Components of a Computer System

Which of the following looks just a like a CD-ROM but can store much more information? A. CPU B. DVD-ROM C. External Hard Drive D. USB Flash Drive

DVD-ROM

True or False: The primary difference between a DVD and a CD is that one is read and written using optics, while the other uses magnets.

False

True of False: A display, or monitor, is considered a pice of computer hardware.

True

What input device allows users to enter data with text, numbers, and punctuation?

keyboard

What is the common name of the main circuit board within a computer that usually contains the main component of the computer, keyboard, and monitor circuitry, and slots for accepting additional circuit boards?

motherboard

What device allows users to manipulate data by controlling an on-screen pointer?

mouse

What is responsible for converting AC power to DC power?

power supply

Which of the following is an example of an optical disk drive? A. CD-ROM B. CPU C. Hard Drive D. USB

A. CD-ROM

What is the main component in the computer that runs calculations and programs?

CPU

What is the term for the memory a computer uses to run programs?

RAM