Ko's Tech Crossword Puzzle

123456
Across
  1. 2. also called logging in or on, the process used to get access to an operating system or application; require a user to have a user ID and a password.
  2. 4. a computer program or physical computer that services other computers over a local network or the Internet; specific to the Web, that serves requested HTML pages or files.
  3. 6. software or hardware that, after checking information coming into a computer from the Internet or an external network, either blocks the transmission or allows it to pass through, preventing access by hackers and malicious software ; often offered through computer operating systems.
Down
  1. 1. is a small text file that contains a unique ID tag placed on the user’s computer by a Web site to track pages visited on the site and other information;
  2. 3. an element in an electronic document that links to another place in the same document or to an entirely different document;
  3. 5. an online social networking service that enables users to send and read text-based posts of up to 140 characters, known as “tweets.”