Thursday, 15 August 2013

Some Basic Computer Shortcut Keys

computer knowledge free

The below basic shortcut keys are a listing of shortcut keys that will work with almost all PC compatible computers and software programs.

Shortcut Keys

Description

Alt + E
Edit options in current program
Alt + F
File menu options in current program
Ctrl + A
Select all text.
Ctrl + BBolds the current (highlighted) selection
Ctrl + C
Copy selected item
Ctrl + C + COpens the clipboard
Ctrl + F
Find.
Ctrl + HReplace, brings up the Find and Replace dialog box.
Ctrl + IAdd or remove Italic formatting.
Ctrl + PPrint
Ctrl + SSave
Ctrl + UAdd or remove Underline
Ctrl + WClose
Ctrl + V
Paste copied item
Ctrl + X
Cut.
Ctrl + YRedo last command
Ctrl + Z Undo last command
Ctrl + Ins
Same as Ctrl + c
Ctrl + left arrow
Move one word to the left at a time.
Ctrl + right arrow
Move one word to the right at a time.
Shift + Ins
Paste
Shift + Delelte or Del
Cut. Or permanently delete selected item(s) on Windows Explorer.
F1
Help.
Home
Jump to the beginning of the line or page.
Ctrl + Home
Jump to the beginning of the document or page.
End
Jump to the end of the line or page.
Ctrl + End
ump to the end of the document or page.
Shift + Home
Set selection (highlight) from current position to beginning of the line or page.
Shift + End
Set selection (highlight) from current position to end of the line or page.
Shift + left arrow
Set selection (highlight) from current position to the left, one character at a time.
Shift + right arrow
Set selection (highlight) from current position to the right, one character at a time.
Shift + down arrow
Set selection (highlight) from current position to the next line down.
Shift + up arrow
Set selection (highlight) from current position to the next line up.
Ctrl + =Spell checker

Wednesday, 14 August 2013

How To Check Your Antivirus Is genuine Or Not.

This trick will help you check that your antivirus is genuine or not or you can say that your antivirus is working properly or not , here are some steps just follow them and enjoy

1- First of all press windows logo key + R to open Run command and type notepad here to open notepad.
How To Check Your Antivirus Is genuine Or Not

2- Copy and paste the below code into your notepad.

X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*


How To Check Your Antivirus Is genuine Or Not

3- After that press CTRL + S to save this file, here save this file as CKF.vbs on desktop
How To Check Your Antivirus Is genuine Or Not

4- If your antivirus is genuine then it can allow you to save this file on desktop i.e. It will detect as virus & delete it and if your antivirus is fake then it will allow you  to save this file.
How To Check Your Antivirus Is genuine Or Not

How to Hide Folder.

Windows offers an easy way to quickly hide folders from unsuspecting eyes. This procedure requires that Windows does not show hidden files and folders. So to start with, you require to check this setting: 

Open Windows Explorer (open any folder) and go to ==> Tools ==> Folder options…
Within Folder Options switch to the ==> View tab.
Under ==> Files and Folders find the option ==> Hidden files and folders and select ==> Do not show hidden files, folders, or drives.
Click ==> OK and proceed to hiding a folder.
http://computerknowledgefree.blogspot.com/

To hide a folder do the following:

Right click the folder you want to hide & select ==> Properties.
In the ==> General tab check the option ==> Hidden.
Go to ==> Advanced change archive and index attributes.
Click ==> OK to save your changes.
computerknowledgefree.blogspot.com

Sunday, 11 August 2013

Mozila Firefox Keyboard shortcuts for Windows.



Following are some shortcut keys of Mozila FireFox.

PRESS+HOLD

RESULT

ALT + HOME
Load the Home page
F5 or CTRL + R
Reload the current page
CTRL + SHIFT + R or CTRL + F5
Reload the current page, overriding the cache
CTRL+O
Launch the Open File dialog
ESC
Stop loading the current page
CTRL + SHIFT + J
Open the Error Console
CTRL + SHIFT + P
Turn Private Browsing mode off and on
CTRL + SHIFT + DELETE
Clear recent browsing history and other private data
CTRL + U
View the current page's source code
CTRL + SHIFT + A
Open the Add-Ons Manager
CTRL + SHIFT + K
Open the Web Console
CTRL + J
Open the Downloads window
F11
Turn Full Screen mode off and on
F7
Activate Caret Browsing
ALT or F10
Toggle the Menu Bar display
CTRL + SHIFT + M
Open Responsive Design View
SHIFT + F7
Open the Style Editor
SHIFT + F4
Open the Scratchpad tool
CTRL + SHIFT + E
Open Tab Groups interface
ALT + F4 or CTRL + SHIFT + W
Close the current window
CTRL + W or CTRL + F4
Close the current tab
CTRL + SHIFT + T
Undo the most recent "close tab" command
CTRL + SHIFT + N
Undo the most recent "close window" command
CTRL + PAGE UP
Advance to the previous tab
CTRL + TAB or CTRL + PAGE DOWN
Advance to the next tab
CTRL + N
Open a new window
CTRL + T
Open a new tab
CTRL + SHIFT + B
Open the Library dialog, displaying your Bookmarks
CTRL + B or CTRL + I
Open the Bookmarks sidebar
CTRL + SHIFT + D
Bookmark all open tabs at once
CTRL + D
Bookmark the current page
CTRL + SHIFT + H
Open the Library dialog, displaying your browsing history
CTRL + H
Open History sidebar
F4
(with Search Bar focus active): When the Search Bar focus is active, opens the Search Engine Manager dialog
CTRL + K
Move the active cursor to Firefox's Search Bar
CTRL + F
Find user-specified text in the current page
CTRL + S
Open the Save As dialog for the current page
CTRL + 0 (Zero)
Reset zoom to the default state
CTRL + (MINUS SIGN)
Zoom out on the current page
CTRL + (PLUS SIGN)
Zoom in on the current page
CTRL + P
Print the current page
CTRL + Y
Redo the latest action
CTRL + Z
Undo the latest action
CTRL + A
Select all
CTRL + X
Cut the selected text or image(s) to the clipboard
CTRL + V
Paste the contents of the clipboard
CTRL + C
Copy the selected text or image(s) to the clipboard
SHIFT + BACKSPACE or ALT + RIGHT ARROW
Load the next page in your browsing history
BACKSPACE or ALT + LEFT ARROW
Load the previous page in your browsing history

Google Chrome shortcut keys for Windows

Following are some shortcut keys of Google Chrome for Windows.
HOLD+PRESS
RESULT
CTRL + N
Open a new window
CTRL + <Link>
Open a link in a new tab
CTRL + SHIFT + N
Open a new window in Incognito Mode
SHIFT + <Link>
Open a link in a new window
CTRL + T
Open a new tab
CTRL + SHIFT + T
Reopen the last tab that you closed
ALT + F4
Close current window
CTRL + 1
Switch to the tab in position 1 on the tab strip
CTRL + 2
Switch to the tab in position 2 on the tab strip
CTRL + 3
Switch to the tab in position 3 on the tab strip
CTRL + 4
Switch to the tab in position 4 on the tab strip
CTRL + 5
Switch to the tab in position 5 on the tab strip
CTRL + 6
Switch to the tab in position 6 on the tab strip
CTRL + 7
Switch to the tab in position 7 on the tab strip
CTRL + 8
Switch to the tab in position 8 on the tab strip
CTRL + 9
Switch to the tab in position 9 on the tab strip
CTRL + TAB
Switch to the next tab
CTRL + PAGE DOWN
Switch to the next tab
CTRL + SHIFT + TAB
Switch to the previous tab
CTRL + PAGE UP
Switch to the previous tab
CTRL + PAGE UP
Switch to the previous tab
CTRL + W
Close current tab or pop-up window
CTRL + F4
Close current tab or pop-up window
ALT + HOME
Open your home page
CTRL + O
Open a file in the browser
CTRL + H
View Browsing History
CTRL + B
Toggle bookmarks display
CTRL + J
View Downloads
SHIFT + ESC
View Chrome's internal Task Manager
CTRL + P
Print the current page
F5
Reload the current page
ESC
Stop the current page from loading
CTRL + F5
Reload the current page, overriding the cache
SHIFT + F5
Reload the current page, overriding the cache
ALT + <Link>
Download link
CTRL + F
Open the 'Find in page' dialog box
CTRL + G
Find the next match from 'Find in page' box
F3
Find the next match from 'Find in page' box
CTRL + SHIFT + G
Find the previous match from 'Find in page' box
SHIFT + F3
Find the previous match from 'Find in page' box
CTRL + U
View source code of the current page
CTRL + D
Bookmark the current page
CTRL + PLUS
Make text larger
CTRL + MINUS
Make text smaller
CTRL + 0
Return to default text size

BACKSPACE or ALT + LEFT ARROW
Advance to the previous page in your browsing history (for the current tab)
SHIFT + BACKSPACE or ALT + RIGHT ARROW
Advance to the next page in your browsing history (for the current tab)
ALT + E or ALT + F
Open Chrome's "wrench", or tools, menu
CTRL + SHIFT + B
Activate or disable the Bookmarks Bar
F6 or SHIFT + F6
Advance through active components on the current page, or through items in Chrome's Address bar, Bookmarks bar, or Downloads bar
CTRL + SHIFT + J
Open JavaScript Console
CTRL + SHIFT + I
Open Developer Tools interface
F1
Open Help Center in a new tab or window
CTRL + SHIFT + DELETE
Open the Clear Browsing Data window
CTRL + ENTER
Automatically add www. (at the beginning) and .com (at the end) of the text currently residing in the Address (or URL) bar

CTRL + SHIFT + V
Paste the current contents of the Clipboard without original formatting
CTRL + BACKSPACE
Remove whatever key term precedes the active cursor in the Address (or URL) bar
CTRL + L or ALT + D
Highlight the full URL in the Address bar
CTRL + K or CTRL + E
Enters a question mark in the Address bar. Typing a keyword or keywords following this question mark will submit the search term to your default engine
CTRL + S
Save the current page to your hard drive
CTRL + C
Copy selected text or images to the Clipboard
CTRL + V or SHIFT + INSERT
Paste the current contents of the Clipboard, preserving original formatting

Microsoft Office Excel Keyboard Shortcuts


Following are some shortcut keys of MicroSost Office Excel

Category

Hold

Press

Keyword

Result

Format Data
Ctrl
0
column
Hide columns
Format Data
Ctrl
1
format
Display the Format Cells dialog box
Format Data
Ctrl + Shift
2
time
Apply Time format
Format Data
Ctrl
5
strikethrough
Apply or remove strikethrough formatting
Select Cells
Ctrl
6
object
Alternate between hiding objects, displaying objects, and displaying placeholders for objects
Select Cells
Ctrl
7
toolbar
Show or hide the Standard toolbar
Outline Data
Ctrl
8
outline
Display or hide outline symbols
Format Data
Ctrl
9
row
Hide rows
Enter Data
Ctrl
'
copy
Copy formula from cell above
Format Data
Alt
'
style
Style dialog box
Format Data
Ctrl + Shift
'
number
Apply number format
Edit Data
Ctrl
-
delete
Delete selection
Format Data
Ctrl + Shift
-
border
Remove outline borders
Format Data
Ctrl + Shift
!
number
Apply Number format with 2 decimal places, thousands separator
Enter Data
Ctrl + Shift
"
copy
Copy value from cell above
Format Data
Ctrl + Shift
#
date
Apply the Date format with the day, month, and year
Format Data
Ctrl + Shift
$
currency
Apply Currency format
Format Data
Ctrl + Shift
%
percent
Apply Percentage format with no decimal places
Format Data
Ctrl + Shift
&
border
Apply the outline border
Format Data
Ctrl + Shift
(
row
Unhide rows
Format Data
Ctrl + Shift
)
column
Unhide columns
Select Cells
Ctrl + Shift
*
region
Select the current region
Move within Selection
Ctrl
.
move
Move clockwise to the next corner of the selection
Select Cells
Ctrl
/
array
Select current array
Enter Data
Ctrl + Shift
;
time
Enter the time
Enter Data
Ctrl
;
date
Enter the date
Select Cells
Alt
;
cells
Select visible cells in current selection
Select Cells
Ctrl
[
dependent
Select direct dependents
Select Cells
Ctrl + Shift
[
dependent
Select all dependents
Select Cells
Ctrl
\
difference
Select differences
Select Cells
Ctrl + Shift
\
unequal
Select unequal cells
Select Cells
Ctrl
]
precedent
Select direct precedents
Select Cells
Ctrl + Shift
]
precedent
Select all precedents
Format Data
Ctrl + Shift
^
number
Apply Exponential number format
Enter Data
Ctrl
`
formula
Toggle formula view
Edit Data
Ctrl + Shift
=
insert
Insert blank cells
Enter Data
Alt
=
AutoSum
Insert the AutoSum formula
Enter Data
Ctrl
A
formula
Display Formula Palette after typing function name in formula
Enter Data
Ctrl + Shift
A
formula
Insert the argument names and parentheses for a function after you type a function name in a formula
Select Cells
Ctrl
A
All
Select the entire worksheet
Enter Data

Arrow key
move
Move one character up, down, left, or right
Move and Scroll
Ctrl
Arrow key
move
Move to edge of current region
Move and Scroll

Arrow key
move
Move one cell up, down, left, or right
Select Cells
Ctrl + Shift
Arrow Key
select
Extend the selection to the last nonblank cell in the same column or row as the active cell
Select Cells
Shift
Arrow Key
select
Extend the selection by one cell
Format Data
Ctrl
B
bold
Apply or remove bold formatting
Enter Data

Backspace
delete
Delete character to left of insertion point, or delete selection
Move and Scroll
Ctrl
Backspace
scroll
Scroll to display the active cell
Select Cells
Shift
Backspace
select
Select only the active cell when multiple cells are selected
Edit Data
Ctrl
C
copy
Copy the selection
Enter Data
Ctrl
D
fill
Fill down
Enter Data
Ctrl
Delete
delete
Delete text to the end of the line
Enter Data

Delete
delete
Delete character to right of insertion point, or delete selection
Enter Data
Alt
Down Arrow
AutoComplete
Display the AutoComplete list
Move and Scroll
Ctrl
End
move
Move to the last cell on the worksheet
Select Cells
Ctrl + Shift
End
select
Extend the selection to the last used cell on the worksheet (lower-right corner)
Enter Data
Alt
Enter
line break
Start a new line in the same cell
Enter Data
Ctrl
Enter
fill
Fill the selected cell range with current entry
Enter Data
Ctrl + Shift
Enter
array
Enter formula as array formula
Enter Data
Shift
Enter
complete
Complete cell entry and move up in selection
Enter Data

Enter
complete
Complete cell entry and move down in selection
Enter Data

Esc
cancel
Cancel a cell entry
Menus

Esc
close
Close visible menu or submenu
Windows
Ctrl
Esc
Start
Show the Windows Start menu
Help

F1
Help
Open the Help Task pane
Menus
Shift
F10
shortcut
Show a shortcut menu
Menus

F10
menu
Make the menu bar active
Windows
Ctrl
F10
maximize
Maximize or restore the workbook window
Charts

F11
chart
Create a chart that uses the current range
Macros
Alt
F11
VBE
Display the Visual Basic Editor
Macros
Ctrl
F11
macro
Insert a Microsoft Excel 4.0 macro sheet
Worksheets
Shift
F11
worksheet
Insert a new worksheet
Workbook
Ctrl
F12
open
Display the Open dialog box
Workbook

F12
save as
Open the Save As dialog box
Workbook
Shift
F12
save
Save the file
Print
Ctrl + Shift
F12
print
Display the Print dialog box
Charts
Alt
F2
chart
Create a chart that uses the current range
Enter Data
Shift
F2
comment
Edit a cell comment
Enter Data

F2
edit
Edit the active cell and position the insertion point at the end of the line
Worksheets
Alt + Shift
F2
worksheet
Insert a new worksheet
Enter Data
Ctrl
F3
name
Define a name
Enter Data
Ctrl + Shift
F3
name
Create names from row and column labels
Enter Data
Shift
F3
function
Paste a function into a formula
Enter Data

F3
name
Paste defined name into formula
Enter Data

F4
repeat
Repeat the last action
Move and Scroll
Shift
F4
find
Repeat the last Find action (Find Next)
Windows
Ctrl
F4
close
Close the active workbook window
Move and Scroll
Shift
F5
find
Display the Find dialog box
Move and Scroll

F5
go to
Display the Go To dialog box
Windows
Ctrl
F5
restore
Restore the active workbook window size
Dialog Box

F6
dialog box
In a range selection box, switch focus to the worksheet
Move and Scroll
Ctrl
F6
window
Move to the next workbook or window
Move and Scroll
Ctrl+Shift
F6
window
Move to the previous workbook or window
Move and Scroll
Shift
F6
pane
Move to previous pane in workbook that has been split
Move and Scroll

F6
pane
Move to next pane in split workbook
Edit Data

F7
spell
Display the Spelling dialog box
Windows
Ctrl
F7
move
Carry out Move command (workbook icon menu, menu bar), or use arrow keys to move the window
Macros
Alt
F8
macro
Display the Macro dialog box
Select Cells
Shift
F8
select
Add another range of cells to the selection; or use the arrow keys to move to the start of the range you want to add, and then press F8 and the arrow keys to select the next range
Select Cells

F8
select
Turn on extending a selection by using the arrow keys
Windows
Ctrl
F8
size
Carry out Size command (workbook icon menu, menu bar), or use arrow keys to size the window
Enter Data
Ctrl + Alt
F9
calculate
Calculate all sheets in the active workbook
Enter Data
Shift
F9
calculate
Calculate the active worksheet
Enter Data

F9
calculate
Calculate all sheets in all open workbooks
Windows
Ctrl
F9
minimize
Minimize the workbook window to an icon
Move and Scroll
Ctrl
Home
move
Move to the beginning of the worksheet
Move and Scroll

Home
move
Move to the beginning of the row
Select Cells
Ctrl + Shift
Home
select
Extend the selection to the beginning of the worksheet
Select Cells
Shift
Home
select
Extend the selection to the beginning of the row
Format Data
Ctrl
I
italic
Apply or remove italic formatting
Enter Data
Ctrl
K
hyperlink
Insert a hyperlink
Move within Selection
Ctrl + Alt
Left Arrow
move
Move left between nonadjacent selections
Outline Data
Alt + Shift
Left Arrow
group
Ungroup rows or columns
Select Cells
Ctrl + Shift
O
comment
Select all cells with comments
Print
Ctrl
P
print
Display the Print dialog box
Move and Scroll
Alt
Page Down
move
Move one screen to the right
Move and Scroll
Ctrl
Page Down
move
Move to the next sheet in the workbook
Move and Scroll

Page Down
move
Move down one screen
Select Cells
Shift
Page Down
select
Extend the selection down one screen
Worksheets
Ctrl + Shift
Page Down
select
Select current and next sheet in workbook
Move and Scroll
Alt
Page Up
move
Move one screen to the left
Move and Scroll
Ctrl
Page Up
move
Move to the previous sheet in the workbook
Move and Scroll

Page Up
move
Move up one screen
Select Cells
Shift
Page Up
select
Extend the selection up one screen
Worksheets
Ctrl + Shift
Page Up
select
Select current and previous in workbook
Windows
Alt
Print Screen
copy
Copy the image of the active window to the Clipboard
Windows

Print Screen
copy
Copy the image of the screen to the Clipboard
Enter Data
Ctrl
R
fill
Fill to the right
Move within Selection
Ctrl + Alt
Right Arrow
move
Move right between nonadjacent selections
Outline Data
Alt + Shift
Right Arrow
group
Group rows or columns
Menus
Alt
Spacebar
menu
Show control menu
Select Cells
Ctrl
Spacebar
column
Select the entire column
Select Cells
Ctrl + Shift
Spacebar
objects
With an object selected, select all objects on a sheet
Select Cells
Shift
Spacebar
row
Select the entire row
Move and Scroll
Ctrl
Tab
window
Move to the next workbook or window
Move and Scroll
Ctrl+Shift
Tab
window
Move to the previous workbook or window
Move within Selection
Shift
Tab
left
Move left
Move within Selection

Tab
right
Move right
Windows
Alt
Tab
program
Switch to the next program
Windows
Alt + Shift
Tab
program
Switch to the previous program
Format Data
Ctrl
U
underline
Apply or remove an underline
Edit Data
Ctrl
V
paste
Paste the selection
Windows
Ctrl
W
close
Close the active workbook window
Edit Data
Ctrl
X
cut
Cut the selection
Enter Data
Ctrl
Y
repeat
Repeat the last action
Edit Data
Ctrl
Z
undo
Undo the last action