Final answer:
The Tel Zayit abecedarium is the earliest complete alphabet discovered, dating back to the 10th century BCE, and it provides valuable insights into the origins of the Hebrew alphabet and the spread of literacy.
Step-by-step explanation:
The Tel Zayit abecedarium is the earliest complete alphabet ever discovered. Found by Ron E. Tappy during an excavation in 2005, the abecedarium dates back to the 10th century BCE. The significance of the Tel Zayit abecedarium lies in the understanding of the development of alphabetic writing. It's etched into a limestone boulder in the ancient town of Tel Zayit, now in modern-day Israel. The abecedarium contains all the letters of the Hebrew alphabet, showcasing the emergence of the written Hebrew language and giving valuable insights into the spread of literacy during that era.