Comptia a+ ch.2 pg.80-89

Question 1

T/F DVD-R,DVD+R DS,SL has more GB capacity than BD-R/RE SS, SL? Pg.80

Answer 1

False

Question 2

How are CD-ROMs rated? Pg.80

Answer 2

By their data transfer speed

Question 3

What is regarded as the highest transfer rate in data CDs? Pg.80

Answer 3

52X

Question 4

What is the 1X transfer rate for DVD-Rom? Pg.81

Answer 4

1.4MBps

Question 5

T/F When rewriting or burning to a disc, you can only write to it after it has been totally erased. Pg.81

Answer 5

False. You can erase and write at the same time but the margin of error is greater because the crystalline material does not adequately return to its neutral state before the write operation

Question 6

What are CD-RW also known as? Pg.81

Answer 6

CD burners

Question 7

How can one distinguish between CD-ROM drives and CD-R and CD-RW? Pg.81

Answer 7

By a logo on the front panel indicating CD-R or CD-RW

Question 8

What is meant by compound rating? Pg.82

Answer 8

IN CD-RW drives a rating of 52X,32X,52X means it writes in 52X, rewrites at 32X, and reads at 52X

Question 9

Which DVD format can be used like a DVD-ROM? Pg.83

Answer 9

DVD-R, DVD+R

Question 10

What is the major difference between PATA and SATA? PG.84

Answer 10

Pata uses 40 pin connectors whereas SATA uses a 7 pin card edge connector

Question 11

T/F If ATA5 or ATA6 is connected to a 40 wire cable or is used on a system that supports lower speed modes, it will up the performance of these modes to its performance level? Pg.85

Answer 11

False it will revert to the ATA4 performance level