Quizzen vanaf juli 2012 juli 1What is the purpose of a primary key? juli 2Copying large amounts of data from a website is also called what? juli 3Criminal activity done using computers and the Internet is also known as what? juli 4Business done over the Internet is also called what? juli 5Which of the following best describes a null value? juli 6JPEG, GIF, and PNG are all what type of image? juli 7What of the following statements best describes an algorithm? juli 8Which of the following email fields hides a recipient's address from recipients? juli 9An intranet extended over the Internet may also be called what? juli 10Which of the following is an example of a MIDI input device? juli 11What is the difference between a constant and a variable? juli 12What is the name of the code that can be compiled into an application? juli 13A temporary storage area that contains a queue of jobs is also called what? juli 14How many bytes are in an exabyte? juli 15What type of hardware is available in ECC and non-ECC models? juli 16Why is UDP used for streaming media? juli 17What process turns source code into an executable program? juli 18Which of the following statements best describes a sprite? juli 19What does the word "monochrome" mean? juli 20Which of the following is not a type of flat-screen display? juli 21What type of data do MP3 files contain? juli 22What function does a surge protector perform? juli 23What company developed PostScript? juli 24What is the purpose of a text cursor? juli 25What functionality does JRE enable? juli 26Which of the following statements best describes a user interface? juli 27Key combinations used to perform commands are also called what? juli 28Which of the following is not a storage device? juli 29Which of the following best describes a network? juli 30What is another name for an online journal? juli 31What is the purpose of a whitelist?