This document discusses computer hardware components and is supervised by Farhad Ahmed. It defines internal and external devices, and lists common input devices like keyboards and mice, and output devices like monitors and printers. The document also describes the central processing unit (CPU) and its control unit and arithmetic logic components. Other internal components mentioned include ports, modems, motherboards, and disk drives. External hardware components are those attached from outside the computer, while internal hardware components are connected from inside.

1. SUPERVISED BY
FARHAD AHMED
LECTURER OF ICT and CS

2. Learning Objective Cont..
• Computer Hardware
 External Devices
 Internal Devices
• Parts of Computer
 Input Devices: Keyboard, Mouse, Joystick, Light Pen, Barcode Reader, Trackball, Scanner, Touchscreen,
Touchpad.
 Output Devices: Monitor, Speaker, Printer [Dot-Matrix printer, Inkjet, Laser], plotter

3. Learning Objective Cont..
• CPU
Control Unit
Arithmetic Logic
• Ports
• Modem
• Motherboard
• Disk drive

4. Introduction
• There are mainly two parts in a computer system.
They are
Hardware
Software

5. Hardware
• These are the physical components that a computer is made up of.
These are the buildings that are assembled in a proper way to build
computer.

6. Hardware
• External Hardware:
 Hardware components that are
attached to the computer from outside
• Internal Hardware:
 Hardware components that are
connected to the computer from inside

7. Hardware
• External Hardware:
 Hardware components that are
attached to the computer from outside
• Internal Hardware:
 Hardware components that are
connected to the computer from inside

8. THANK YOU
&
Any Questions?