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  Function Keys: These keys lie on the upper side of a keyboard (above the  umber keys). They are labelled
 Unit-2  Data Entry and Keyboarding Skills  as F1, F2, .......... F12 as shown in the figure, where  F  stands for Function. Each of these keys is used for some

                   special function.
                   Arrow Keys: Arrow keys are the direction keys that moves arrows in different directions i.e., Up, Down, Left
                   and Right. These keys are useful when one has to move the cursor across the screen. Arrow keys are also

                   called  Cursor Control Keys  or   avigation Keys .
                   Enter Keys: It is labelled with  Enter 8  . It is one of the most commonly used keys on the keyboard. On
                   a desktop keyboard, this key is placed in the middle as well as at the bottom right corner of the keyboard.

                   It helps to move the cursor to the next line and to execute any instruction after typing. It is also known as
                   the ‘Return’ key.
                   Escape (Esc) Key: It is labelled with  Esc . It is placed on the upper side at the left corner of the keyboard.
                   It is used to cancel the previous task or to come out of an opened application.

                   Spacebar Key: It lies at the bottom of the keyboard. It helps to give space (gap) between two letters or
                   words. Spacebar is the longest key of a keyboard.
                   Shift Key: This key is labelled with ‘Shift’ and an arrow pointing in the upward direction. There are two

                   such keys, one on the left side of the keyboard and the other below the  Enter  key. It is used to type in
                   capital letters or to type special characters   (At the rate),   (Hash),   (Dollar),   (Percent),   (Exponent),
                    (Asterisk),   (Ampersand), etc.  when used in combination with respective keys.
                   Ctrl key: This key is used in conjunction with other keys of the keyboard to produce control characters or

                   instructions. Alt key is like a second control key.
                   Caps Lock Key: This key is labelled with  Caps  ock . It lies on the left side of the keyboard. It helps to type
                   the alphabet in capital letter when  O   and in small letter when  OFF . The Caps  ock key is a type of Toggle
                   Key. When you press this key, a light glows in the right corner of the upper side of the keyboard, which
                   indicates that the functionality of ‘Caps Lock’ is active.

                   Backspace Key: This key is labelled with ‘Backspace’ or with a left arrow. When pressed, it erases the
                   characters which are present on the left side of the cursor.
                   Delete Key: This key is used to erase the characters. When pressed, it erases the character present on the
                   right side of the cursor.

                   There are other keys also on the keyboard which are used for different purposes such as the Tab Key, End
                   Key, Page Up and Page Down Key, etc.

                   Numeric keypad:  umeric keypad is used when enormous numeric data is to be entered. It is placed on
                   the right side of the keyboard. It contains numbers from   to  , addition ( ), subtraction (–), multiplication
                   ( ) and division (/) symbols, a decimal point (.),  um  ock and Enter key.  um  ock key enables the numeric
                   keypad to work in dual modes. On one mode, it represents numbers and on the other mode, it enables the
                   functioning of various keys like arrow keys, page up, page down, etc.

                   Guide keys: ‘F’ and ‘J’ keys are called Guide keys. They contain a small raised tangible mark to help the
                   typist to place their fingers correctly on the Home keys. Alphabets ASDF are home keys for the left hand
                   and   (semi-colon)  K  for the right hand.





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