This guide contains 285 test items for use in teaching a course in computerized numerical control. All test items were reviewed, revised, and validated by incumbent workers and subject matter instructors. Items are provided for assessing student achievement in such aspects of programming and planning, setting up, and operating machines with computerized numerical control as developing programmed instructions, selecting manual or computer-assigned programs and matching them with program/language definitions, matching machine tools and holders with parts, determining speeds and operating modes, computing tool coordinates and workpiece geometries, verifying cutter paths, plotting programs, defining cutter paths, programming tool change procedures, preparing operating instructions for piece parts, matching codes with responses, calculating running times, preparing tapes, writing manual programs, programming with purchased software, designing special features for custom jobs, repairing broken tapes, updating programs for engineering changes, determining job priorities, scheduling programs, checking tooling sheets, installing and loading tools, making dry runs of programs, adding and altering commnands, editing programs running segments of programs, performing sequence searching, and resetting equipment. Each test item is designed to serve as an evaluation tool for use with Vocational-Technical Education Consortium of States (V-TECS) curriculum guides and is accompanied by a code that contains information about the duty area, task number, performance guide number, and learning domain area/level of the skill being evaluated in the item. (MN)