diff --git a/syllabus/1.md b/syllabus/1.md
index f108e36..7f5c298 100644
--- a/syllabus/1.md
+++ b/syllabus/1.md
@@ -2,7 +2,7 @@
 
 # Input and Output devices
 ## Input devices
-In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance.
+In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance.Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.
 
 ### Types of input devices
 #### Keyboards
@@ -12,6 +12,9 @@ In computing, an input device is a piece of equipment used to provide data and c
 #### Microphone
 #### Joystick
 
+## Output devices
+Output devices in computing are hardware components that display or output data and information from a computer to the user or another system. Examples include monitors, printers, and speakers.
+
 ### Types of output devices
 #### Monitor
 #### Speakers/Headphones