What is a certification authority?

A) A commercial company that issues and validates identities using digital signatures for a fee
B) An electronic, encryption-based, secure stamps of authentication
C) A guarantee that you are the only one using the database
D) Altering digital information using an algorithm


A

Computer Science & Information Technology

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Which of the following declares an array of int named beta?

A. int beta; B. int[] beta; C. new int beta[]; D. int beta = int[];

Computer Science & Information Technology

In the book An Investigation into the Laws of Thought, on Which are Founded the Mathematical Theories of Logic and Probabilities, George Boole outlined a system of logic now known as ____.

A. first-order logic B. modal logic C. Boolean logic D. informal logic

Computer Science & Information Technology

The print engine is the subsystem that

A) Accepts data and commands from the computer and translates commands into motion B) Pushes or pulls the paper through the printer C) Places the image on the paper D) Includes ribbons, ink cartridges, and toner cartridges

Computer Science & Information Technology

The method used by Wi-Fi devices to access a network without stepping on each other's data packets is _______________.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology