Computer keyboard

A PowerPoint slideshow on computer keyboard.

1. COMPUTER KEYBOARD Prepared by: Cheneta Kenny Pasaje Calvo

2. Keyboard A keyboard is an input device that contains keys users press to enter data and instructions into a computer

3. Christopher Latham Sholes was the inventor of the keyboard for computing devices. He patented the typewriter that we commonly use today in 1868.

4. Types of Keyboard

5. Standard Keyboard a lso known as the Desktop Keyboard include alphabetic characters, punctuation symbols, numbers and a variety of function keys .

6. Standard Keyboard

7. Laptop Keyboards has the same keyboard type as a normal keyboard, except for the fact that most laptop keyboards condense the symbols into fewer buttons to accommodate less space.

8. Laptop Keyboards

9. Gaming Keyboards are similar to normal keyboards except they generally contain extra features such as illuminated keys, multimedia keys, an additional LCD screen, palm rest and other features.

10. Gaming Keyboards

11. Ergonomic Keyboards is a computer keyboard designed with ergonomic considerations to minimize the chance of wrist and hand injuries.

12. Ergonomic Keyboards

13. Laser or Infrared Keyboards this device projects the keyboard on to a flat surface, such as a table or desk.

14. Laser or Infrared Keyboards

15. Rollup Keyboards are made of soft plastic or silicone which can be rolled on itself for travel.

16. Rollup Keyboards

17. Connection Type

18. A. Wired Keyboards PS/2 USB

19. B. Wireless Keyboards Bluetooth Infrared (IR) Radio Frequency

20. Bluetooth Keyboard

21. Virtual Keyboard (uses an infrared and laser technology

22. RF Wireless Keyboard

23. Parts of the Computer Keyboard Function Keys Across the top of a keyboard are a row of keys called the Function Keys. Each key is composed of the letter F and a number, ranging from F1 to F12. Each of the Function Keys performs a specific operation based upon what software is being used.

24. Numeric Keypad Many larger keyboards have an extra section to the right that contains the Numeric Keypad. This consists of the numbers 1 through 9, an asterisk, a slash, a dash, a plus sign, an enter key and a period. There is also is a " Num Lock" key, which is used to turn on and off the Numeric Keypad.

25. Navigation Keys The Navigation Keys, also called the Direction Keys, are used to navigate through documents and websites. Examples of Navigation Keys are the up, down, left and right arrows.

26. Typewriter Keys The center of the keyboard, which contains the largest amount of keys, includes letters and numbers. Most typing is done with these keys.

27. Special Keys Other keys include the Alt and Ctrl keys (used for specific functions), the Tab key (used to insert the cursor ) and the Shift key (used to make capital letters or symbols that are located on the number keys).

28. Escape The Escape key is located in the upper left-hand corner of the keyboard. It is used to cancel operations.