Mind Bobbling: 2010

Monday 6 September 2010

Linear control System

Linear Control System Notes
By biswajit16.blogspot.com

Links.

http://hotfile.com/dl/67357173/bd5d93b/1introtolinearcontrolsystems.pdf.html
http://hotfile.com/dl/67357260/668f435/1st_orde.pdf.html
http://hotfile.com/dl/67357176/6d07435/4complexnumbers.pdf.html
http://hotfile.com/dl/67357179/02c2952/5complexnumbers.pdf.html
http://hotfile.com/dl/67357210/e14accc/6straightlinebodeplots.pdf.html
http://hotfile.com/dl/67357239/7c9808a/7secondordersystems.pdf.html
http://hotfile.com/dl/67357227/bb29ae9/8rootlocusconstruction.pdf.html
http://hotfile.com/dl/67357258/3bd4286/9nyquiststability.pdf.html
http://hotfile.com/dl/67357192/1d80730/Another20Masons20Rule20Example.pdf.html
http://hotfile.com/dl/67357175/8010a0e/antennaazimuth.pdf.html
http://hotfile.com/dl/67357184/c5cfccd/AppofLaplace.pdf.html
http://hotfile.com/dl/67357190/6876dc9/blockdiagram.pdf.html
http://hotfile.com/dl/67357216/6df56c0/blockdiagramreduction.pdf.html
http://hotfile.com/dl/67357207/49cb918/bodediagramexample.pdf.html
http://hotfile.com/dl/67357182/5bd94d3/cauchy.pdf.html
http://hotfile.com/dl/67357235/c3a165c/contolsystemsensitivity.pdf.html
http://hotfile.com/dl/67357266/942e434/derivationofaschematicforadcmotor.pdf.html
http://hotfile.com/dl/67357233/643f355/diturbancerejection.pdf.html
http://hotfile.com/dl/67357185/726760a/final_value_theorum.pdf.html
http://hotfile.com/dl/67357240/f0f8039/firstandsecondordersystems.pdf.html
http://hotfile.com/dl/67357180/260361b/frequencyresponse.pdf.html
http://hotfile.com/dl/67357249/5544043/gainandphasemargin.pdf.html
http://hotfile.com/dl/67357298/046be95/Laplace20transform.pdf.html
http://hotfile.com/dl/67357189/c62e072/Linearization.pdf.html
http://hotfile.com/dl/67357186/7518704/masonsrule.pdf.html
http://hotfile.com/dl/67357247/7ad20e0/nyquistdiagramsummary.pdf.html
http://hotfile.com/dl/67357251/edd653c/nyquiststabilitycriterionwithexample3-04-03.pdf.html
http://hotfile.com/dl/67357263/47b9a49/opamps.pdf.html
http://hotfile.com/dl/67357243/e4a0db4/problem10.8.1.3drawnyquistdiagram.pdf.html
http://hotfile.com/dl/67357268/5295376/relatingnyquistdiagrambodediagramsrootlocus.pdf.html
http://hotfile.com/dl/67357237/2e0a344/response_first_grade_systems.pdf.html
http://hotfile.com/dl/67357244/950291b/rootdesignexample.pdf.html
http://hotfile.com/dl/67357245/7e8dcf9/rootlocus.pdf.html
http://hotfile.com/dl/67357229/f5ac733/rootlocusexamples.pdf.html
http://hotfile.com/dl/67357226/e6b102d/routh.pdf.html
http://hotfile.com/dl/67357196/edf40ef/servosystems.pdf.html
http://hotfile.com/dl/67357253/70bed80/stabilityexample.pdf.html
http://hotfile.com/dl/67357221/2bc1e82/statevariablemodels.pdf.html
http://hotfile.com/dl/67357242/8b55441/steadystateerror.pdf.html
http://hotfile.com/dl/67357212/ffec98e/straightlinebodediagram.pdf.html
http://hotfile.com/dl/67357267/3333fbd/straightlinebodediagramtotransferfunction.pdf.html
http://hotfile.com/dl/67357215/16a6d1d/straightlinebodeexample.pdf.html
http://hotfile.com/dl/67357194/f2679db/straightlinebodeplotspart1.pdf.html
http://hotfile.com/dl/67357223/99577c8/SUSystems.pdf.html
http://hotfile.com/dl/67357222/e8db05d/systemstability.pdf.html
http://hotfile.com/dl/67357219/a4054c2/theservomotor.pdf.html
http://hotfile.com/dl/67357220/855f497/transferfunction.pdf.html
http://hotfile.com/dl/67357230/e8eb0e7/variousrootlocusplots.pdf.html

Vedic Mathematics Notes

Vedic Mathematics Notes
By biswajit16.blogspot.com

Vedic Mathematics is an essential part of our student life.
Lets elaborate the knowledge of Vedic Mathematics.

Links:

(OpenDrive)
VedicMathematics1
VedicMathematics2
VedicMathematics3
VedicMathematics4

(HOTFILE)
VM1
VM2
VM3
VM4

LINUX Notes

Linux PPT Lectures

By Biswajit16.blogspot.com

These are the collection of lectures notes . Our subjective is to help students to find all engineering notes with different lectures slides in power point, pdf or html file at one place. Because we always face that we lose much time by searching in Google or yahoo like search engines to find or downloading a good lecture notes in our subject area. Also it is difficult to find popular authoress or books slides with free of cost.

Links(HotFile)

Hot File Link 25.5 MB(14 files)

Another Links(OpenDrive)

linux_lecture1
linux_lecture2
linux_lecture3
linux_lecture4
linux_lecture5
linux_lecture6
linux_lecture7
linux_lecture8
linux_lecture9
linux_lecture10
linux_lecture11
linux_lecture12
linux_lecture13
linux_lecture14

Monday 2 August 2010

25 Facts that you may not know

25 Facts that you may not know

1. Apples, not caffeine, are more efficient at waking you up in the morning.
2. Alfred Hitchcock didn't have a belly button.
3. A pack-a-day smoker will lose approximately 2 teeth every 10 years.
4. People do not get sick from cold weather; it's from being indoors a lot more.
5. When you sneeze, all bodily functions stop, even your heart!
6. Only 7 per cent of the population are lefties.
7. Forty people are sent to the hospital for dog bites every minute.
8. Babies are born without kneecaps. They don't appear until they are 2-6 years old.
9. The average person over 50 will have spent 5 years waiting in lines.
10. The toothbrush was invented in 1498.
11. The average housefly lives for one month.
12. 40,000 Americans are injured by toilets each year.
13. A coat hanger is 44 inches long when straightened.
14. The average computer user blinks 7 times a minute.
15. Your feet are bigger in the afternoon than any other time of day.
16. Most of us have eaten a spider in our sleep.
17. The REAL reason ostriches stick their head in the sand is to search for water.
18. The only two animals that can see behind themselves without turning their heads are the rabbit and the parrot.
19.John Travolta turned down the starring roles in "An Officer and a Gentleman" and "Tootsie."
20. Michael Jackson owns the rights to the South Carolina State anthem.
21. In most television commercials advertising milk, a mixture of white paint and a little thinner is used in place of the milk.
22. Prince Charles and Prince William NEVER travel on the same Airplane, just in case there is a crash.
23. The first Harley Davidson motorcycle built in 1903 used a tomato can for a carburetor.
24. Most hospitals make money by selling the umbilical cords cut from women who give birth. They are used in vein transplant surgery.
25. Humphrey Bogart was related to Princess Diana. They were 7th cousins.

30 Amazing Facts About Internet & WWW

1. Since Google’s centerpiece in search technology was patented by Stanford University (on behalf of the founders Larry Page & Sergey Brin), Google gave Stanford 1.8 million shares for exclusive right to the patent that the university later sold for a staggering $336 million.

2. Google earns 97 percent of its revenues from advertising alone. This amounts to $20 billion.

3. Did you know that Google logs each search queries into its systems to enhance future searches?

4. They have found in user testing, that a small number of people are very typical of the larger user base. They run labs continually and always monitor how people use a page of results.

5. Google has the largest network of translators in the world; this is needed for continuously integrating searches and indexing web pages into their engine.

6. The reason Orkut doesn’t look or feel like a Google application was that the designer in-charge was given free reign to do things his way without the usual company procedures. Google is looking to improve Orkut’s resource utilization however.

7. Google makes small changes on their products very often. They sometimes try a particular feature with a set of users from a given network or region; for example Excite@Home users often get to see new features. They aren’t told of this, just presented with the new UI and observed how they use it.

8. The infamous “I feel lucky” is nearly never used. However, in traits it was found that removing it would somehow reduce the Google experience. Users wanted it to be kept. It was like a comfort button.

9. When Google was founded, Sergey Brin and Larry Page, the founders tossed a coin to decide what position they would take.

10. Notice the logos appearing on your Google homepage around major events or holidays? This is known as the Google Doodle. The first one was dedicated to the Burning Man festival in 1998. You can check out past Google doodles at google.com/logos.

11. By July 2008, Google had indexed an astounding 1 trillion (1000000000000) pages on the Internet.

12. Heard of Mentaplex? It was an April fool’s joke that Google could read peoples minds and search the Internet for what they were thinking of. The joke also included broadband access wires coming out from people’s toilet bowls! Try it out at http://www.google.com/mentalplex

13. Larry Page, the co founder of Google once made an inkjet printer out of Lego blocks when he was in college.

14. There are more then 600 million phones. Even then, more than half the population of the entire world hasn’t yet made a phone call.

15. All three founders of YouTube, Steve Chen, Chad Hurley and Jawed Karim were working for PayPal when they started YouTube.

16. Did you know that the domain YouTube.com was registered on Valentine's Day (February 14, 2005)

17. YouTube loves young Americans? Here’s proof: 70 percent of the YouTube’s registered users are from USA and half of YouTube users are under 20 years old.

18. If YouTube was Hollywood, they have enough material to release 60,000 new films every week.

19. One of the biggest leaps in Google’s search engine usage came about when they introduced their much improved spell checker giving birth to the “Did you mean…” This instantly doubled their traffic.

20. The total amount of bandwidth used by YouTube is about the same as used by entire Internet in 2000.

21. One needs over 1000 years of time to watch all videos on YouTube (but there will be billion of more videos uploaded on YouTube by then.)

22. Most popular category for uploder videos is ‘Music’ having around 20 percent YouTube videos.

23. Gmail was internally used for nearly 2 years prior to launch to the public. They discovered there were approximately 6 types of email users, and Gmail has been designed to accommodate all of these.

24. United States uses upload most of YouTube videos followed by UK. Americans are also the number-one watchers of YouTube videos followed by Japan.

25. The first ever video that was uploaded on YouTube is by Jawed Karim (one of YouTube founders) titled “Me at zoo” on April 23^rd, 2005. This video is all of 18 seconds long.

26. There isn’t any restriction for proper dress code in the Google offices. This is to ensure comfort and a productive working environment. So one may dress up in pajamas or even as a superhero.

27. Tom Vendetta is the youngest Google employee ever hired. He was hired by Google when he was just 15 years old. Vendetta used to fool his friends by sending fake press releases and news. Vendetta was employed because he was young and would know young hackers thought. His job was to help address security flaws in Gmail.

28. Google consists of over 450,000 servers, racked up in clusters located in data centers around the world.

29. The first ever search engine was called “Archie” and was created way back in 1990 by a Canadian student Alan Emtage.

30. In 2007, Google became the most visited website with 700 million users. It beat the next popular website, Microsoft.com by over 200 million hits. In March 2010, Facebook overtook Google!

10 Interesting Facts About NOKIA

10 Interesting Facts About NOKIA

1) The ringtone "Nokia tune" is actually based on a 19th century guitar work named "Gran Vals" by Spanish musician Francisco Tárrega. The Nokia Tune was originally named "Grande Valse" on Nokia phones but was changed to "Nokia Tune" around 1998 when it became so well known that people referred to it as the "Nokia Tune."

2) The world's first commercial GSM call was made in 1991 in Helsinki over a Nokia-supplied network, by Prime Minister of Finland Harri Holkeri, using a Nokia phone.

3) Nokia is currently the world's largest digital camera manufacturer, as the sales of its camera-equipped mobile phones have exceeded those of any conventional camera manufacturer.

4) The "Special" tone available to users of Nokia phones when receiving SMS (text messages) is actually Morse code for "SMS". Similarly, the "Ascending" SMS tone is Morse code for "Connecting People," Nokia's slogan. The "Standard" SMS tone is Morse code for "M" (Message).

5) The Nokia corporate font (typeface) is the AgfaMonotype Nokia Sans font, originally designed by Eric Spiekermann. Its mobile phone User's Guides Nokia mostly used the Agfa Rotis Sans font.

6) In Asia, the digit 4 never appears in any Nokia handset model number, because 4 is considered unlucky in many parts of Southeast/East Asia.

7) Nokia was listed as the 20th most admirable company worldwide in Fortune's list of 2006 (1st in network communications, 4th non-US company).

8) Unlike other modern day handsets, Nokia phones do not automatically start the call timer when the call is connected, but start it when the call is initiated. (Except for Series 60 based handsets like the Nokia 6600)

9) Nokia is sometimes called aikon (Nokia backwards) by non-Nokia mobile phone users and by mobile software developers, because "aikon" is used in various SDK software packages, including Nokia's own Symbian S60 SDK.

10) The name of the town of Nokia originated from the river which flowed through the town. The river itself, Nokianvirta, was named after the old Finnish word originally meaning sable, later pine marten.

Friday 23 July 2010

A fast way to sum a series of numbers

A fast way to sum a series of numbers
@(biswajit16.blogspot.com)

Here's a quick way to sum a sequential series of numbers.

If you want to add a sequential series of numbers you may do so by multiplying the exact middle number by the number of them to be added, such as:

10+11+12+13+14+15+16+17+18+19+20 = 15 x11 = 165

15 = the middle number in the series
11 = the number of numbers in the series

Notice the above sequence had an odd number of items, so it had an exact middle number. What about a sequential series with an even number of items? Simply take the average of the middle TWO numbers, like so:

26+27+28+29+30+31+32+33+34+35 = ((30 + 31)/2) x 10 = 30.5 x 10 = 305

30.5 = (30 + 31)/2 = the average of the middle two numbers in the series
10 = the number of numbers in the series

Thursday 3 June 2010

A 2 Z DOS commands

by biswajit16@blogspot.com

Here are list of some useful DOS commands. May be you know some of them and don’t know others. So just go through them.

ADDUSERS Add or list users to / from a CSV file.

ARP Address Resolution Protocol

ASSOC Change file extension associations.

ASSOCIAT One step file association.

AT Schedule a command to run at a later time.

ATTRIB Change file attributes.

BOOTCFG Edit Windows boot settings.

BROWSTAT Get domain, browser and PDC info.

CACLS Change file permissions.

CALL Call one batch program from another.

CD Change Directory - move to a specific Folder.

CHANGE Change Terminal Server Session properties.

CHKDSK Check Disk - check and repair disk problems.

CHKNTFS Check the NTFS file system.

CHOICE Accept keyboard input to a batch file.

CIPHER Encrypt or Decrypt files/folders.

CleanMgr Automated cleanup of Temp files, recycle bin.

CLEARMEM Clear memory leaks.

CLIP Copy STDIN to the Windows clipboard.

CLS Clear the screen.

CLUSTER Windows Clustering.

CMD Start a new CMD shell.

COLOR Change colors of the CMD window.

COMP Compare the contents of two files or sets of files.

COMPACT Compress files or folders on an NTFS partition.

COMPRESS Compress individual files on an NTFS partition.

CON2PRT Connect or disconnect a Printer.

CONVERT Convert a FAT drive to NTFS.

COPY Copy one or more files to another location.

CSCcmd Client-side caching (Offline Files).

CSVDE Import or Export Active Directory data.

DATE Display or set the date.

Dcomcnfg DCOM Configuration Utility.

DEFRAG Defragment hard drive.

DEL Delete one or more files.

DELPROF Delete NT user profiles.

DELTREE Delete a folder and all subfolders

DevCon Device Manager Command Line Utility.

DIR Display a list of files and folders.

DIRUSE Display disk usage.

DISKCOMP Compare the contents of two floppy disks.

DISKCOPY Copy the contents of one floppy disk to another.

DISKPART Disk Administration.

DNSSTAT DNS Statistics.

DOSKEY Edit command line, recall commands, and create macros.

DSADD Add user (computer, group..) to active directory.

DSQUERY List items in active directory.

DSMOD Modify user (computer, group..) in active directory.

CHO Display message on screen.

ENDLOCAL End localisation of environment changes in a batch file.

ERASE Delete one or more files.

EXIT Quit the current script/routine and set an errorlevel.

EXPAND Uncompress file.

EXTRACT Uncompress CAB files.

FC Compare two files.

FIND Search for a text string in a file.

FINDSTR Search for strings in files.

FOR /F Loop command: against a set of files.

FOR /F Loop command: against the results of another command.

FOR Loop command: all options Files, Directory, List.

FORFILES Batch process multiple files.

FORMAT Format a disk.

FREEDISK Check free disk space (in bytes).

FSUTIL File and Volume utilities.

FTP File Transfer Protocol.

FTYPE Display or modify file types used in file extension associations.

GLOBAL Display membership of global groups.

GOTO Direct a batch program to jump to a labelled line.

HELP Online Help.

IF Conditionally perform a command.

IFMEMBER Is the current user in an NT Workgroup.

IPCONFIG Configure IP.

KILL Remove a program from memory.

LABEL Edit a disk label.

LOCAL Display membership of local groups.

LOGEVENT Write text to the NT event viewer.

LOGOFF Log a user off

LOGTIME Log the date and time in a file

MAPISEND Send email from the command line.

MBSAcli Baseline Security Analyzer.

MEM Display memory usage.

MD Create new folders.

MKLINK Create a symbolic link (linkd).

MODE Configure a system device.

MORE Display output, one screen at a time.

MOUNTVOL Manage a volume mount point.

MOVE Move files from one folder to another.

MOVEUSER Move a user from one domain to another.

MSG Send a message.

MSIEXEC Microsoft Windows Installer.

MSINFO Windows NT diagnostics.

MSTSC Terminal Server Connection (Remote Desktop Protocol).

MUNGE Find and Replace text within file(s).

MV Copy in-use files.

NET Manage network resources.

NETDOM Domain Manager.

NETSH Configure network protocols.

NETSVC Command-line Service Controller.

NBTSTAT Display networking statistics (NetBIOS over TCP/IP).

NETSTAT Display networking statistics (TCP/IP).

NOW Display the current Date and Time.

NSLOOKUP Name server lookup.

NTBACKUP Backup folders to tape.

NTRIGHTS Edit user account rights.

PATH Display or set a search path for executable files.

PATHPING Trace route plus network latency and packet loss.

PAUSE Suspend processing of a batch file and display a message.

PERMS Show permissions for a user.

PERFMON Performance Monitor.

PING Test a network connection.

POPD Restore the previous value of the current directory saved by PUSHD.

PORTQRY Display the status of ports and services.

PRINT Print a text file.

PRNCNFG Display, configure or rename a printer.

PRNMNGR Add, delete, list printers set the default printer.

PROMPT Change the command prompt.

PsExec Execute process remotely.

PsFile Show files opened remotely.

PsGetSid Display the SID of a computer or a user

PsInfo List information about a system.

PsKill Kill processes by name or process ID.

PsList List detailed information about processes.

PsLoggedOn Who's logged on (locally or via resource sharing).

PsLogList Event log records.

PsPasswd Change account password.

PsService View and control services.

PsShutdown Shutdown or reboot a computer.

PsSuspend Suspend processes.

PUSHD Save and then change the current directory.

QGREP Search file(s) for lines that match a given pattern.

RASDIAL Manage RAS connections.

RASPHONE Manage RAS connections.

RECOVER Recover a damaged file from a defective disk..

REG Registry: Read, Set, Export, Delete keys and values.

REGEDIT Import or export registry settings.

REGSVR32 Register or unregister a DLL.

REGINI Change Registry Permissions.

REM Record comments (remarks) in a batch file.

REN Rename a file or files.

REPLACE Replace or update one file with another.

RD Delete folder(s).

RMTSHARE Share a folder or a printer.

ROBOCOPY Robust File and Folder Copy.

ROUTE Manipulate network routing tables.

RUNAS Execute a program under a different user account.

RUNDLL32 Run a DLL command (add/remove print connections).

SC Service Control.

SCHTASKS Create or Edit Scheduled Tasks.

SCLIST Display NT Services.

SET Display, set, or remove environment variables.

SETLOCAL Control the visibility of environment variables.

SETX Set environment variables permanently.

SHARE List or edit a file share or print share.

SHIFT Shift the position of replaceable parameters in a batch file.

SHORTCUT Create a windows shortcut (.LNK file).

SHOWGRPS List the NT Workgroups a user has joined.

SHOWMBRS List the Users who are members of a Workgroup.

SHUTDOWN Shutdown the computer.

SLEEP Wait for x seconds.

SOON Schedule a command to run in the near future.

SORT Sort input.

START Start a program or command in a separate window

SU Switch User.

SUBINACL Edit file and folder Permissions, Ownership and Domain

SUBST Associate a path with a drive letter.

SYSTEMINFO List system configuration.

TASKLIST List running applications and services.

TASKKILL Remove a running process from memory.

TIME Display or set the system time.

TIMEOUT Delay processing of a batch file.

TITLE Set the window title for a CMD.EXE session.

TLIST Task list with full path.

TOUCH Change file timestamps.

TRACERT Trace route to a remote host.

TREE Graphical display of folder structure.

TYPE Display the contents of a text file.

USRSTAT List domain usernames and last login.

VER Display version information.

VERIFY Verify that files have been saved.

VOL Display a disk label.

WHERE Locate and display files in a directory tree.

WHOAMI Output the current UserName and domain.

WINDIFF Compare the contents of two files or sets of files.

WINMSD Windows system diagnostics.

WINMSDP Windows system diagnostics II.

WMIC WM I Commands.

XCACLS Change file permissions.

XCOPY Copy files and folders.

Mind Bobbling