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Lesson 2 of 22 – Keyboard Basics
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Keyboard Basics

A keyboard is an input device used to enter data and commands into a computer. It contains different types of keys for typing, editing, navigation, and performing special functions.

Note: Understanding the keyboard layout helps users work faster and use shortcut keys effectively.
What is a Keyboard?

A keyboard is one of the most important input devices of a computer.

  • Used for typing text.
  • Used for entering numbers.
  • Used for giving commands.
  • Works with almost every computer.
Types of Keys
  • Alphabet Keys
  • Number Keys
  • Function Keys
  • Control Keys
  • Navigation Keys
  • Numeric Keypad
  • Special Keys
Important Keyboard Keys
Key Purpose
Enter Execute command
Spacebar Add space
Backspace Delete left character
Delete Delete selected item
Esc Cancel operation
Tab Move to next field
Function Keys

Function keys are located at the top of the keyboard and are labeled F1 to F12.

Key Common Use
F1 Help
F2 Rename
F5 Refresh
F11 Fullscreen
F12 Save As
Control Keys

Control keys help perform special operations and shortcut commands.

  • Ctrl
  • Alt
  • Shift
  • Windows Key
  • Esc
  • Tab
  • Caps Lock
Key Points
  • A keyboard is an input device.
  • It is used for typing and commands.
  • Function keys range from F1 to F12.
  • Control keys perform special tasks.
  • Navigation keys move the cursor.
  • The numeric keypad enters numbers quickly.
  • Special keys improve productivity.
  • Keyboard knowledge helps learn shortcut keys.

🧠 Quiz

Which key is commonly used to refresh a webpage?



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