Types of data processing

Larry sent an email to andy. andy didn't open larry's email but still understood what the message was. how did andy determine the message without opening the email?

What can tanya do now to start preparing for the college and scholarship application process? think about her grades, activities in which she can get involved, possible part-time jobs at which she can work, and standardized tests she can take. (10 points) apex

What is html ? give a small description about html