Role of the teacher


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Computer system

Computer system A computer system consists of a computer and supporting devices for input/ output of data. The basic organization of any computer system shown in the following diagram Input device --- computer --- out put device  The input device supplies the data, as obtained from us, to the computer. Most commonly used input devices are – teletypewriter, video display unit ( VDU ). We specify the data in a form which we use in our everyday life, that is, in the numeric and alphabetic form. These are converted into the forms which the computer can understand. Data are stored in the computer in the binary form. After the computer has processed the data results are obtained on the output devices. Commonly used devices are printer, VCD and teleprinter. The results obtained are in the human readable form. Computer data is changed into this form by electronic circuits called decoders. The computer does all the computing data processing work. Its component are : Arithmetica...
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Nature of teaching activity

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Definition of Teaching  and its Characteristics Definition of teaching Teaching includes all the activities of providing education to other. The person who provides education is called teacher. The teacher uses different method for giving best knowledge to his students .He tries his best to make understand students. His duty is to encourage students to learn the subjects. Teaching means interaction of teacher and students. They participate for their mutual benefits. Both have their own objective and target is to achieve them. Many great teachers of world define teaching in different way and we can say that teaching is just to train the students so that they can stand on their own foot in society . In teaching, three main aspects comes in our front 1st is teacher 2nd is students 3rd is education Nature and characteristics of teaching 1. The main character of teaching is to provide guidance and training. 2. Teaching is interaction be...
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Computer and its generation

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Introduction A computer is simply a tool for people to use ; it is a machine that can solve any problem by accepting data , performing certain operations on that data , and presenting results of those operations. A computer is an information processing machine. It can perform arithmetic operations and the logical decisions . it has a memory and can store lots of information. The stored information may be retrieved , moved and operated upon as desired. Computation are done at an extremely fast speed with complete reliability and accuracy. The speed of execution of operation by modern computer is several million operations per second in comparison to slow computers. These are basically three types of computers - Analog , digitaldigital and hybrid. Analog computer An analog computer accepts , processes and generates continuous data. Computation are carried out with physical quantities , such as length, voltage, current, etc. Digital computer A digital computer accepts , p...
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