Types of computers:

-

      Types of computers:

                                        Different types of computers areas follows:


            Analog Computers:

                                               Analog computers represents physical quantities in the form of waves or in a continuous form. Voltage pressure, speed and temperature are some physical properties that can be measured in this way . Its output is usually displayed on a meter or graphs. Analog computers is difficult to operate and use. It has low memory and fewer functions. It provides low accuracy but faster speed than digital computers It usually built for special purpose. Analog computers is mainly used in engineering and scientific applications.


          Examples:

  • Speedometer is used to measure the speed of car.
  • Analog clock measure time by the distance traveled by hand of clock around a dial.
  • Thermometer is an analog devices that measure the length of mercury column.


    Digital computers:

                                       Digital computer processes  data in numerical form using digital circuits. It perform arithmetic and logic operations with discrete values 0and 1. Everything is described as ON and OFF where 1 represent ON and 0 represent OFF.

                           Digital computer can store and process a large amount of data at high speed. The result of digital computers are more accurate than analog computers. Most of the computers available today are digital computers. These computers are available in different sizes, speed and capacities. Digital computers are commonly used at home and in offices etc.


         Examples:
  • Digital watch displays the time that does not very continuously but change from one discrete value to the other.
  • Digital scoreboard directly counts discrete values such as the time left to play and the score of each team. 
  •  
     Hybrid Computer:
                                              A hybrid computer is a combination of both analog and digital computer. It combines the best characteristics of both types of computers. It can accept data in analog and digital form. Hybrid computers are used in medical labs, hospitals and industrial processes etc.


          Example:
                        Hybrid computer can monitor patient & heart function, temperature and blood pressure etc. This measurement can be displayed in digital  form.
Vital Sign hybrid computers



       Different between Analog and Digital computers

                                             coming soon.........

Comments

Post a Comment

Popular posts from this blog

Express Card Modules and USB Adapters:

-
Express card and USB adapters:                                                                                   Express card and USB Adapters are smaller than expansion cards. These are used by mobile computer. The user can plug into the slots or ports of outside of the system unit.             Express Card module can be inserted into Express Card  slot on a computer or mobile device. Express Card modules and express Card slots are available in two widths of 34 mm and 54 mm known as Express Card/34 and express Card/54 respectively. Express Card /34 module can be used in both Express Card/54 module can only be used with Express Card/54 slots.    The USB adapter can be inserted into USB port on a computer or mobile device. It can be used...
Read more

Presentation Software:

-
Image
 Presentation Software:                                          Presentation software is a type of application software that uses graphic, animation, sound and data or information to make visual presentation. It provides many facilities to create  attractive presentation quickly and easily. The presentation consist of multiply slides. The slides contain the information for the audience. This information can include text, pictures, charts video and sound etc. These presentation can be used directly on computer screen. The presentations can also be viewed as slides on a large monitor and projection screen. The user can also print them for different uses. Popular presentation software are Microsoft PowerPoint, iWork Keynote, LibreOffice Impress and Google Docs Presentation.                           ...
Read more

Education Software

-
Education Software                                     Educational software is used in education field to learn different skills. Many software packages and available on different subject. students and common people can learn foreign language and use of application software through educational software. it is also used to educate basic skills math/ reading  and writing to the students of preliminary classes.  Many educational software use computer- based training (CBT) approach. CBT is a type of education in which students  learn through exercise  with instructional software. Different type of educational software application are as follows; Computer- Assisted Instruction (CAI)                                                         ...
Read more