Answer:
Input devices: For raw data input.
Processing devices: To process raw data instructions into information.
Output devices: To disseminate data and information.
Storage devices: For data and information retention.
Answer:
Charles babbage is the father of computer
World Wide Web (WWW) is a network of online content that is formatted in HTML and accessed via HTTP
Three main parts of a professional cover letter: Heading, body, closing and signature line. I hope this helps! :)