Step 1: Understand the question.
Under the Information Technology Act, 2000, we must decide which of four items fall within the meaning of electronic record. The items are: I data in digital form, II image or sound stored or transmitted electronically, III information in microfilm or computer-generated microfiche, and IV information recorded only on paper without electronic processing.
Step 2: Recall the definition.
Section 2(1)(t) defines an electronic record as data, record, or data generated, image or sound stored, received, or sent in an electronic form or microfilm or computer-generated microfiche.
Step 3: Test item I.
Data stored in digital form is clearly electronic data. It fits the definition. So I is correct.
Step 4: Test items II and III.
Image or sound stored or transmitted electronically is expressly covered. Microfilm and computer-generated microfiche are also expressly named in the definition. So II and III are correct.
Step 5: Test item IV.
Information recorded only on paper, with no electronic processing, is just a traditional paper document. It is not an electronic record. So IV is wrong.
Step 6: Combine and match options.
The correct items are I, II, and III, but not IV. Option B says I, II and III, which matches. The other options either include IV or leave out a correct item, so they are wrong.
Step 7: Final answer.
\[ \boxed{\text{I, II and III}} \]