Automated supply replenishment systems can be described as:

Automated supply replenishment systems are primarily characterized by their computerized nature. These systems utilize software and technology to track inventory levels, monitor usage patterns, and trigger automatic ordering processes when supplies fall below a designated threshold. This computerization enhances efficiency in managing inventory, reducing the risk of human error, and ensuring that the necessary supplies are always available without the need for constant manual oversight.

In contrast, the other choices describe characteristics that do not align with the essence of automated systems. Manual systems rely heavily on human intervention for tracking and ordering supplies, which is a fundamental difference from the automated approach. Time-consuming and labor-intensive processes highlight the drawbacks of traditional inventory management methods, where significant effort and time are expended by staff to monitor and manage supplies, further underscoring the advantages of utilizing a computerized system in modern inventory management.