You can check the original specs for any Dell computer by checking the "Service Tag" on the bottom of the laptop, and going to the Dell.com website.
The standard XT originally came with a 10MB Seagate ST-412 hard drive
The differences are relatively minor. The XT included a hard drive, while the original PC needed a card and drive provided for it. The XT also lacked a jack to connect a cassette drive as storage. No version of the IBM PC had a processor faster than 4.77 MHz, but the XT had a version with a 6 MHz processor.
The DVD Drive is a drive that is used for reading CDs or DVDs.
yes my DVD drive can burn
No you have to buy an external dvd drive
Features that can be found on the Dell Latitude d610 Laptop include a 14 inch screen, a DVD drive, and two USB sockets. It uses Dothan Pentium M, DDR2 memory, and a PATA hard drive.
A "PC/XT" would be either the IBM Personal Computer XT, or one of it's many clones. The XT was very similar to the original PC, but included a hard drive and updated floppy controller. It also removed the often unused data casette port on the back.
The purpose of a DVD drive is to read and write CD's and DVD's. If the drive also has rewriting capability, it can also burn CD's and DVD's.
DVD's
A floppy drive or a CD drive or a DVD drive.
a CD drive plays music and a DVD drive plays movies.
1.44MB drive is a floppy drive and not a DVD drive. DVD and CD drives are bigger in size and connect with a different cable (same as a PATA harddisk cable) on the motherboard. - Neeraj Sharma