Class 7/8/9/10 - Science - Clean Air: From Donora to Delhi - Can we breathe safely? (#eduvictors)(#cbse-notes)

Clean Air: From Donora to Delhi -
Can we breathe safely?

With the industrial revolution, the human mankind experienced the air pollution for the first time and realized it as a potential threat to human life. The black smoke of locomotives, factories from the industrial towns of England blackened its cities.

In 1950s, the smoke of industrialized Pennsylvania valley in USA made the air murkier. In the small town of Donora, population 14,000, residents suffered eye, nose, and throat irritation and breathing difficulties resulting in 20 deaths.

In 2008, on the 60th anniversary of the event, the town opened the Donora Smog Museum with the
slogan "Clean Air Starts Here".

CBSE Class 12 - Informatics Practices - Chapter - IT Applications (Q & A) (#cbseNotes) (#eduvictors)

IT Applications (Q & A)

Class 12 - Informatics Practices

Q1: What is the use of 'Front end'?

Answer: The front end application interacts with the user and collects input from the user. For example: E-mail sign up form or any application where a user enters data.


Q2: What is the use of 'Back end' application?

Answer: The backend is an application or program that is not visible to the user but that processes the user requests as received from the front end. The back end handles all database accesses through one or more servers. For Example: MYSQL, Oracle, MS-Access etc.

CBSE Class 12 - English (Core) - Sample Question Paper - (2017-18) (#eduvictors)(#cbseNotes)(#cbsePapers)

CBSE Class 12 - English (Core) -
Sample Question Paper - (2017-18)

CBSE Class 10 - Social Studies - 2nd Term Sample Question Paper - (2017-18) (#eduvictors)(#cbseNotes)

CBSE Class 10 - Social Studies -
2nd Term Sample Question Paper - (2017-18)

CBSE Class 12/Class 11/Class 9 - DISCOVERIES IN ATOMIC STRUCTURE (#eduvictors)(#cbsenotes)

DISCOVERIES IN ATOMIC STRUCTURE

1. Dalton(1803) : Proposed Atomic Theory

2. Julius Plucker (1859) : First discoverer of cathode rays

3. Goldstein(1886) : Discovered anode rays and proton

4. Sir.J.J.Thomson(1897) : Discovered electron and determined charge/mass(e/m) ratio for electron

5. Rutherford(1891) : Discovered nucleus and proposed atomic model

CBSE class 10/9/8/7 - Social Science - Civics- Types of Government (#eduvictors)(#cbseNotes)

Know Different Types of Governments

Republic: 
A government whose authority is based on citizen’s votes ,which are represented by elected or nominated officials chosen in free election.

Democracy: 
Democracy means ‘rule of people’. The term today refers to political system in which the people or their elected representatives govern themselves.

Communism: 
As a system of government, commission is a system of government in which the states owns and operates industry on behalves of the people.

CBSE CLASS 10 - English (C) - Literature - Oh, I wish I'd looked after my teeth. (Poem Summary) (#eduvictors) (#cbsenotes)

Oh, I wish I'd looked after my teeth.
                                     - Pam Ayres
SUMMARY

About the poetess
Pam Ayres was born on 14th March 1947 at Berkshire, England. She is an English poet, songwriter, comedian, radio and television presenter.

Summary

The poet regrets that she had neglected her teeth during her childhood days and also during her youth. When she was a little girl, she used to chew lots of toffees, took sweet sticky food, enjoyed gobstoppers, liquorice and sherbet dabs, without giving a thought that she may negatively affect her teeth. Little did she realise that her spending money on these pretty things might cause her teeth a major harm one day.

CBSE Class 12 - Economics - Sample Question Paper - (2017-18) (#eduvictors)(#cbseNotes)

CBSE Class 12 - Economics -
Sample Question Paper - (2017-18)

CBSE Class 12 - Informatics Practices - Worksheet (#cbseNotes) (#eduvictors)

Informatics Practices - Worksheet

Fill in the blanks


1. A___________ is a Logical Unit of Work (LUW) on the database that must succeed or fail entirely.


2. Transaction is an atomic unit, it must be executed independently, no any other transaction should interfere during the execution of a transaction to avoid conflicts. It is known as ______ of database.


3. Transaction SQL command __________, cancels the effect of a transaction and restores the previous state of the database



4. Each time when record is inserted or updated in the table, the other table is referenced. This constraints is also called __________ ___________ Constraints.

CBSE CLASS 8/9/10 English - Reading Comprehension - Set 11 (Unseen Passage)(#eduvictors) (#cbseNotes)

Unseen Passage (Set 11)

Reading Comprehension

Q: Read the following passages. Answer the multiple choice questions that follow. 

Passage 

The bulk of our population is poor and illiterate. Their sorry condition poses a problem. On the one hand there is a shortage of teachers for Adult Education and on the other, the adults feel shy of starting to learn at a late age and attend classes. Moreover, the adult villagers have little time to spare for attending classes as the job of a farmer is very strenuous. In addition, he finds that what is taught at adult centres of education has no bearing on his daily needs, therefore he has become cynical about adult education. 

It is necessary to make it more meaningful for farmers in the villages. In towns and cities also, emphasis should be laid at increasing literacy rate and encourage adult education. Though it can be made useful and work based to arise their interest. It should comprise types of system in which earning and learning go together. Efforts to enhance adult education will ultimately discourage tendency to migrate to towns for better earning.

MCQs

⑴ What is needed for Adult Education in villages?

a) It should be agriculture oriented
b) It should be free
c) It should be compulsory
d) It should be available in all villages