Computer :- Some shortcut keys

1. Ctrl + Shift + Spacebar - Create a non breaking space
2. Ctrl + B - Make letters bold
3. Ctrl + I - Make letters italic
4. Ctrl + U - Make letters underline
5. Ctrl + Shift+ < - Decrease font size one value
6. Ctrl + Shift + > - Increase the font size one value
7. Ctrl + [ - Increase the font size by 1 point
8. Ctrl + ] - Decrease the font size by 1 point
9. Ctrl + Spacebar - Remove paragraph or character formatting.
10. Ctrl + C - Copy the selected text or object
11. Ctrl + X - Cut the selected text or object
12. Ctrl + V - Paste text or an object
13. Ctrl + Alt + V - Paste special
14. Ctrl + Shift + V - Paste formatting only
15. Ctrl + Z - Undo the last action
16. Ctrl + Y - Redo the last action

1. Control - Keys + Function Keys

1. Ctrl+F2 - Choose the print preview command (Microsoft office Button)
2. Ctrl+F3 - Cut on the spike
3. Ctrl+F4 - Close the window
4. Ctrl+F6 - Go to the next window
5. Ctrl+F9 - Insert an empty field
6. Ctrl+F10 - Maximise the document window
7. Ctrl+F11 - Lock a field
8. Ctrl+F12 - Choose the Open command (Microsoft Office Button)

1. Function Keys

1. Ctrl+F2 - Choose the print preview command (Microsoft office Button)
2. Ctrl+F3 - Cut on the spike
3. Ctrl+F4 - Close the window
4. Ctrl+F6 - Go to the next window
5. Ctrl+F9 - Insert an empty field
6. Ctrl+F10 - Maximise the document window
7. Ctrl+F11 - Lock a field
8. Ctrl+F12 - Choose the Open command (Microsoft Office Button)
9. Ctrl+F2 - Choose the print preview command (Microsoft office Button)
10. Ctrl+F3 - Cut on the spike
11. Ctrl+F4 - Close the window

1. Shortcut Keys of MS-Exel 

1. F2 - Edit the selected cell
2. F5 - Go to a  specific cell
3. F7 - Spell check selected text and/or document
4. F11 - Create  chart
5. Ctrl + Shift + ; - Enter the current time
6. Ctrl + ; - Enter the current date
7. Shift + F3 - Open the Excel formula window
8. Shift + F5 - Bring up search box.
9. Ctrl + A - Select all contents of the worksheet
10. Ctrl + B - Bold highlighted selection
11. Ctrl + I - Italic highlighted selection
12. Ctrl + U - Underline highlighted selection
13. Ctrl + P - Bring up the print dialog box to begin printing
14. Ctrl + Z - Undo last action
15. Ctrl + F9 - Minimise current workbook
16. Ctrl + F10 - Maximise currently selected workbook
17. Ctrl + F6 - Switch between open workbooks/window
18. Ctrl + Page Up - Move between Excel worksheet in the same Excel document.
19. Ctrl + Page Down - Move between Excel worksheets in the same Excel document
20. Ctrl + Tab - Move between two or more open Excel files
21. Alt + = - Create a formula to sum all of the above cells
22. Ctrl + ’ - Insert the value of the above cell into cell currently selected.
23. Ctrl + Arrow key - Move to next section to text
24. Ctrl + Space - Select entire column
25. Shift + Space - Select entire row