Question

Write short notes of the following :(i) track (ii) sector​

Answer 1

Explanation:

A track is a physical division of data in a disk drive,as used in Cylinder Head Record.A track is that portion of a disk which passes a single stationary head during a disk rotation,a ring 1 bit wide.

A sector is a sub division of a track on a magnetic disk or optical disk. Each sector stores a fixed amount of user accessible data 512 bytes for hard disk drives and 2048 bytes for CD ROMs. Newer Hard Disk Drive use 4096 byte.

Answer 2

Answer:

e - business is any kind of business or commercial transaction that includes sharing information across the internet. Commerce constitutes the exchange.