1. Presented by:
JAHANGIR SHOKAT
HUSNAIN ANSER

2. TOPIC:
KEYBOARD
And
Function Keys

3. The Keyboard Must be proficient with keyboard
The most common input device
Must be proficient with keyboard
Skill is called keyboarding

4. DEFINITON OF KEYBOARD
Keyboard is an input device which resembles with a type writer like keys that enables us to enter data into a computer.

5. How keyboard works Keyboard controller detects a key press
Controller sends a code to the CPU
Code represents the key pressed
Controller notifies the operating system
Operating system responds
Controller repeats the letter if hel

6. Different types of Keyboard

7. Parts of Keyboard Keyboard consists of five parts: Alphabetical keys
Numeric keys
Special purpose keys
Arrow keys
Function keys

8. Alphabetical Keys
Alphabetic keys include letters from A-Z and punctuation marks such as ? , “ ‘ etc. The normal layout of the keyboard is QWERTY as the letters of the first row of the keyboard is QWERTY.

9. Special Purpose Keys Numeric Keys
Numeric keys include numbers from 0 - 9
Special Purpose Keys
These are the following special purpose keys:
Enter key
Del & insert key
Caps lock key
Modifiers alt, ctrl, shift etc

10. Arrow Keys
Cursor movement keys controls the movement of cursor on the screen such as right, left, top, bottom.

11. Function Keys
A function key is a key on a keyboard which can be programmed so as to cause an operating system command interpreter or application program to perform certain actions. Function keys are numbered from F1 – F12. In many application programs F1 key is used to display help contents.