**Answer
1** :
The computer mouse as we know it today was invented and developed by Douglas Englebart during the 60's and was patented on November 17, 1970. While creating the mouse Douglas was working at the Stanford Research Institute, a think tank sponsored by Stanford University and originally referred to the mouse as a "X-Y Position Indicator for a Display System." This mouse was first used with the Xerox Alto computer system in 1973. However, because of its lack of success the first widely used mouse is credited to being the mouse found on the Apple Lisa computer. Today, the mouse is now found and used on every computer.

**Answer
2** :
If you're uncertain if an e-mail address is case sensitive it's safe to assume it's not.Typically most Internet Service Providers (ISPs) and e-mail servers are not case sensitive. which means INFO@exammaterial.com is the same as info@exammaterial.com. However, the first portion of an e-mail address (alias/username/group) can be case sensitive. This means if the server is case sensitive logins INFO, info, and Info would all be considered different users and each of those users would have different e-mail addresses.

**Answer
3** :
Coming from a Microsoft operating system to Linux you may be surprised to see there is not an option for ifconfig to release and renew an IP address. Below are two different methods of how this can be done at the command line.
ifconfig eth0 down
Running the above command would take the eth0 interface (the first network card) down. Which is the same as releasing the IP address from that network card.
ifconfig eth0 up
After the interface is taken down, typing in the above command would bring that interface back up.

**Answer
4** :
Over time the icons displayed in your Windows Start menu will become unorganized, making it much more difficult to find a program you may want to run. Below are the steps on how you can sort these icons in an alphabetic order.
Click Start, Settings, and then click Taskbar and Start Menu
In the Taskbar and Start Menu Properties window click the Start Menu tab
Click the Customize button
Click the Sort button

**Answer
5** :
Just like a InternetURL no spaces are allowed in an e-mail address. However, names can be broken up using a period; for example, krishan sharma may have an e-mail address: krishan.sharma@exammaterial.com or krishan.s@exammaterial.com because no spaces are allowed in the e-mail address.

**Answer
6** :
All white-space, including linebreaks, TAB characters, and normal spaces, even between ‘structural’ elements where no text can ever appear, is passed by the parser unchanged to the application (browser, formatter, viewer, converter, etc), identifying the context in which the white-space was found (element content, data content, or mixed content, if this information is available to the parser, eg from a DTD or Schema). This means it is the application's responsibility to decide what to do with such space, not the parser's:
* insignificant white-space between structural elements (space which occurs where only element content is allowed, ie between other elements, where text data never occurs) will get passed to the application (in SGML this white-space gets suppressed, which is why you can put all that extra space in HTML documents and not worry about it)
* significant white-space (space which occurs within elements which can contain text and markup mixed together, usually mixed content or PCDATA) will still get passed to the application exactly as under SGML. It is the application's responsibility to handle it correctly.
The parser must inform the application that white-space has occurred in element content, if it can detect it. (Users of SGML will recognize that this information is not in the ESIS, but it is in the Grove.)

**Answer
7** :
Either convert them to conform to some new document type (with or without a DTD or Schema) and write a stylesheet to go with them; or edit them to conform to XHTML.
It is necessary to convert existing HTML files because XML does not permit end-tag minimisation (missing
, etc), unquoted attribute values, and a number of other SGML shortcuts which have been normal in most HTML DTDs. However, many HTML authoring tools already produce almost (but not quite) well-formed XML.
You may be able to convert HTML to XHTML using the Dave Raggett's HTML Tidy program, which can clean up some of the formatting mess left behind by inadequate HTML editors, and even separate out some of the formatting to a stylesheet, but there is usually still some hand-editing to do.

**Answer
8** :
EJBs can be clients of other EJBs. It just works. Use JNDI to locate the Home Interface of the other bean, then acquire an instance reference, and so forth.

**Answer
9** :
Drivers and many of the other settings in Microsoft Windows 95 and higher are stored in the Windows registry.

**Answer
10** :
With Robert Noyce, Gordon Moore was one of the founders of the Intel corporation and is also widely known for Moore's law.

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- Probability Ex-15.1
- Probability Ex-15.2
- Chapter 2- Polynomials
- Polynomials Ex-2.1
- Polynomials Ex-2.2
- Polynomials Ex-2.3
- Polynomials Ex-2.4
- Chapter 3- Pair of Linear Equations in Two Variabl
- Pa.Linear Eq Ex-3.1
- Pa.Linear Eq Ex-3.2
- Pa.Linear Eq Ex-3.3
- Pa.Linear Eq Ex-3.4
- Pa.Linear Eq Ex-3.5
- Pa.Linear Eq Ex-3.6
- Pa.Linear Eq Ex-3.7
- Chapter 4- Quadratic Equations
- Quadratic Equations Ex-4.1
- Quadratic Equations Ex-4.2
- Quadratic Equations Ex-4.3
- Quadratic Equations Ex-4.4
- Chapter 5- Arithmetic Progressions
- Arithmetic Progressions Ex-5.1
- Arithmetic Progressions Ex-5.2
- Arithmetic Progressions Ex-5.3
- Arithmetic Progressions Ex-5.4
- Chapter 6- Triangles
- Triangles EX-6.1
- Triangles EX-6.2
- Triangles EX-6.3
- Triangles EX-6.4
- Triangles EX-6.5
- Triangles EX-6.6
- Chapter 7- Coordinate Geometry
- Coordinate Geometry Ex-7.1
- Coordinate Geometry Ex-7.2
- Coordinate Geometry Ex-7.3
- Coordinate Geometry Ex-7.4
- Chapter 8- Introduction to Trigonometry
- Introduction to Trigonometry Ex-8.1
- Introduction to Trigonometry Ex-8.2
- Introduction to Trigonometry Ex-8.3
- Introduction to Trigonometry Ex-8.4
- Chapter 9- Some Applications of Trigonometry
- Applications of Trigonometry Ex-9.1
- Chapter-14 Statistics
- Statistics Ex-14.1
- Statistics Ex-14.2
- Statistics Ex-14.3
- Statistics Ex-14.4
- CBSE Class 10 - Science
- Chapter 1 – Chemical Reactions and Equations
- Chapter 10 – Light-Reflection and Refraction
- Chapter 11 The Human Eye and Colourful World
- Chapter 12 – Electricity
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- Chapter 15 – Our Environment
- Chapter 16 – Sustainable Management of Natural Resources
- Chapter 2 – Acids Bases and Salt
- Chapter 3 – Metals and Non-Metals
- Chapter 4 – Carbon and its Compounds
- Chapter 5 – Periodic Classification of Elements
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- CBSE Class 10 - SST - Contemporary India II
- Chapter 1- Resources and Development
- Chapter 2- Forest and Wildlife Resources
- Chapter 3- Water Resources
- Chapter 4- Agriculture
- Chapter 5- Minerals and Energy Resources
- Chapter 6- Manufacturing Industries
- Chapter 7- Lifelines of National Economy
- CBSE Class 10 - SST - Economic
- Chapter 1- Development
- Chapter 2- Sectors of the Indian Economy
- Chapter 3- Money and Credit
- Chapter 4- Globalisation and the Indian Economy
- Chapter 5- Consumer Rights
- CBSE Class 10 - SST - India and Contemporary II
- Chapter 1- The Rise of Nationalism in Europe
- Chapter 2- Nationalism in India
- Chapter 3- The Making of a Global World
- Chapter 4- The Age of Industrialisation
- Chapter 5- Print Culture and The Modern World
- CBSE Class 10 - SST -Democratic Politics II
- Chapter 1- Power Sharing
- Chapter 2- Federalism
- Chapter 3- Democracy and Diversity
- Chapter 4- Gender, Religion and Caste
- Chapter 5- Popular Struggles and Movements
- Chapter 6- Political Parties
- Chapter 7- Outcomes of Democracy
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- CBSE Class 10 Hindi Kshitij क्षितिज भाग 2
- Chapter 9 संगतकार
- Chapter 1 पद
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- Chapter 15 स्त्री शिक्षा के विरोधी कुतर्कों का खंडन
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- Chapter 7 छाया मत छूना
- Chapter 8 कन्यादान
- CBSE Class 10 Hindi Sparsh Bhag 2 स्पर्श भाग 2
- Chapter 1 साखी
- Chapter 10 बड़े भाई साहब
- Chapter 11 डायरी का एक पन्ना
- Chapter 12 तताँरा-वामीरो कथा
- Chapter 13 तीसरी कसम के शिल्पकार शैलेंद्र
- Chapter 14 गिरगिट
- Chapter 15 अब कहाँ दूसरे के दुख से दुखी होने वाले
- Chapter 16 पतझर में टूटी पत्तियाँ
- Chapter 17 कारतूस
- Chapter 2 पद
- Chapter 3 दोहे
- Chapter 4 मनुष्यता
- Chapter 5 पर्वत प्रदेश में पावस
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- Chapter 7 तोप
- Chapter 8 कर चले हम फ़िदा
- Chapter 9 आत्मत्राण
- English-Class 10 - First Flight
- Chapter 1- A Letter to God
- Chapter 10- The Sermon at Benares
- Chapter 2- Nelson Mandela- Long Walk to Freedom
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- Chapter 6- The Hundred Dresses–II
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- Chapter 9- Madam Rides the Bus
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- Chapter 1- A Triumph of Surgery
- Chapter 10- The Book That Saved the Earth
- Chapter 2- The Thiefs Story
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- Chapter 4- A Question of Trust
- Chapter 5- Footprints without Feet
- Chapter 6- The Making of a Scientist
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- Chapter 8- The Hack Driver
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- Chapter 2 - Lost Spring
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- Chapter 5 - Indigo
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- Chapter 9 - My Mother at Sixty-six
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- Chapter 8 - Memories of Childhood
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- Chapter 16 - Environmental Issues
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- Chapter 6 - Molecular Basis of Inheritance
- Chapter 7 - Evolution
- Chapter 8 - Human Health and Disease
- Chapter 9 - Strategies for Enhancement in Food Production
- CBSE Class 12 Chemistry
- Chapter 1: The Solid State
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- Chapter 13: Amines
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- Chapter 6: General Principles and Processes of Isolation of Elements
- Chapter 7: The p-Block Elements
- Chapter 8: The d & f Block Elements
- Chapter 9: Coordination Compounds
- CBSE Class 12 Economics
- CBSE Class 12 Macro Economics
- Chapter 1 Introduction to Macroeconomics and its Concepts
- Chapter 10 Balance of Payment
- Chapter 2 National Income and Related Aggregates
- Chapter 3 Money
- Chapter 4 Banking
- Chapter 5 Aggregate Demand and Its Related Concepts
- Chapter 6 National Income Determination and Multiplier
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- Chapter 8 Government Budget and the Economy
- Chapter 9 Foreign Exchange Rate
- CBSE Class 12 Micro Economics
- Chapter 1 Introduction to Economics
- Chapter 10 Perfect Competition
- Chapter 11 Non-Competitive Market
- Chapter 12 Market Equilibrium with Simple Applications
- Chapter 2 Consumer Equilibrium
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- Chapter 9 Producer Equilibrium
- CBSE Class 12 Geography
- CBSE Class 12 Geography: Fundamentals of Human Geography
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- Chapter 4 Human Development
- Chapter 5 Primary Activities
- Chapter 6 Secondary Activities
- Chapter 7 Tertiary and Quaternary Activities
- Chapter 8 Transport and Communication
- Chapter 9 International Trade
- CBSE Class 12 Geography: India People and Economy
- Chapter 1 Population: Distribution, Density, Growth and Composition
- Chapter 10 Transport And Communication
- Chapter 11 International Trade
- Chapter 12 Geographical Perspective on Selected Issues and Problems
- Chapter 2 Migration: Types, Causes and Consequences
- Chapter 3 Human Development
- Chapter 4 Human Settlements
- Chapter 5 Land Resources and Agriculture
- Chapter 6 Water Resources
- Chapter 7 Mineral and Energy Resources
- Chapter 8 Manufacturing Industries
- Chapter 9 Planning and Sustainable Development in Indian Context
- CBSE Class 12 Hindi
- CBSE Class 12 Hindi Aroh आरोह भाग 2
- Chapter 1 आत्म-परिचय, एक गीत
- Chapter 10 छोटा मेरा खेत, बगुलों के पंख
- Chapter 11 भक्तिन
- Chapter 12 बाजार दर्शन
- Chapter 13 काले मेघा पानी दे
- Chapter 14 पहलवान की ढोलक
- Chapter 15 चार्ली चैप्लिन यानी हम सब
- Chapter 16 नमक
- Chapter 17 शिरीष के फूल
- Chapter 18 श्रम-विभाजन और जाति-प्रथा, मेरी कल्पना का आदर्श समाज
- Chapter 2 पतंग
- Chapter 3 कविता के बहाने, बात सीधी थी पर
- Chapter 4 कैमरे में बंद अपाहिज
- Chapter 5 सहर्ष स्वीकारा है
- Chapter 6 उषा
- Chapter 7 बादल राग
- Chapter 8 कवितावली (उत्तर कांड से), लक्ष्मण-मूच्छ और राम का विलाप
- Chapter 9 रुबाइयाँ, गज़ल
- CBSE Class 12 Hindi Vitan वितान भाग 2
- Chapter 1 सिल्वर वैडिंग
- Chapter 2 जूझ
- Chapter 3 अतीत में दबे पाँव
- Chapter 4 डायरी के पन्ने
- CBSE Class 12 History
- Chapter 1 Bricks, Beads and Bones The Harappan Civilisation
- Chapter 10 Colonialism and the Countryside: Exploring Official Archives
- Chapter 11 Rebels and the Raj The Revolt of 1857 and its Representations
- Chapter 12 Colonial Cities Urbanisation, Planning and Architecture
- Chapter 13 Mahatma Gandhi and the Nationalist Movement Civil Disobedience and Beyond
- Chapter 14 Understanding Partition Politics, Memories, Experiences
- Chapter 15 Framing the Constitution The Beginning of a New Era
- Chapter 2 Kings, Farmers and Towns Early States and Economies
- Chapter 3 Kinship, Caste and Class Early Societies
- Chapter 4 Thinkers, Beliefs and Buildings Cultural Developments
- Chapter 5 Through the Eyes of Travellers Perceptions of Society
- Chapter 6 Bhakti-Sufi Traditions Changes in Religious Beliefs and Devotional Texts
- Chapter 7 An Imperial Capital: Vijayanagara
- Chapter 8 Peasants, Zamindars and the State Agrarian Society and the Mughal Empire
- Chapter 9 Kings and Chronicles The Mughal Courts
- CBSE Class 12 Maths
- Chapter 1 Relations and Functions
- Relations and Functions Ex-1.1
- Relations and Functions Ex-1.2
- Relations and Functions Ex-1.3
- Relations and Functions Ex-1.4
- Chapter 10 Vector Algebra
- Vector Algebra Ex-10.1
- Vector Algebra Ex-10.2
- Vector Algebra Ex-10.3
- Vector Algebra Ex-10.4
- Chapter 11 Three Dimensional Geometry
- Three Dimensional Geometry Ex-11.1
- Three Dimensional Geometry Ex-11.2
- Three Dimensional Geometry Ex-11.3
- Chapter 12 Linear Programming
- Linear Programming Ex-12.1
- Linear Programming Ex-12.2
- Chapter 13 Probability
- Probability Ex-13.1
- Probability Ex-13.2
- Probability Ex-13.3
- Probability Ex-13.4
- Probability Ex-13.5
- Chapter 2 Inverse Trigonometric Functions
- Inverse Trigonometric Functions Ex-2.1
- Inverse Trigonometric Functions Ex-2.2
- Chapter 3 Matrices
- Matrices Ex-3.1
- Matrices Ex-3.2
- Matrices Ex-3.3
- Matrices Ex-3.4
- Chapter 4 Determinants
- Determinants Ex-4.1
- Determinants Ex-4.2
- Determinants Ex-4.3
- Determinants Ex-4.4
- Determinants Ex-4.5
- Determinants Ex-4.6
- Chapter 5 Continuity and Differentiability
- Continuity and Differentiability Ex-5.1
- Continuity and Differentiability Ex-5.2
- Continuity and Differentiability Ex-5.3
- Continuity and Differentiability Ex-5.4
- Continuity and Differentiability Ex-5.5
- Continuity and Differentiability Ex-5.6
- Continuity and Differentiability Ex-5.7
- Continuity and Differentiability Ex-5.8
- Chapter 6 Application of Derivatives
- Application of Derivatives Ex-6.1
- Application of Derivatives Ex-6.2
- Application of Derivatives Ex-6.3
- Application of Derivatives Ex-6.4
- Application of Derivatives Ex-6.5
- Chapter 7 Integrals
- Integrals Ex-7.1
- Integrals Ex-7.10
- Integrals Ex-7.11
- Integrals Ex-7.2
- Integrals Ex-7.3
- Integrals Ex-7.4
- Integrals Ex-7.5
- Integrals Ex-7.6
- Integrals Ex-7.7
- Integrals Ex-7.8
- Integrals Ex-7.9
- Chapter 8 Application of Integrals
- Application of Integrals Ex-8.1
- Application of Integrals Ex-8.2
- Chapter 9 Differential Equations
- Differential Equations Ex-9.1
- Differential Equations Ex-9.2
- Differential Equations Ex-9.3
- Differential Equations Ex-9.4
- Differential Equations Ex-9.5
- Differential Equations Ex-9.6
- CBSE Class 12 Physics
- Chapter 1 Electric Charges And Fields
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