The primary advantage of key-to-tape data-entry systems is:

A. A large percentage of editing can be performed at the time of data entry

B. Key verification is easily performed

C. The tape is reusable

D. Keying errors can be detected as they occur

E. All of the above

Answer: Option C

Solution(By Examveda Team)

The primary advantage of key-to-tape data-entry systems is the tape is reusable. Key to tape data entry system is a data-entry system consisting of several keyboards connected to a central controlling unit, typically a minicomputer, which collects information from each keyboard and then directs it to a magnetic tape.