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Showing posts from July, 2021

CBSE Class 12 results announced for session 2020-21 /Central board of secondary education class 12 results

  Central board of secondary education has announced the results for class 12 boards.  The date for results was getting postponed since a long time..  99.37 percent students passed the class 12 boards exam for session 2020-21. The result has been designed on the internal basis of marks for class 10,11 and 12.  Students can check their results from the given link - Link for result of class 12 board Before CBSE has also provided  a link for getting roll numbers for class 10 and 12 students.  Students can get their roll numbers from the following link - Link for getting roll numbers Since the exams of class 12 was cancelled due to covid-19 pandemic therefore  those students who are not satisfied with their marks can give exam whose details will be provided later on the official website.

HEAT AND ITS EFFECTS-CLASS 07-CBSE-SCIENCE-SUPER NOTES-BEST NOTES FOR EXAMS

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                              HEAT is a form of energy which causes sensation of hotness or coldness. Heat is measured in joules or calories . S. I. Unit of heat is joule.  1 kilojoule (KJ)  = 1000 joules (J)       1 kilocalorie (KC)  = 1000 calories (C)  1 cal= 4.184 J Effects of heat  1. Heat causes expansion. 2. Heat causes change in temperature. 3. Heat causes change in state. 1. Heat causes expansion       All substances expand on heating and contract on cooling.    Expansion in solid Molecules in solids are closely packed together and their positions are fixed . The space between the molecules of solids are almost negligible and the force of attraction between them is very strong . These molecules only vibrate in their mean positions.  While heating, the movement of these particles increases result in an increase in dista...

COMPUTER SYSTEM ORGANISATION-SHORT NOTES-WITH HELPFUL DIAGRAMS - CLASS 11-CBSE

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        COMPUTER ORGANIZATION      refers to the logical structure of a computer describing how its components are connected to one another, how the effect one another function is and contribute to overall performance of the computer. Computer follows input- process -output principle (IPO principle). An input unit takes the input and converts it into binary form so that it can be understood by computer. Some common input devices are keyboard, mouse, microphone etc. A computer can understand two stages on/ off or high/low voltage of the binary language that uses just two symbol 1 for on and 0 for. Output unit convert the output in binary form to human readable form. Some popular output devices are monitor, printer, speaker,etc. The CPU or the central Processing Unit is the main control centre and Processing Unit .  It is also called brain of the computer as it guides direct control over the performance of a computer .  CPU has some sub -compon...

COMPUTER SYSTEM ORGANISATION-CLASS-11-CHP-01-CBSE-Objective type questions, Extra solved questions relating chapters, Important unsolved questions for practice

    COMPUTER SYSTEM ORGANISATION  OTQs (objective type questions) 1. Which of the following components is the main memory of computer? (a)   CD   (b) Internal hard drive  (c)  DVD (d)  RAM ANSWER-   (d)  2. Which component of a computer connects the processor to the other hardware? (a) System bus  (b) CPU  (c) Memory (d) Input unit ANSWER- (a)  3. Which of the following is refer to the brain of computer?  (a) Processor  (b)  RAM (c)  ROM  (d)  Hard drive  ANSWER- (a)  4. What is the name of the program that control the computer system?  (a) Hardware  (b) keyboard  (c) software  (d) Mouse ANSWER- (c)   5. The physical components of a computer are called? (a) Hardware  (b) Software  (c) ALU (d) CPU ANSWER- (a)   6. Which of the following is the common measurement of unit of Computer memory?  (a) IQ  (b) Byte  (c...

NOUN-ENGLISH GRAMMAR FOR all state boards, cbse, icse, and all competitive exams

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                                  NOUN Noun-  A noun is the name of person, place, thing, quality, condition and action.  किसी व्यक्ति  स्थान ,वस्तु ,गुण ,दशा और कार्यकलाप के नाम को ,नाउन (NOUN)  कहते हैं ।    Eg- PERSON.         Ram           PLACE.            Kolkata            THING.             Pen           QUALITY.         Honesty            CONDITION.    Illness            ACTION.          Movement                             NOUN   is basically of two types - 1. Countable noun  2. Uncount...

A Laburnum Top/by Ted Hughes/ Central idea/ Explanations of stanzas/ Poetic devices

                  THE LABURNUM TOP                                      - by Ted Hughes Central idea :- The poem ' The laburnum top' is a beautiful poem in which the poet has used the laburnum tree and Goldfinch as a symbol of life and its fluctuations . In this poem the poet describe how the visit of a Goldfinch changes the laburnum tree. The Goldfinch transforms the tree and make it come alive as the chicks of the Goldfinch start to Rustle and chirp on seeing her. Once the Goldfinch leaves the tree it becomes quite and still again. The laburnum tree symbolises the pattern of our life in general which is usually dull and inanimate. The Goldfinch break the usual pattern and make it lively. Without the Goldfinch , the laburnum  tree is just like another tree. In other words it is the attitude of a person towards life that makes  the me...

A PHOTOGRAPH /CLASS -11/CBSE/ENGLISH POEM /CENTRAL IDEA /EXPLANATION

                  A PHOTOGRAPH                                         -SHERLEY TOULSON       CENTRAL IDEA  Shirley Toulson 's poem" A  photograph" is a tribute to her mother . The poem describe three stages in the passage of time. In the first stage, the photograph shows the poet's mother is standing at the beach of enjoying her holiday with her to girl cousin. She was around 12 years old at that time. The second stage Take us 20or30 years later. The mother would laugh at the way she and her cousin were dressed up for the beach holiday. In the third stage of the poet remembers the dead mother with a heavy heart. The photograph revives a nostalgic feeling in the poet.          STANZA WISE EXPLANATION OF THE POEM  1."The cardboard shows me how it was    when the two girl ...