Computer

1. hardware

1.1. Internal Hardwares

1.1.1. Processor

1.1.2. Motherboard

1.1.3. Memory

1.1.3.1. Primary memory

1.1.3.1.1. RAM (Random Access Memory)

1.1.3.1.2. ROM (Read Only Memory)

1.1.3.2. Secondary memory

1.1.3.2.1. USB

1.1.3.2.2. Hard disk

1.1.3.2.3. SSD

1.1.3.2.4. Floppy Disk

1.1.3.2.5. CD/DVD

1.1.4. Heat Sink

1.1.5. Power Suplly

1.1.6. Cooling Fan

1.2. External Hardwares

1.2.1. Input Devices

1.2.1.1. Keyboard

1.2.1.2. Mouse

1.2.1.3. Microphone

1.2.1.4. Camera

1.2.1.5. Scanner

1.2.2. Output Devices

1.2.2.1. Monitor

1.2.2.2. Speaker

2. Software

2.1. System Softwares

2.1.1. MS Windows

2.1.2. Android

2.2. Application Softwares

2.2.1. Facebook

2.2.2. Games

2.2.3. Instagram etc

3. Data

3.1. Textual Data

3.2. Video Data

3.3. Audio Data

3.4. Graphical Data