Some useful run commands

To access the RUN command prompt click START menu then click RUN

These are Some below

Add/Remove Programs - appwiz.cpl
Administrative Tools - control admintools Automatic Updates - wuaucpl.cpl
Bluetooth Transfer Wizard - fsquirt
Calculator - calc
Certificate Manager - certmgr.msc
Character Map - charmap Check
Disk Utility - chkdsk Clipboard
Viewer - clipbrd Command Prompt - cmd
Component Services - dcomcnfg
Computer Management - compmgmt.msc
Date and Time Properties - timedate.cpl
DDE Shares - ddeshare
Device Manager - devmgmt.msc
Direct X Control Panel (If Installed)* - directx.cpl
Direct X Troubleshooter - dxdiag Disk
Cleanup Utility - cleanmgr
Disk Defragment - dfrg.msc
Disk Management - diskmgmt.msc
Display Properties - desk.cpl
Display Properties (w/Appearance Tab Preselected) - control color
Dr. Watson System Troubleshooting Utility - drwtsn32
Driver Verifier Utility - verifier
Event Viewer - eventvwr.msc
File Signature Verification Tool - sigverif
Findfast - findfast.cpl
Folders Properties - control folders
Fonts - control fonts Fonts Folder - fonts
Free Cell Card Game - freecell Game Controllers- joy.cpl
Group Policy Editor (XP Prof) - gpedit.msc
Hearts Card Game - mshearts
Iexpress Wizard - iexpress
Indexing Service - ciadv.msc I
nternet Properties - inetcpl.cpl
IP Configuration - ipconfig /all
Java Control Panel (If Installed) - jpicpl32 Aug 31 Sourish
Keyboard Properties - control keyboard Local Security Settings - secpol.msc
Local Users and Groups - lusrmgr.msc
Logs You Out Of Windows - logoff
Microsoft Chat - winchat
Minesweeper Game - winmine
Mouse Properties - control mouse
Mouse Properties - main.cpl
Network Connections - control
netconnections Network Connections - ncpa.cpl
Network Setup Wizard - netsetup.cpl
Notepad - notepad Nview
Desktop Manager (If Installed) - nvtuicpl.cpl
Object Packager - packager
ODBC Data Source Administrator - odbccp32.cpl
On Screen Keyboard - osk Opens AC3 Filter
(If Installed) - ac3filter.cpl
Password Properties - password.cpl
Performance Monitor - perfmon.msc
Performance Monitor - perfmon Phone and Modem Options - telephon.cpl
Power Configuration - powercfg.cpl
Regional Settings - intl.cpl
Registry Editor - regedit
Registry Editor - regedit32 Remote Desktop - mstsc
Removable Storage - ntmsmgr.msc
Removable Storage Operator Requests - ntmsoprq.msc
Resultant Set of Policy (XP Prof) - rsop.msc
Scanners and Cameras - sticpl.cpl
Scheduled Tasks - control schedtasks Security Center - wscui.cpl
Services - services.msc
Shared Folders - fsmgmt.msc
Shuts Down Windows - shutdown Sounds and Audio - mmsys.cpl
Spider Solitare Card Game - spider SQL Client Configuration - cliconfg
System Configuration Editor - sysedit
System Configuration Utility - msconfig
System Properties - sysdm.cpl
Task Manager - taskmgr
Telnet Client - telnet
User Account Management - nusrmgr.cpl
Utility Manager - utilman
Windows Firewall - firewall.cpl
Windows Magnifier - magnify
Windows Management Infrastructure - wmimgmt.msc
Windows System Security Tool - syskey
Windows Update Launches - wupdmgr
Windows XP Tour Wizard - tourstart
Wordpad - write

Mobile Codes

*3370# Activate Enhanced Full Rate Codec(EFR)
-Your phone uses the best sound quality but talk time is reduced by approx 5%

#3370# Deactivate Enhanced Full Rate Codec( EFR)

*#4720# Activate Half Rate Codec - Your phone uses a lower quality sound
but you should gain approx 30% more Talk Time

*#4720# Deactivate Half Rate Codec

2 *#0000# Displays your phones software version,

1st Line : SoftwareVersion,
2nd Line : Software ReleaseDate,
3rd Line : Compression Type

3 *#9999# Phones software v ersion if *#0000# does not work

4 *#06# For checking the International Mobile Equipment Identity (IMEI Number)

5 #pw+1234567890+1# Provider Lock Status.
(use the "*" button to obtain the "p,w" and "+" symbols)

6 #pw+1234567890+2# Network Lock Status.
(use the "*" button to obtain the "p,w" and "+" symbols)

7 #pw+1234567890+3# Country Lock Status.
(use the "*" button to obtain the "p,w" and "+" symbols)

8 #pw+1234567890+4# SIM Card Lock Status.
(use the "*" button to obtain the "p,w" and "+" symbols)

9 *#147# (vodafone) this lets you know who called you last *#1471# Last call (Only vodofone)

10 *#21# Allows you to check the number that "All Calls" are diverted To

11 *#2640# Displays security code in use

12 *#30# Lets you see the private number

13 *#43# Allows you to check the "Call Waiting" status of your phone.

14 *#61# Allows you to check the number that "On No Reply" calls are diverted to

15 *#62# Allows you to check the number that "Divert If Unrea chable(no service)" calls are diverted to

16 *#67# Allows you to check the number that "On Busy Calls" are diverted to

17 *#67705646# Removes operator logo on 3310 & 3330

18 *#73# Reset phone timers and game scores

19 *#746025625# Displays the SIM Clock status, if your phone supports this power saving feature
"SIM Clock Stop Allowed",it means you will get the best standby time possible

20 *#7760# Manufactures code

21 *#7780# Restorefa ctory settings

22 *#8110# Software version for the nokia 8110

23 *#92702689# (to rember *#WAR0ANTY#)

Displays -

1.Serial Number,
2.Date Made
3.Purchase Date,
4.Date of lastrepair (0000 for no repairs),
5.Transfer UserData.

To exit this mode-you need to switch your phone off then on again

24 *#94870345123456789# Deactivate the PWM-Mem

25 **21*number# Turn on "All Calls" diverting to the phone number entered

26 **61*number# Turn on "No Reply" diverting to the phone number entered

27 **67*number# Turn on "On Busy" diverting to the phone number entered

28 12345 This is the default security code press and hold # Lets you switch between lines

Would u like to know whether your phone is original or not

type * #06#

After you enter the code you will see a new code contain 15 digits:

43 4 5 6 6 1 0 6 7 8 9 4 3 5

- IF the digit number Seven & Eight is 02 or 20 that mean it was Assembly on
Emirates which is very Bad quality

- IF the digit number Seven & Eight is 08 or 80 that mean it¢s manufactured
in Germany which is not bad

- IF the digit number Seven & Eight is 01 or 10 that mean it¢s manufactured
in Finland which is Good

- IF the digit number Seven & Eight is 00 that mean it was manufactured in
original factory which is the best Mobile Quality ...

- IF the digit number Seven & Eight is 13 that mean it was Assembly on
Azerbaijan which is very Bad quality and very dangerous for health!!!

Brand Windows with your name

open notepad dump the following lines into it and save it with the name OEMINFO.INI in the c:\windows\system32 directory:
-------------------------------------------------------------------------------------
[General]
Manufacturer=Your Name Here
Model=Your Model Here
[Support Information]
Line1=Your Name Here
Line2=Your Address Here
Line3=Your Email Address Here

-------------------------------------------------------------------------------------

1. Save the file.

2. Then make a right click on my computer select properties, in the general tab a button will be highlighted (support information) make a click on it, you will be able to see the changes.

3. Now if you want to display some more information then simply increase the line in the file.

ex: Line4=Your Working Hours Here

Hidden commands in Windows XP

1- Private Character Editor
This program is for designing icons and Characters(Alphapet)
Click :start
Then :Run
type :EUDCEDIT


2- iExpress
This Program is for conerting your files to EXCUTABLE files
Click : start
Then : run
type : iexpress


3-Disk Cleanup
This program used for cleaning harddisk to offer space
Click : start
Then : run
type : cleanmgr


4-Dr Watson
This program Is for repairing problems in Windows
Click : start
Then : run
type : drwtsn32


5-Windows Media Player 5.1
Opens the old media player
Click : start
Then : run
type : mplay32

Program CODE

Character Map = charmap

DirectX diagnosis = dxdiag

Object Packager = packager

System Monitor = perfmon

Program Manager = progman

Remote Access phone book = rasphone

Registry Editor = regedt32

File siganture verification tool = sigverif

Volume Contro = sndvol32

System Configuration Editor = sysedit

Syskey = syskey

Microsoft Telnet Client = telnet

Top 10 educational sites for student

http://encarta.msn.com/
The free MSN Encarta site features more than 4,500 articles pooled from Microsoft Encarta, the award-winning electronic reference library, and comes with dictionaries, maps, fast facts, interactive quizzes, handy homework tools, and more.

http://www.refdesk.com/
Since 1995, Refdesk.com, which stands for "reference desk," has served as a one-click springboard to many of the Web's top dictionaries, encyclopedias, calculators, atlases, news headlines, and search engines. The site also includes a handy "homework helper" section that provides help in all subjects to students in every grade.

http://www.howstuffworks.com/
Ever wanted to know why earthquakes happen? How CD burners work? What the sun is made of? These questions, and a large amount of others related to computers/electronics, automobiles, science, entertainment, and people, are all answered at this award-winning Web site. Simply type a query into the search window or peruse the topics by category. Extras include free newsletters, surveys, and printable versions of all answers.

http://www.schoolnet.ca/
Established by the Canadian government, SchoolNet provides English or French links to other educational sites and learning resources. The "@SchoolNet Today" section serves as a handy news source covering the latest educational material, information, Web sites, projects, and contests.

http://www.download.com/
Consider Download.com the ultimate file repository that links to literally tens of thousands of downloadable free or shareware programs. This includes utilities for Windows, Macintosh, and Linux, Internet tools, desktop dictionaries and language translators, Pocket PC and Palm applications, and of course, computer games. Visitors can search by typing in a keyword or by perusing the many sections.

http://www.novelguide.com/
The Web's answer to those black- and yellow-striped Cliff Notes is Novelguide.com, a reliable and free source for literary analysis of classic and contemporary books such as Mark Twain's Huckleberry Finn and Fyodor Dostoyevsky's Notes from the Underground. The site offers character profiles, metaphor and theme analysis, and author biographies.

http://www.math.com/
This site provides help in a number of mathematics-related subjects, including basic grade-school math, calculus, algebra, geometry, trigonometry, and statistics. Practice exercises are automatically graded, plus this free site also features a glossary, calculators, homework tips, math games, and lesson plans for teachers.

http://www.freetranslation.com/
Sprechen Sie Deutsch? Perfect for language studies, this handy Web site automatically converts text from one language into another, such as English to Simplified Chinese or French to English. Simply type and paste up to 10,000 characters (about 1,800 words) into the search window and then select the desired language. Alternatively, you can cut and paste a Web URL to convert the entire site.

http://www.shakespeare-online.com/
This Web site can be filed in the "where was this when I was a kid?" category. On the aptly named Shakespeare Online site, visitors can read every play or poem from the world's most celebrated writer and, more importantly, make some sense of his works with free analysis, Old English language translations, and famous quotes.

http://www.sciencemadesimple.com/
Science classes—including the ubiquitous science project—aren't as easy for some to grasp as for others. At Science Made Simple, kids of all ages can get detailed answers to many of science's questions, read current news articles related to science, get ideas on school projects, and take advantage of unit conversion tables. Users can also find out if their school's textbooks pass the test.

Automatically close all non-responding programs

Windows XP can be set to automatically close any program that 'stops responding'
(crashes), eliminating the need for you to use the task manager to
close down the offending software manually.

Steps:Open REGEDIT and navigate to HKEY_CURRENT_USER\Control
Panel\ DesktopModify the REG_SZ entry AutoEndTasks with a value of 1

Note:Without having much knowledge in Registry Editor Dont try.
Before editing registry take a back up.
Back Up Registry:Start --> RunRegeditFile --> ExportAnd export the registry to the safe place.

Test your internet speed

http://www.speakeasy.net/speedtest/
http://www.speedtest.net/

Keyboard Shortcuts for internet

*Use the Backspace button to go back to the previous page

*Alt+Home buttons pressed at the same time go to the home page of the website you are viewing

*Press F5 to refresh the webpage you are viewing

*Ctrl+N to open a new browser window

*The F11 key changes your page to a full-screen view.

*Press Ctrl+P keys to send the print command for current whole page.

*Ctrl+H keys pressed together open your internet history.

*Press Ctrl+w or Alt+F4 keys to close the current browser window.

*Esc button to stop any page browsing.

Lock any Folder!!!!!!!!!!1

Follow these steps....

>>> Suppose you have a folder named abc in E:\abc

>>> In the same drive next to the folder create a new notepad file with the statement :
ren abc abc.{21EC2020-3AEA-1069-A2DD-08002B30309D}

>>> Now save this text file as lock.bat

>>> Now there are two batch files . Double click lock.bat and your folder will change into Control Panel and its contents cannot be viewed .
>>> To open the folder double click key.bat and you get back your original folder .

NOTE: For more Security keep the key.bat in another location .Only for unlocking copy paste to the original location and double click .

Change Text/Label of XP start button

Step 1 – Modify Explorer.exe File In order to make the changes, the file explorer.exe located at C:\Windows needs to be edited. Since explorer.exe is a binary file it requires a special editor. For purposes of this article I have used Resource Hacker. Which is used to view, modify, rename, add, delete and extract resources in 32bit Windows executables and resource files (*.res). To download it CLICK HERE

First make a backup copy of the file explorer.exe located at C:\Windows\explorer. Place it in a folder somewhere on your hard drive where it will be safe. Start Resource Hacker and open explorer.exe located at C:\Windows\explorer.exe.

Now navigate to the String Table. Now click on 37 and then on 1033


Instead of “start” just write the word you want to replace with start. Like “Aanchal”.

Now click to compile script button and then save the altered file bye any name you wish like explorerchanged.exe using the Save As command on the File Menu. Do not use the Save command .

Step 2 – Modify the Registry

Go to start , navigate to Run and type regedit in the Open: field. Navigate to: HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows NT\ CurrentVersion\ Winlogon In the right pane , double click the Shell entry to open the Edit String dialog box . In Value data: line, enter the name that was used to save the modified explorer.exe file. Click OK.


After rebooting your system you will see your text on the Start button.

Amazing Finding!!!!

Itz amazingDid you know that the flight number of the plane that had hit WTC ...on9/11 was Q33N ....Open your Notepad in ur computer and type the flightnumber i.e Q33N... Increase the Font Size to 72, Change the Font toWingdings. U will be amazed by the findings.

Cool Magics!!!!!!

MAGIC #1
An Indian discovered that nobody can create a FOLDER anywhere on theComputer which can be named as "CON". This is something prettyCool...and Unbelievable.... At Microsoft the whole Team, couldn'tanswer why thishappened!TRY IT NOW ,IT WILL NOT CREATE " CON " FOLDER

MAGIC #2
For those of you using Windows, do the following:
1.) Open an empty notepad file
2.) Type "Bush hid the facts" (without the quotes)
3.) Save it as whatever you want.
4.) Close it, and re-open it.is it just a really weird bug? :-??

MAGIC #3
Microsoft crazy factsThis is something pretty cool and neat...and unbelievable...At Microsoft the whole Team, including Bill Gates, couldn't answer whythis happened!It was discovered by a Brazilian. Try it out yourself...Open Microsoft Word and type=rand (200, 99)And then press ENTERThen see the magic...............................

Amazing Facts

*A company, Warner Communications paid $28 million for the copyright to the song "Happy Birthday".
*Elephants are the only animals that cannot jump
*The liquid inside young coconuts can be used as substitute for blood plasma
*The first product to have a bar code was Wrigley's gum.
*TYPEWRITER is the longest word that can be made using the letters only on one row of the keyboard
*The longest place-name still in use is Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwe-nuakit natahu, a New Zealand hill. ...
*Its impossible to sneeze with ur eyes open !!!
*An ostrich's eye is bigger than its brain...
*A cow gives nearly 200,000 glasses of milk in her lifetime.
*A giraffe can clean its ears with its 21-inch tongue!
*The average person laughs 10 times a day!
*Owls are the only birds who can see the colour blue.
*Dolphins sleep with one eye open!
*Some worms will eat themselves if they can't find any food!
*You're born with 300 bones, but by the time you become an adult, you only have 206
*The placement of a donkey's eyes in its' heads enables it to see all four feet at all times!
*Camels have three eyelids to protect themselves from blowing sand.
*Fingernails grow nearly 4 times faster than toenails! Most dust particles in your house are made from dead skin!
*Like fingerprints, everyone's tongue print is different!
*One quarter of the bones in your body, are in your feet!
*There is a city called Rome on every continent.
*The dot over the letter 'i' is called a tittle.

Your Cellphone can do this!!!!

Emergency
==> The Emergency Number worldwide for Mobile is 112. If you find yourself out of coverage area of your mobile network and there is an emergency, dial 112 and the mobile will search any existing network to establish the emergency number for you, and interestingly this number 112 can be dialled even if the keypad is locked. Try it out. I’ve tried it myself & it works in India.

Hidden Battery power
==>Imagine your cell battery is very low, you are expecting an important call and you don’t have a charger. Some Nokia instruments comes with a reserve battery. To activate, press the keys *3370# Your cell will restart with this reserve and the instrument will show a 50% increase in battery. This reserve will get charged when you charge your cell next time.

How to disable a STOLEN mobile phone?
==>To check your Mobile phone’s IMEI serial number, key in the following digits on your phone: * # 0 6 #A 15 digit code will appear on the screen. This number is unique to your handset. Write it down and keep it somewhere safe. When your phone get stolen, you can phone your service provider and give them this code. They will then be able to block your handset so even if the thief changes the SIM card, your phone will be totally useless.

Have you locked your keys in the car? Does your car have remote keys?
==>This may come in handy someday. Good reason to own a cell phone:If you lock your keys in the car and the spare keys are at home, call Someone at home on their cell phone from your cell phone. Hold your cell phone about a foot from your car door and have the person at your home press the unlock button, holding it near the mobile phone on their end. Your car will unlock. Saves someone from having to drive your keys to you. Distance is no object. You could be hundreds of miles away, and if you can reach someone who has the other “remote” for your car, you can unlock the doors (or the trunk).

Mathe - Magic!!!! Mystery in 37

3*37 = 111 and 1+1+1 =3. 111/(1+1+1)=37

6*37 = 222 and 2+2+2 =6. 222/(2+2+2)=37

9*37 = 333 and 3+3+3 =9. 333/(3+3+3)=37

12*37 = 444 and 4+4+4 =12. 444/(4+4+4)=37

15*37 = 555 and 5+5+5 =15. 555/(5+5+5)=37

18*37 = 666 and 6+6+6 =18. 666/(6+6+6)=37

21*37 = 777 and 7+7+7 =21. 777/(7+7+7)=37

24*37 = 888 and 8+8+8 =24. 888/(8+8+8)=37

27*37 = 999 and 9+9+9 =27. 999/(9+9+9)=37

A Curious Calculation !!!!

1*9 + 2=11
12*9 + 3=111
123*9 + 4=1111
1234*9 + 5=11111
12345*9 + 6=111111
123456*9 +7=1111111
1234567*9 +8=11111111
12345678*9 +9=111111111
123456789*9 +10=1111111111

TRY THIS IN PAINT!!!!!!!!!!!! START A MOVIE PLAYER IN PAINT

=>First start a movie in any player.*
=>Then open Paint.*
=>Now, in the player when the movie is being played, press "Print screen" button on your key board.*
=>Now, Press ctrl+v in Paint*
=>Leave the movie player open and don't minimize it.*
=>Open Paint now and see the movie in the Paint!

Cleaning your computer in 12 easy ways:

Here are a few simple tips that will keep you in the clear....

1.) To clean your computer case, first unplug your system power from the electrical outlet. Remove all the cables and connectors from the back side of your computer. The computer will require the fans to be blown out as well. Some PCs have multiple fans: one on the processor and one or two on the power supply. Make sure you clean them all. The best thing to use is probably compressed air. Just blow that air all around the hardware components, while keeping the nozzle at least four to five inches away from the main board components.

2.) Another good alternative to compressed air is to use a portable battery powered vacuum that can effectively remove the dust, dirt and hair from the motherboard and prevent it from getting trapped within the case. However, do not use a standard electricity powered vacuum, as it can cause a lot of static electricity that can damage your computer. When using the vacuum, it is vital that you stay a couple inches away from the motherboard and all the other components to help prevent contact, as well as, to help prevent anything from being sucked into the vacuum. Ensure that you do not remove any small components with the vacuum, such as jumpers.

3.) To clean your keyboard, pick up a can of compressed air at your local office supply store. In case you're not sure, compressed air is a handy invention that forces air from a can out through a long thin straw. You can use it to clean out dust and debris on your keyboard, without having to take the whole thing apart. Be careful not to blow dust into your hard drive though, as that may cause damage to your machine. It's a good idea to turn the keyboard upside down and give it a few good shakes before you use it again. If you're brave, you can pop off the keys and soak them in a solution of ammonia and water, but be careful, because not all the keys come off easily. If you feel resistance, stop!

4.) If you feel the need to test fate, you can pull out the memory and other cards from your computer and gently rub a pencil eraser on the contacts before putting them back in. However, don't pull any cards out unless you're having problems reaching certain areas.

5.) Remember, never open a CRT monitor. Even when it's unplugged, they retain enough current to seriously harm you.

6.) When cleaning the inside of your computer (motherboard, etc.), make sure your computer is off. Also, never place your computer on the ground. You should always use a computer table or shelf while you're cleaning.

7.) Only use an air duster/canned air to remove dust from your computer's components. It's best to do it outside as well so that it doesn’t end up all over your house!

8.) When cleaning your monitor, make sure you do so with a clean rag and only use cleaning agents designed for electronics.

9.) When you're finished with the inside, use a lightly dampened cloth or paper towel to wipe off the outside of your computer case. Gently wipe down the casing using Q-Tips to clean small places like vent holes and disk drive openings.

10.) Never clean the inside computer components or other circuit boards with a damp or wet cloth.

11.) Wipe down the outside of your mouse with a slightly damp cloth. Next, unscrew the ring from the bottom of your mouse and remove the ball. Dust off the ball with a soft cloth and look inside the cavity of your mouse. There will probably be some dust clinging to the rollers that move the ball and you can just scrape that out with a Q-Tip. When you're finished, replace the ball and ring. Optical mice will require little maintenance, but ball mice can be disassembled. Clean the ball itself, as well as, the X and Y axis rollers.

12.) To keep your computer looking clean longer, purchase an inexpensive plastic covering for your equipment!

If you follow all of these guidelines, your computer and all of its equipment will shine like new!

Cleaning your computer in 12 easy ways:

Here are a few simple tips that will keep you in the clear....

1.) To clean your computer case, first unplug your system power from the electrical outlet. Remove all the cables and connectors from the back side of your computer. The computer will require the fans to be blown out as well. Some PCs have multiple fans: one on the processor and one or two on the power supply. Make sure you clean them all. The best thing to use is probably compressed air. Just blow that air all around the hardware components, while keeping the nozzle at least four to five inches away from the main board components.

2.) Another good alternative to compressed air is to use a portable battery powered vacuum that can effectively remove the dust, dirt and hair from the motherboard and prevent it from getting trapped within the case. However, do not use a standard electricity powered vacuum, as it can cause a lot of static electricity that can damage your computer. When using the vacuum, it is vital that you stay a couple inches away from the motherboard and all the other components to help prevent contact, as well as, to help prevent anything from being sucked into the vacuum. Ensure that you do not remove any small components with the vacuum, such as jumpers.

3.) To clean your keyboard, pick up a can of compressed air at your local office supply store. In case you're not sure, compressed air is a handy invention that forces air from a can out through a long thin straw. You can use it to clean out dust and debris on your keyboard, without having to take the whole thing apart. Be careful not to blow dust into your hard drive though, as that may cause damage to your machine. It's a good idea to turn the keyboard upside down and give it a few good shakes before you use it again. If you're brave, you can pop off the keys and soak them in a solution of ammonia and water, but be careful, because not all the keys come off easily. If you feel resistance, stop!

4.) If you feel the need to test fate, you can pull out the memory and other cards from your computer and gently rub a pencil eraser on the contacts before putting them back in. However, don't pull any cards out unless you're having problems reaching certain areas.

5.) Remember, never open a CRT monitor. Even when it's unplugged, they retain enough current to seriously harm you.

6.) When cleaning the inside of your computer (motherboard, etc.), make sure your computer is off. Also, never place your computer on the ground. You should always use a computer table or shelf while you're cleaning.

7.) Only use an air duster/canned air to remove dust from your computer's components. It's best to do it outside as well so that it doesn’t end up all over your house!

8.) When cleaning your monitor, make sure you do so with a clean rag and only use cleaning agents designed for electronics.

9.) When you're finished with the inside, use a lightly dampened cloth or paper towel to wipe off the outside of your computer case. Gently wipe down the casing using Q-Tips to clean small places like vent holes and disk drive openings.

10.) Never clean the inside computer components or other circuit boards with a damp or wet cloth.

11.) Wipe down the outside of your mouse with a slightly damp cloth. Next, unscrew the ring from the bottom of your mouse and remove the ball. Dust off the ball with a soft cloth and look inside the cavity of your mouse. There will probably be some dust clinging to the rollers that move the ball and you can just scrape that out with a Q-Tip. When you're finished, replace the ball and ring. Optical mice will require little maintenance, but ball mice can be disassembled. Clean the ball itself, as well as, the X and Y axis rollers.

12.) To keep your computer looking clean longer, purchase an inexpensive plastic covering for your equipment!

If you follow all of these guidelines, your computer and all of its equipment will shine like new!

To avoid automatically playing an Audio cd..Check this out

Don't want a CD to start just yet? Hold down the Shift key when you put it in the drive. Then it won't start automatically!

To avoid automatically playing an Audio cd..Check this out

Don't want a CD to start just yet? Hold down the Shift key when you put it in the drive. Then it won't start automatically!

Ctrl + Esc to open the Start Menu without using mouse

==>Tap CTRL + Esc to open your Start menu. No mouse needed!

Google tracks yr search keywords

Did you know that Google stores a unique identifier in a cookie on your PC, which allows them to track the keywords you search for? They use this information to compile reports, track user habits, and test features. In the future, it is possible but not for sure that they could sell this information or share it with others. If one Google cookie wasn't enough, some computers have several installed.




G-Zapper is a utility to help you stay anonymous while searching Google. G-Zapper will read the Google cookie(s) installed on your PC, display the date it was installed, and determine how long your searches have been tracked. G-Zapper allows you to delete or entirely block the Google search cookie from future installation. It's easy to use and if you're a person who hates being tracked for surfing habits, then G-Zapper can be useful to you.

G-Zapper is available in two versions. The Free Edition and Professional Edition.

G-Zapper Free Edition is free for unlimited personal use. Users may install the software on all personal computers they own. Search cookies are blocked from Google in Microsoft Internet Explorer and Mozilla Firefox.

G-Zapper Professional Edition is available as an upgrade for the price of $19.95. The Professional version is able to block search cookies from other popular search engines including Yahoo, MSN, Ask, and more, selectively block cookies from any

[ DOWNLAOD FREE TRAIL]

WEBCAM MAX 4.2.1.4

WebcamMax 4.2.1.4 | 21,4 MB
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INTRODUCTION TO ROBOTICS - I ( DC MOTOR )

Whenever a robotics hobbyist talk about making a robot, the first thing comes to his mind is making the robot move on the ground. And there are always two options in front of the designer whether to use a DC motor or a stepper motor. When it comes to speed, weight, size, cost... DC motors are always preffered over stepper motors. There are many things which you can do with your DC motor when interfaced with a microcontroller. For example you can control the speed of motor, you can control the direction of rotation, you can also do encoding of the rotation made by DC motor i.e. keeping track of how many turns are made by your motors etc. So you can see DC motors are no less than a stepper motor.

In this part of tutorial we will learn to interfacing a DC motor with a microcontroller. Usually H-bridge is preffered way of interfacing a DC motor. These days many IC manufacturers have H-bridge motor drivers available in the market like L293D is most used H-Bridge driver IC. H-bridge can also be made with the help of trasistors and MOSFETs etc. rather of being cheap, they only increase the size of the design board, which is somtimes not required so using a small 16 pin IC is preffered for this purpose.

►Working Theory of H-Bridge

The name "H-Bridge" is derived from the actual shape of the switching circuit which control the motoion of the motor. It is also known as "Full Bridge". Basically there are four switching elements in the H-Bridge as shown in the figure below.

As you can see in the figure above there are four switching elements named as "High side left", "High side right", "Low side right", "Low side left". When these switches are turned on in pairs motor changes its direction accordingly. Like, if we switch on High side left and Low side right then motor rotate in forward direction, as current flows from Power supply through the motor coil goes to ground via switch low side right. This is shown in the figure below.

Similarly, when you switch on low side left and high side right, the current flows in opposite direction and motor rotates in backward direction. This is the basic working of H-Bridge. We can also make a small truth table according to the switching of H-Bridge explained above.

Truth Table
High Left	High Right	Low Left	Low Right	Description
On	Off	Off	On	Motor runs clockwise
Off	On	On	Off	Motor runs anti-clockwise
On	On	Off	Off	Motor stops or decelerates
Off	Off	On	On	Motor stops or decelerates

As already said, H-bridge can be made with the help of trasistors as well as MOSFETs, the only thing is the power handling capacity of the circuit. If motors are needed to run with high current then lot of dissipation is there. So head sinks are needed to cool the circuit.

Now you might be thinkin why i did not discuss the cases like High side left on and Low side left on or high side right on and low side right on. Clearly seen in the diagra, you don't want to burn your power supply by shorting them. So that is why those combinations are not discussed in the truth table.

So we have seen that using simple switching elements we can make our own H-Bridge, or other option we have is using an IC based H-bridge driver. Both of them are discussed in the next section of the tutorial.

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