Which of the following is an example of evidence in digital investigations?

In digital investigations, evidence typically refers to data that is stored electronically and can be analyzed to shed light on a case. The user’s browsing history is a direct record of online activity and can provide insights into an individual's behavior, decisions, or contacts, making it relevant in investigations. A flash drive, containing files, is a crucial piece of evidence as it can store a variety of data types including documents, images, or even deleted files, all of which can be analyzed for context relating to the investigation.

While a printed note with case details does provide information relevant to the investigation, it is not classified as digital evidence as it exists in a physical format. The essence of digital investigations lies in electronic evidence that can be quantitatively and qualitatively analyzed. Thus, the flash drive stands out as a direct example of evidence in digital investigations, being a digital medium that contains various types of digital files providing deeper insights into the case.