A professional who operates keyboard of computer terminal equipped with video display screen to record data from manuscript for storage and retrieval into and from computer system for subsequent reproduction as printed matter. Responsibilities include:

• Reads instructions on worksheet to obtain codes which direct specific computer activity and depresses command keys on terminal keyboard to store or retrieve data.
• Reads manuscript and types on keyboard to record and store data into computer memory.
• Reads corrected proof sheet and depresses keys to retrieve specified portions of text for display on video screen.
• Observes screen to locate text to be corrected and types corrections.
• Maintains log of activities.
• If worker operates similar equipment to perforate $T3paper tape$T1 used to activate photocomposing machine, see photocomposing-perforator-machine operator.