Which of the following are stages in the computer life cycle? Check all of the boxes that apply.

planning for and purchasing equipment

retiring computers

disposing of computers

deploying computers

supporting and upgrading

optimizing computers

Michael has written an e-mail to his employees that describes a new product special that will be introduced to the customers next week. by taking time to make sure the e-mail is well written, logical, and organized, michael has made sure his message has the characteristics of a) effective communicationb) ineffective communicationc) barriers to communicationd) workplace communication