افتح القائمة الرئيسية

تغييرات

تم إضافة 6٬264 بايت، ‏ قبل 10 سنوات
ط
لا يوجد ملخص تحرير
 
الأقراص البصرية ، التي تسجل عليها مرة واحدة فقط ، تستعمل صباغة عضوية. و الأقراص التي تسجل أكثر من مرة تستعمل خليط معادن [[تحول طوري|تتحول طورياً]].
 
== مواصفات ==
 
{| class="wikitable"
|+ السرعة الأولى (1×) وأعلى سرعة حاليا
!rowspan="2"| الجيل
! قاعدة
!colspan="2"| أعلى سرعة
|-
! (ميجابايت/ثانية)
! (ميجابايت/ثانية)
! ×
|-
| أول ([[قرص مضغوط]])
| 1.17
| 65.62 || 56×
|-
| ثاني ([[دي في دي]])
| 10.55
| 210.94 || 20×
|-
| ثالث (BD)
| 36
| 432 || 12×
|-
|}
 
{| class="wikitable"
|+ الأنواع و السعات
!colspan="2" rowspan="2"| الصنف
!rowspan="2"| عدد الأوجه !!rowspan="2"| عدد الطبقات !! القطر !!colspan="2"| السعة
|-
! (سم) !! ([[جيجابايت|GB]]) !!align=right| ([[جيجابايت|GiB]])
|-
| DVD-1 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 1.46 ||align=right| 1.36
|-
| DVD-2 || title="single-sided, double-layer"| SS DL
|align=right| 1 ||align=right| 2 ||align=right| 8 ||align=right| 2.66 ||align=right| 2.47
|-
| DVD-3 || title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 8 ||align=right| 2.92 ||align=right| 2.72
<!--|-
| DVD-4? ||title="double-sided, double- and single-layer"| DS DL/SL
|align=right| 2 ||align=right| 3 ||align=right| 8 ||align=right| 4.12 ||align=right| 3.84--><!-- calculated, doubtful such discs ever existed -->
|-
| DVD-4 ||title="double-sided, double-layer"| DS DL
|align=right| 2 ||align=right| 4 ||align=right| 8 ||align=right| 5.32 ||align=right| 4.95
|-
| DVD-5 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 4.70 ||align=right| 4.37
|-
| DVD-9 ||title="single-sided, double-layer"| SS DL
|align=right| 1 ||align=right| 2 ||align=right| 12 ||align=right| 8.54 ||align=right| 7.95
|-
| DVD-10 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 9.40 ||align=right| 8.74
|-
| DVD-14 ||title="double-sided, double- and single-layer"| DS DL/SL
|align=right| 2 ||align=right| 3 ||align=right| 12 ||align=right| 13.24 ||align=right| 12.32 <!--calculated from data above-->
|-
| DVD-18 ||title="double-sided, double-layer"| DS DL
|align=right| 2 ||align=right| 4 ||align=right| 12 ||align=right| 17.08 ||align=right| 15.90
|-
| DVD-R 1.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 3.95 ||align=right| 3.68
|-
| DVD-R 2.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 4.70 ||align=right| 4.37
|-
| DVD-R 2.0 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 9.40 ||align=right| 8.75
|-
| DVD-RW 2.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 4.70 ||align=right| 4.37
|-
| DVD-RW 2.0 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 9.40 ||align=right| 8.75
|-
| DVD+R 2.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 4.70 ||align=right| 4.37
|-
| DVD+R 2.0 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 9.40 ||align=right| 8.75
|-
| DVD+RW 2.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 4.70 ||align=right| 4.37
|-
| DVD+RW 2.0 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 9.40 ||align=right| 8.75
|-
| DVD-RAM 1.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 2.58 ||align=right| 2.40
|-
| DVD-RAM 1.0 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 5.16 ||align=right| 4.80
|-
| DVD-RAM 2.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 4.70 ||align=right| 4.37
|-
| DVD-RAM 2.0 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 9.40 ||align=right| 8.75<!--*-->
|-
| DVD-RAM 2.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 1.46 ||align=right| 1.36<!--*-->
|-
| DVD-RAM 2.0 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 8 ||align=right| 2.65 ||align=right| 2.47<!--*-->
|-
| CD-ROM 74 min ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 0.682 ||align=right| 0.635
|-
| CD-ROM 80 min ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 0.737 ||align=right| 0.687
|-
| CD-ROM ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 0.194 ||align=right| 0.180
|-
| DDCD-ROM ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 1.364 ||align=right| 1.270
|-
| DDCD-ROM ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 0.387 ||align=right| 0.360
|-
| HD DVD<!-- -ROM/-R/-RW --> || SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 4.70 ||
|-
| HD DVD || SS DL
|align=right| 1 ||align=right| 2 ||align=right| 8 ||align=right| 9.40 ||
|-
| HD DVD || DS SL
|align=right| 2 ||align=right| 2 ||align=right| 8 ||align=right| 9.40 ||
|-
| HD DVD || DS DL
|align=right| 2 ||align=right| 4 ||align=right| 8 ||align=right| 18.80 ||
|-
| HD DVD || SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 15.00 ||
|-
| HD DVD || SS DL
|align=right| 1 ||align=right| 2 ||align=right| 12 ||align=right| 30.00 ||
|-
| HD DVD || DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 30.00 ||
|-
| HD DVD || DS DL
|align=right| 2 ||align=right| 4 ||align=right| 12 ||align=right| 60.00 ||
|-
| HD DVD-RAM || SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 20.00 ||
|}