Plotters and peripherals: what is required on a computer to enable a plotter to interpret and execute specific drawing commands?

Introduction / Context:
A plotter is a specialized output device for high-precision vector graphics. To make an operating system and applications communicate correctly with a specific plotter model, the system needs the appropriate software bridge that translates generic drawing commands into device-specific instructions.

Given Data / Assumptions:

• Host computer runs an OS that supports device drivers.
• The plotter expects commands/protocols particular to its make/model.
• Applications issue high-level drawing calls (lines, arcs, text).

Concept / Approach:
A driver is a piece of software that implements the device interface for the OS, exposing capabilities and translating calls into the device’s native language (e.g., HP-GL/2 or vendor protocols). While “software” broadly includes drivers, the precise term is “driver,” which ensures correct initialization, command sequencing, buffering, and error handling.

Step-by-Step Solution:
Identify the most specific component that enables device command execution.Distinguish generic software from device-specific drivers.Select “Driver.”

Verification / Alternative check:
Printer/plotter installation workflows explicitly install a driver so applications can target the device by name/profile, confirming the requirement.

Why Other Options Are Wrong:
(a) Firmware resides in the device, not the host, and does not replace the host driver. (b) Too generic; the specific host software component is the driver. (d) Hardware alone is insufficient without a driver. (e) Not applicable since a correct choice exists.

Common Pitfalls:
Using a generic driver that lacks model-specific features (resulting in missing pen control, color maps, or page sizes).

Final Answer:
Driver