A Comparison of Batch Processing and Instant Turnaround A study of the programming efforts of students in an introductory programming course is presented and the effects of having instant turnaround (a few minutes) as opposed to conventional batch processing with turnaround times of a few hours are examined. Among the items compared are the number of computer runs per trip to the computation center, program preparation time, keypunching time, debugging time, number of runs, and elapsed time from the first run to the last run on each problem. Even though the results are influenced by the fact that "bonus points" were given for completion of a programming problem in less than a specified number of runs, there is evidence to support "Instant" over "Batch". CACM August, 1967 Smith, L. B. CA670805 JB February 27, 1978 4:32 PM 1550 4 1550 1550 4 1550 1304 5 1550 1472 5 1550 1550 5 1550 1550 5 1550 1550 5 1550 1908 5 1550 1550 6 1550 1605 6 1550