Chapter 22

Fill in the blanks with the correct vocabulary word or words. ______ is a base-2 number system.

Fill in the blanks with the correct vocabulary word or words. A (n) _______ can change AC current to DC current.

Fill in the blanks with the correct vocabulary word or words. \(\mathrm{A}(\mathrm{n})\) ______ is made from a single piece of semiconductor material and can contain thousands of solid-state components.

Fill in the blanks with the correct vocabulary word or words. The information in a computer's ______ changes each time the computer is used.

Fill in the blanks with the correct vocabulary word or words. An electronic device that can be used as a switch or to amplify electronic signals is \(\mathbf{a}(\mathbf{n})\) ______.

Fill in the blanks with the correct vocabulary word or words. \(\mathrm{A}(\mathrm{n})\) _______ is also called a CPU.

Choose the word or phrase that best answers the question. Which of the following best describes integrated circuits? A) They can be read with a laser. B) They use vacuum tubes as transistors and diodes. C) They contain pits and flat areas. D) They can be small and contain a large number of solid-state components.

Choose the word or phrase that best answers the question. Which type of elements are semiconductors? A) metals B) nonmetals C) metalloids D) gases

Choose the word or phrase that best answers the question. How is a digital signal different from an analog signal? A) It uses electric current. B) It varies continuously. C) It changes in steps. D) It is used as a switch.

Choose the word or phrase that best answers the question. Which of the following uses magnetic materials to store digital information. A) DVD B) hard disk C) RAM D) compact disk

Choose the word or phrase that best answers the question. Which part of a computer carries out the instructions contained in computer programs and software? A) RAM B) ROM C) hard disk D) microprocessor

Choose the word or phrase that best answers the question. Which type of computer memory is used when a computer is first turned on? A) ROM B) RAM C) DVD D) floppy disk

Choose the word or phrase that best answers the question. The instructions contained in a computer program are stored in which type of computer memory while the program is being used? A) ROM B) RAM C) CD D) floppy disk

Microprocessors continue to be developed that are more complex and contain an ever-increasing number of solid state components. Visit msscience.com for links to information about different microprocessors and how they have changed. Make a poster that summarizes what you have learned.