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

What is the term for water wave that is created by an underwater earthquake

Which of these does Moore's law state double approximately every two years?

What element will you include to present numerical data visually on a slide?

Match the instruments with their uses. Tiles- microscope- streak plate- telescope- ruler- (Pairs) 1. identify the mineral composition of a rock 2. view planets, stars, and objects in space 3. measure the length of a piece of paper 4.

A store provides 10 percent discount on all items with a price of at least $100. No discount is otherwise applicable.

If you mistakenly write pseudocode into an editor for an actual programming language, such as python or visual basic, errors will result. a. True b. False

PGP encryption can be performed from the command line as well. What is the PGP command line syntax to encrypt the my-message. txt file for a specific user (Sean) and save the output as secret-message. txt. gpg?

In order to prevent unauthorized access, how can the shadow file be configured to enforce a password policy? What happens to accounts with expired passwords?

Your organization's network has multiple layers of security devices. When you attempt to connect to a service on the Internet. However, you receive a security message from the operating system stating that this service is blocked on your workstation.

Which of the following representations in two's complement notation represents the largest value? a) 00000010 b) 11111111 c) 00000001 d) 11111110