Download (UACP35) - (MULTIMEDIA)

ACADEMIC YEAR: 2015 – 2016
Interfaces
REGULATION CBCS - 2012
Below are the different interfaces that allow a CD-ROM and other disc drives to connect to a computer.
 IDE/ATA - One of the most commonly used interfaces for disc drives.
 Panasonic - Older proprietary interface.
 Parallel - Interface used with old external CD-ROM drives.
 PCMCIA (PC Card) - Interface sometimes used to connect external disc drives
tolaptop computers.
 SATA - Replacing IDE as the new standard to connect disc drives.
 SCSI - Another common interface used with disk and disc drives.
 USB - Interface most commonly used to connect external disc drives.
Below is the standard transfer rates and access times for CD-ROM drives. The below figures
are averages you can expect to find on each speed of CD-ROM drive.
Drive speed
Transfer rate (Mbit/s)
Single speed (1x) 1.2288
Double speed (2x) 2.4576
Quad speed (4x) 4.9152
Six speed (6x)
7.0653
Eight speed (8x) 9.8304
Ten speed (10x)
12.288
Twelve speed (12x) 14.7456
Eighteen
speed 21.8343
(18x)
Twenty
speed up to 24.576
(20x)
Thirty-two speed up to 39.3216
(32x)
Thirty-six
speed up to 44.2368
(36x)
Fifty-two
speed up to 63.8976
(52x)
Seventy-two speed up to 88.4736
(72x)
CAV drives (12x - 1,843,200 - 3,686,400
24x)
Access time (ms)
400
300
150
150
100
100
100
90
90
85
80
80
75
150-90
3. Explain about applications of multimedia. (NOV 2014)
MULTIMEDIA APPLICATION