IT

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Across
  1. 3. a person who writes codes for applications and programs
  2. 5. a system used to store and manage data
  3. 7. a program or application that helps you do a task
  4. 8. an instruction that tells a computer what to do
Down
  1. 1. a basic markup language used to create web pages
  2. 2. the act of improving hardware or software
  3. 4. a collection of devices that can communicate with each other
  4. 6. a problem in software