Unit 3: Operating Systems

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  Vocabulary Activity
Study the unit vocabulary, definitions, and example sentences.
  Reading Activity Plus Questions
Read the article as you listen along, then do the comprehension questions.
  Multiple Choice
Pick the correct answer from a list.
  Listening Comprehension
Listen to the word and type it in.
  Spelling Activity
Type in the correct answer for each definition.
  Speaking Activity (optional)
Record yourself speaking English.
  Writing Activity (optional)
Pick a question and write about it.