How to use the Google calculator:
Googles calculator tries to understand the problem you are attempting to solve without requiring you to use special syntax. However, it may be helpful to know the most direct way to pose a question to get the best results. Listed below are a few suggestions for the most common type of expressions (and a few more esoteric ones).
Most operators come between the two numbers they combine, such as the plus sign in the expression 1+1.
Operator Function Example
+ addition 3+44
- subtraction 13-5
* multiplication 7*8
/ division 12/3
^ exponentiation (raise to a power of) 8^2
% modulo (finds the remainder after division) 8%7
choose X choose Y determines the number of ways of
Saturday, 14 December 2013
Window XP startup Registry Tweaks
Window XP startup registry tweaks
WARNING: this tweaks are being carried out on your own risks, it is advisable to
do a backup of the registry before carring out this tweak, to create a backup click on "file"
,then click on export save with anyname.I am not resposible for any
damage causes on your system.
-----------
STARTUP TWEAK
-----------
click on start,then on run type "regedit" click ok
1.Windows Prefetcher
click on HKEY_LOCAL_MACHINE> SYSTEM >CurrentControlSet >Control
> Session Manager>Memory Management>PrefetchParameters
Under this key there is a setting called EnablePrefetcher,
the default setting of which is 3.Increasing this number to 5 gives the prefetcher system
more system resources to prefetch application data for faster load times. Depending on the number of boot processes you run on your computer,
you may get benefits from settings up to 9.
However, I do not have any substantive research data on settings above 5 so I cannot verify the benefits of a higher setting. This setting also may
WARNING: this tweaks are being carried out on your own risks, it is advisable to
do a backup of the registry before carring out this tweak, to create a backup click on "file"
,then click on export save with anyname.I am not resposible for any
damage causes on your system.
-----------
STARTUP TWEAK
-----------
click on start,then on run type "regedit" click ok
1.Windows Prefetcher
click on HKEY_LOCAL_MACHINE> SYSTEM >CurrentControlSet >Control
> Session Manager>Memory Management>PrefetchParameters
Under this key there is a setting called EnablePrefetcher,
the default setting of which is 3.Increasing this number to 5 gives the prefetcher system
more system resources to prefetch application data for faster load times. Depending on the number of boot processes you run on your computer,
you may get benefits from settings up to 9.
However, I do not have any substantive research data on settings above 5 so I cannot verify the benefits of a higher setting. This setting also may
Continuation of General keyboard shortcuts
This is the continuation of the last post of general keyboard shortcuts.
ALT+A (Display the Action menu)
ALT+V (Display the View menu)
ALT+F (Display the File menu)
ALT+O (Display the Favorites menu)
MMC Console Window Keyboard Shortcuts
CTRL+P (Print the current page or active pane)
ALT+Minus sign (-) (Display the window menu for the active console window)
SHIFT+F10 (Display the Action shortcut menu for the selected item)
F1 key (Open the Help topic, if any, for the selected item)
F5 key (Update the content of all console windows)
CTRL+F10 (Maximize the active console window)
CTRL+F5 (Restore the active console window)
ALT+ENTER (Display the Properties dialog box, if any, for the selected item)
F2 key (Rename the selected item)
CTRL+F4 (Close the active console window. When a console has only one console window, this shortcut closes the console)
Remote Desktop Connection Navigation
CTRL+ALT+END (Open the Microsoft Windows NT Security dialog box)
ALT+PAGE UP (Switch between programs from left to right)
ALT+PAGE DOWN (Switch between programs from right to left)
ALT+INSERT (Cycle through the programs in most recently used order)
ALT+HOME (Display the Start menu)
CTRL+ALT+BREAK (Switch the client computer between a window and a full screen)
ALT+DELETE (Display the Windows menu)
CTRL+ALT+Minus sign (-) (Place a snapshot of the active window in the client on the Terminal server clipboard and provide the same functionality as pressing PRINT SCREEN on a local computer.)
CTRL+ALT+Plus sign (+) (Place a snapshot of the entire client window area on the Terminal server clipboard and provide the same functionality as pressing ALT+PRINT SCREEN on a local computer.)
Microsoft Internet Explorer Navigation
CTRL+B (Open the Organize Favorites dialog box)
CTRL+E (Open the Search bar)
CTRL+F (Start the Find utility)
CTRL+H (Open the History bar)
CTRL+I (Open the Favorites bar)
CTRL+L (Open the Open dialog box)
CTRL+N (Start another instance of the browser with the same Web address)
CTRL+O (Open the Open dialog box, the same as CTRL+L)
CTRL+P (Open the Print dialog box)
CTRL+R (Update the current Web page)
CTRL+W (Close the current window)
visit www.vstuffs.wordpress.com for more information,tips,tweaks,on computer and mobile
ALT+A (Display the Action menu)
ALT+V (Display the View menu)
ALT+F (Display the File menu)
ALT+O (Display the Favorites menu)
MMC Console Window Keyboard Shortcuts
CTRL+P (Print the current page or active pane)
ALT+Minus sign (-) (Display the window menu for the active console window)
SHIFT+F10 (Display the Action shortcut menu for the selected item)
F1 key (Open the Help topic, if any, for the selected item)
F5 key (Update the content of all console windows)
CTRL+F10 (Maximize the active console window)
CTRL+F5 (Restore the active console window)
ALT+ENTER (Display the Properties dialog box, if any, for the selected item)
F2 key (Rename the selected item)
CTRL+F4 (Close the active console window. When a console has only one console window, this shortcut closes the console)
Remote Desktop Connection Navigation
CTRL+ALT+END (Open the Microsoft Windows NT Security dialog box)
ALT+PAGE UP (Switch between programs from left to right)
ALT+PAGE DOWN (Switch between programs from right to left)
ALT+INSERT (Cycle through the programs in most recently used order)
ALT+HOME (Display the Start menu)
CTRL+ALT+BREAK (Switch the client computer between a window and a full screen)
ALT+DELETE (Display the Windows menu)
CTRL+ALT+Minus sign (-) (Place a snapshot of the active window in the client on the Terminal server clipboard and provide the same functionality as pressing PRINT SCREEN on a local computer.)
CTRL+ALT+Plus sign (+) (Place a snapshot of the entire client window area on the Terminal server clipboard and provide the same functionality as pressing ALT+PRINT SCREEN on a local computer.)
Microsoft Internet Explorer Navigation
CTRL+B (Open the Organize Favorites dialog box)
CTRL+E (Open the Search bar)
CTRL+F (Start the Find utility)
CTRL+H (Open the History bar)
CTRL+I (Open the Favorites bar)
CTRL+L (Open the Open dialog box)
CTRL+N (Start another instance of the browser with the same Web address)
CTRL+O (Open the Open dialog box, the same as CTRL+L)
CTRL+P (Open the Print dialog box)
CTRL+R (Update the current Web page)
CTRL+W (Close the current window)
visit www.vstuffs.wordpress.com for more information,tips,tweaks,on computer and mobile
General keyboard shortcuts
This shortcuts are used in case you are in a hurray, be carefull when using them
ALT+ENTER (View the properties for the selected item)
ALT+F4 (Close the active item, or quit the active program)
ALT+ENTER (Display the properties of the selected object)
ALT+SPACEBAR (Open the shortcut menu for the active window)
ALT+TAB (Switch between the open items)
ALT+ESC (Cycle through items in the order that they had been opened)
ALT+SPACEBAR (Display the System menu for the active window)
CTRL+C (Copy)
CTRL+X (Cut)
CTRL+V (Paste)
CTRL+Z (Undo)
DELETE (Delete)
SHIFT+DELETE (Delete the selected item permanently without placing the item in the Recycle Bin)
CTRL while dragging an item (Copy the selected item)
CTRL+SHIFT while dragging an item (Create a shortcut to the selected item)
ALT+ENTER (View the properties for the selected item)
ALT+F4 (Close the active item, or quit the active program)
ALT+ENTER (Display the properties of the selected object)
ALT+SPACEBAR (Open the shortcut menu for the active window)
ALT+TAB (Switch between the open items)
ALT+ESC (Cycle through items in the order that they had been opened)
ALT+SPACEBAR (Display the System menu for the active window)
CTRL+C (Copy)
CTRL+X (Cut)
CTRL+V (Paste)
CTRL+Z (Undo)
DELETE (Delete)
SHIFT+DELETE (Delete the selected item permanently without placing the item in the Recycle Bin)
CTRL while dragging an item (Copy the selected item)
CTRL+SHIFT while dragging an item (Create a shortcut to the selected item)
IBM BIOS Beep Codes
IBM BIOS Beep Codes
Audio Code Description
1 short beep Normal POST system okay
2 short beeps POST error view code onscreen
No beep Power supply, motherboard
Continuous beep Power supply, motherboard
Repeating short beeps Power supply, motherboard
1 long, 1 short beep Motherboard
1 long, 2 short beeps Video card (MDA/CGA)
1 long, 3 short beeps Video card (EGA/VGA)
3 long beeps 3270 keyboard card
IBM BIOS beep and alphanumeric error codes
Audio Code Description
1 short beep Normal POST system okay
2 short beeps POST error view code onscreen
No beep Power supply, motherboard
Continuous beep Power supply, motherboard
Repeating short beeps Power supply, motherboard
1 long, 1 short beep Motherboard
1 long, 2 short beeps Video card (MDA/CGA)
1 long, 3 short beeps Video card (EGA/VGA)
3 long beeps 3270 keyboard card
IBM BIOS beep and alphanumeric error codes
How to know,how long your window xp professional have been working
Did you
want to know the numbers of days your window xp professional have
be working try this?
Click Start >Run> and type "cmd" to open a command prompt.
At the prompt, type "systeminfo", please do not include the quotation marks
want to know the numbers of days your window xp professional have
be working try this?
Click Start >Run> and type "cmd" to open a command prompt.
At the prompt, type "systeminfo", please do not include the quotation marks
IBM/lenovo BIOS post diagnostics display error codes
IBM/Lenovo BIOS POST/Diagnostics Display Error Codes
This codes are used by most computer technisians in repairing or troubleshooting the cost of a problem in the computer.
1-1-3 CMOS read/write error. 1. Run Setup.
2. System board.
1-1-4 ROM BIOS check error. 1. System board.
1-2-X DMA error. 1. System board.
1-3-X Memory module error. 1. Memory module.
2. System board.
1-4-4 Keyboard error. 1. Keyboard.
2. System board.
1-4-X Error detected in first 64 KB 1. Memory module.
of RAM. 2. System board.
2-1-1, 2-1-2 Setup information may not 1. Run Setup.
be valid. 2. System board.
This codes are used by most computer technisians in repairing or troubleshooting the cost of a problem in the computer.
1-1-3 CMOS read/write error. 1. Run Setup.
2. System board.
1-1-4 ROM BIOS check error. 1. System board.
1-2-X DMA error. 1. System board.
1-3-X Memory module error. 1. Memory module.
2. System board.
1-4-4 Keyboard error. 1. Keyboard.
2. System board.
1-4-X Error detected in first 64 KB 1. Memory module.
of RAM. 2. System board.
2-1-1, 2-1-2 Setup information may not 1. Run Setup.
be valid. 2. System board.
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