A. Analysis of data
B. Scoring the answers
C. Preserve the information
D. All of these
Explanation :Main Task of Educational Computer are preserve the information, analysis of data, scoring the answer, enhances creativity & thinking skills, efficient & better use of IT Technology, improves research work & helps in communicating with different education providers, huge & organized store of information, quick processing of data, audio-visual guides in teaching process for a viable learning.
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