5.3 Optical Media

Match each label on the left with the correct characteristics on the right. A. Compact Disc (CD) B. Digital Versatile Disc (DVD) C. Blu-ray (BD) D. Compact Disc (CD-RW) E. Digital Versatile Disc (DVD-RW) F. Blu-ray Disc (BD-RE) 1. First developed to store digital music. Later, was adapted to store digital computer data. 2. Can be written, read many times, erased, rewritten, and has a capacity of about 650 MB. 3. Single-sided discs can hold about 4.7 GB of data. Dual-layer discs can hold up to 8.5 GB of data. 4. Dual-layer version employs two recordable dye layers, each capable of storing data. 5. Uses blue laser light. which has a short wavelength, allowing data to be packed more tightly onto the disc and is rewritable. 6. Was originally developed for high-definition video (and expanded content on movie discs), but can also be used for data storage.

1. First developed to store digital music. Later, was adapted to store digital computer data. A. Compact Disc (CD) 2. Can be written, read many times, erased, rewritten, and has a capacity of about 650 MB. D. Compact Disc (CD-RW) 3. Single-sided discs can hold about 4.7 GB of data. Dual-layer discs can hold up to 8.5 GB of data. B. Digital Versatile Disc (DVD) 4. Dual-layer version employs two recordable dye layers, each capable of storing data. E. Digital Versatile Disc (DVD-RW) 5. Uses blue laser light. which has a short wavelength, allowing data to be packed more tightly onto the disc and is rewritable. F. Blu-ray Disc (BD-RE) 6. Was originally developed for high-definition video (and expanded content on movie discs), but can also be used for data storage. C. Blu-ray (BD)

Which of the following are optical storage devices? (Select THREE.) A. DVD B. SSD C. CD D. BD E. HDD F. USB flash drive G. SDHC

A. DVD C. CD D. BD

Which optical media has the greatest storage capacity? A. Single-layer, single-sided Blu-ray disc B. Dual-layer, single-sided DVD C. Compact disc D. Dual-layer, double-sided DVD

A. Single-layer, single-sided Blu-ray disc

You have a CD-RW drive that advertises speeds of 32x/12x/48x. What is the read speed of the drive? A. Depends upon the manufacturer's speed designation standards B. 48x C. 32x

B. 48x

Which Blu-ray standard defines rewritable disks? A. BD-R/RW B. BD-R C. BD-RE D. BD-ROM

C. BD-RE

Due to a blackout, power is no longer coming from the wall outlet, and your computer is now off. You do not have a UPS, and you need to remove a disc out of the DVD drive. What is the easiest method for retrieving the disc? A. Press the drive's eject button while pressing the computer's restart button. B. Add a UPS between the wall outlet and the computer. C. Push an unbent paper clip into the hole on the front of the drive. D. Remove the drive and carefully pry open the tray.

C. Push an unbent paper clip into the hole on the front of the drive.