  This computer is costlier and cannot be use for general purpose.  It is use to measure the physical quantity.  It not much user friendly.  Its speed is fast but the same time accuracy is not much good.

Digital Computer :-
               Those computer are understood digital signal input,  says as digital computer. Understand digital signal from the input unit. The digital signal is those signals,which is change with respect to time. This type of computer is performing arithmetic and logical operation and  accurate results. The normal PC is come in this category. It is easy to use for programming and  operation cost is also low.

Hybrid computer:-
               This is the combination of the both analog and digital computer that means, in this computer both section are available that is analog section and digital sections. The analog section was understood the analog signal and digital section understand the digital signal.  It has the advantage of the both type of the computer. 

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