The option key is a modifier key (ALT) present on Apple Keyboard
The shift key is a modifier key on a keyboard, used to type capital letters and other alternate upper characters. There are typically two shift keys, on the left and right sides of the row below the home row.
A modifier key is a key that modifies the action of another key when the two are pressed together.
The Shift key is a modifier key on a standard keyboard. It could have many different functions and usages. Usage:To use it in its normal form, press the shift key down first then press another key on the keyboard at the same time. Primary Function: * Primary Function: To convert lower-case letters into upper-case (capital) letters.[For example: Letter character 'a' becomes 'A'] Other Functions Include:* To access special characters on the keyboard.[For example: Number character '1' becomes '!'] * To be used with other modifier keys to access a special feature in an operating system or a computer program.
The shift key is a modifier key on a keyboard, used to type capital letters and other alternate "upper" characters. It is also used to access the special characters on the number keys and other double character keys on the keyboard!
Why the window key in keyboard?
The Alt key (pronounced /ˈɔːlt/) on a computer keyboard is used to change (alternate) the function of other pressed keys. Thus, the Alt key is a modifier key, used in a similar fashion to the Shift key. For example, simply pressing "A" will type the letter a, but if you hold down either Alt key while pressing A, the computer will perform an Alt+A function, which varies from program to program. In non-US keyboard layouts, rather than a second Alt key, there is an 'Alt Gr' key to the right of the space bar. The key is located immediately to either side of the Space bar. Some keyboard layouts treat both Alt keys on the keyboard as the same key, while others do not.
keyboard
The ALT GR key is a key modifier like shift, you hold it while pressing another key, to get a different symbol. For example, for the 'e' key, Press normally = e Shift + e = E AltGr + e = é You can also press AltGr + 4 to get the Euro symbol, €.
If your keyboard is missing a key, press the key-less spot very lightly when used, or try to place the key back on, or at best get a new keyboard.
COMPUTER KEYBOARD KEY MEANINGS
To make an apostrophe on a keyboard, press the key beside the "enter" key on the right hand side of the keyboard.