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Download Basics of Computer Science (T.N. Diploma) by Rajiv Khanna PDF

By Rajiv Khanna

Major gains of this publication are: precisely as in step with syllabus, steered through the board; contains resolution for lab assignments and viva query financial institution; really easy language used for studying; American English development during the e-book; a query financial institution, titled 'Exercises' were inserted on the finish of every bankruptcy; useful guidance within the type of step-by-step directions on the finish of every bankruptcy; and, plenty of examples and figures were incorporated in every one bankruptcy. This e-book will function an ideal instructing advisor for the academics and an outstanding reference ebook for the scholars.

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Similarly all those instructions, using which berths are reserved for passengers in trains will be another program. Likewise you have programs for every task that computer does. Without program computer is useless. Programs are written in computer languages. For example, C, C++, Visual Basic, Java etc. are few popular computer languages that are commonly used for writing programs. Those programs that are written for carrying out computer's internal tasks like transferring the data from keyboard to memory, from memory to processor or to monitor etc.

If you pres the same key, along with Shift key % sign will get typed. ) etc. marked on them. Such keys are called special character keys. When you press special character key, character marked on it gets typed at current cursor position. Function Keys There are 12 function keys present on the keyboard. F12. When you press these keys they perform special functions. Cursor Keys Four cursor keys are there on the keyboard. They are marked with arrows on them, pointing in four different directions. Using cursor keys, you can move the cursor from one place to another.

Often (specially when data volume is large) this surprise element remains unnoticeable to the person who views the data. Thus, data carries no meaning for him. Data works as raw material for computer system. Computer system processes the data and brings out the hidden surprise element in it. For example, after processing students' data a merit list may be prepared, showing the roll number, names and marks of 10 top rankers. This list is surprise element, which has brought out a hidden fact that these students are outstanding.

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