Basic Computer Operation
Basic Computer Operation
Basic Computer Operation
or
How a Computer Works
Input: Information and programs are fed into the computer through input devices such as the Keyboard, Disks, Pendrives...
Keyboard Layout
Keyboard Layout
Keyboard Layout
or
Functions of Keyboard
The keyboard is one of the components of Hardware. There are a number keys with which some operations brought into...
Basics of MS Excel
Basics of MS Excel
Basics of MS Excel
Introduction: MS-Excel 2000 is a window based spreadsheet package, which is used for entering, editing, analysing and storing of...
MS PowerPoint Basics
MS PowerPoint Basics
MS PowerPoint Basics
Creating a Simple Presentation:
Open a New Slideshow
1. Open PowerPoint
2. Go to the View menu and select the Task Pane. The...
MS Word Basics
MS Word Basics
MS Word Basics
MS-Word is a word processing program that allows us to create documents, mails, reprints, letters and even webpages. We can...
Basic PC Shortcut for Keys
Basic PC Shortcut for Keys
Basic PC Shortcut for Keys
Alt+F: File menu options in the current programme.
Alt+E: Edit Options in the current programme.
F1: Universal Help...
Microsoft Excel Shortcut Keys
Microsoft Excel Shortcut Keys
Microsoft Excel Shortcut Keys
F2: Edit the selected cell.
F5: Go to a specific cell. For example, C6
Ctrl+Shift+;: Enter the current time
Ctrl+:: Enter...
Basic PC Shortcut for MS Office
Basic PC Shortcut for MS Office
Basic PC Shortcut for MS Office
Ctrl+A: Select all contents of the page
Ctrl+B: Bold highlighted selection
Ctrl+C: Copies selected text
Ctrl+F: Open...
Currency Symbols
Currency Symbols
Currency Symbols
The symbol of Indian Rupee typifies India’s international identity for money transactions and economic strength. The Indian Rupee sign is an allegory...
Microsoft Powerpoint Short Cut Keys
Microsoft Powerpoint Short Cut Keys
Microsoft Powerpoint Short Cut Keys
Shortcut while preparing PowerPoint presentation
Ctrl+N: Create a new presentation
Ctrl+K: Insert hyperlink
F7: Check the spelling
CTRL+M: Insert new...
Abbreviations Related to Computer Science
Abbreviations Related to Computer Science
Abbreviations Related to Computer Science
A.B.C. –– Atana Soff Berry Computer
A.I. –– Artificial Intelligence
A.L.U. –– Arithmetic Logical Unit
ASCC–– Automatic Sequence Controlled...
Branches of Science
Branches of Science
Branches of Science
Branch Concerned Field
Angiology–– Study of blood vascular system.
Anthropology–– Study of apes and man.
Araneology–– Study of spiders.
Batracology–– Study of frogs.
Biochemistry––...
Scientific Laws Principles and Theories
Scientific Laws Principles and Theories
Scientific Laws Principles and Theories
Archimedes Principle
When an object (wholly or partially) is immersed in a liquid, it experiences a buoyant...
List of Some Scientific Instruments
List of Some Scientific Instruments
List of Some Scientific Instruments
Altimeter––It measures the altitude used in aircraft.
Ammeter––It measures the strength of electric current (in amperes)
Anemometer––It measures...
Fathers of Some Branches of Science
Fathers of Some Branches of Science
Fathers of Some Branches of Science
Aristotle––Father of Nature’s History, Father of Biology, Father of Zoology.
Addison––Father of Endocrinology
Edward Jenner––Father of...
Common Numerical Values in Science
Common Numerical Values in Science
Common Numerical Values in Science
1. ð= 3.1416 memrizing aid:
2. Velocity of light= 3108 m/s
3. Magnitude of universal gravitational constant =...
Atomic Number
Atomic Number
Atomic Number
Element –– Symbol –– Atomic Number
Hydrogen ––– H ––– 1
Helium ––– He ––– 2
Lithium ––– Li ––– 3
Beryllium ––– Be ––– 4
Boron ––– B...
S I Unit
S I Unit
S I Unit
Quantity ––––– Unit ––––– Symbol
Temperature ––– Kelvin ––– K
Resistance ––– Ohm –––
Electric current ––– Ampere ––– A
Electromotive force ––– Volt –––...
Some Important Alloys
Some Important Alloys
Some Important Alloys
Name ––– Composition ––– Use
Brass ––– Cu ((60 to 80%), Zn (40 to 20%) ––– For making household utensils
Broze ––– Cu...
Chemical Names of Common Compounds
Chemical Names of Common Compounds
Chemical Names of Common Compounds
Comp.Name –– Chemical Name –– Chemical Formulae
Dry Ice ––– Solid Carbon dioxide ––– Co2
Slaked Lime ––– Calcium...



























