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Showing posts from August, 2013

How to do Well in Viva / Oral Exam

To pass a viva candidate must not possess a thorough understanding of the subject but must also be able to convey this to the examiners. Viva is different from other exams: you cannot deal first with the question you know best and come back later to the ones you are not so sure about; and you cannot cross out previous answer and rewrite them. In assembling the knowledge base it may be helpful to remember facts in a way that makes them easily retrieved and communicated in a viva. An intelligent, structured, cogent answer wins the points Key points of viva/oral exam- §The oral exam is an opportunity for you to demonstrate your knowledge, your presentation/interaction skills, as well as your ability to communicate. And these skills are very necessary for scoring well. §Question may be chosen dynamically, depending on how a student answers previous questions. §Questions may be designed to test the in-depth knowledge of a student. Often, the examiner continues to ask questions in a particular…

History and Evolution of Computer

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The word “computer” comes from the word “compute” which means to calculate. Hence, a computer is normally considered to be a calculating device, which can perform arithmetic operations at enormous speed. In other words, a computer is an electronic device that processes data, converting it into information that is useful to people. Here in this chapter we will see briefly how computer comes to this modern age from its early days.

The evolution of Computer: Year Inventor Device 1642 Blaise Pascal First mechanical adding machine 1671 Baron Gottfried Wilhelm First calculator for
Leibniz Multiplication Around 1880 Herman Hollerith Concept of punched cards which were used as input medium in computers even in late 1970s 1822