COMPUTER FUNDAMENTALS

Detailed explanation-1: -Amount of time it takes storage device to begin reading data. Which medium stores the least amount of information? Removable, portable storage device inserted into a USB slot.

Detailed explanation-2: -CDs can store up to 700 MB (megabytes) of data, and DVDs can store up to 8.4 GB (gigabytes) of data. Blu-ray discs, the newest type of optical media, can store up to 50 GB of data. This storage capacity is a clear advantage over the floppy disk storage media (magnetic media), which only has a capacity of 1.44 MB.

Detailed explanation-3: -CD-ROM, abbreviation of compact disc read-only memory, type of computer memory in the form of a compact disc that is read by optical means. A CD-ROM drive uses a low-power laser beam to read digitized (binary) data that has been encoded in the form of tiny pits on an optical disk.

Detailed explanation-4: -It is a digital storage medium that can hold large amounts of data, including text, images and audio. The data on a CD-ROM is encoded in a spiral track that begins at the center of the disc and extends to the edge. This track is read by a laser, which is reflected back to a sensor in the CD drive.