- CPU – Central Processing Unit
- RAM – Random Access Memory
- ROM – Read-Only Memory
- HDD – Hard Disk Drive
- SSD – Solid State Drive
- USB – Universal Serial Bus
- GPU – Graphics Processing Unit
- HTTP – Hypertext Transfer Protocol
- HTTPS – Hypertext Transfer Protocol Secure
- IP – Internet Protocol
- DNS – Domain Name System
- ISP – Internet Service Provider
- LAN – Local Area Network
- WAN – Wide Area Network
- Wi-Fi – Wireless Fidelity
- HTML – Hypertext Markup Language
- CSS – Cascading Style Sheets
- XML – Extensible Markup Language
- SQL – Structured Query Language
- OS – Operating System
- BIOS – Basic Input/Output System
- API – Application Programming Interface
- GUI – Graphical User Interface
- VPN – Virtual Private Network
- DOS – Disk Operating System
- PDF – Portable Document Format
- FTP – File Transfer Protocol
- AI – Artificial Intelligence
- I/O – Input/Output
- TB – Terabyte
- MB – Megabyte
- GB – Gigabyte
- KB – Kilobyte
- ASCII – American Standard Code for Information Interchange
- PNG – Portable Network Graphics
- JPEG – Joint Photographic Experts Group
- SQL – Structured Query Language
- IoT – Internet of Things
- URL – Uniform Resource Locator
- MAC – Media Access Control
These abbreviations are essential for understanding basic computer components, networking, data management, and internet technologies.

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