Solution: The magnetic tape ribbon is used for the same. It has read/write heads for reading/writing of data on the tape. When processing is complete, the tape is removed from the tape drive for off-line storage.

Solution: It is a direct access secondary storage device. In case of direct access devices, the storage location may be selected and accessed at random.

Solution: The concentric circles are called as tracks. The tracks are numbered consecutively from outermost to innermost starting from zero. The number of tracks on a disk may be as few as 40 on small-capacity disks to several thousand on large capacity disks.

Solution: Each track of a disk is subdivided into sectors. There are 8 or more sectors per track. Disk drives are designed to read/write only whole sectors at a time.

Solution: Each track of a disc is divided into sectors. A sector typically contains 512 bytes. Disk drives are designed to read/write only whole sectors at a time.

Solution: Disk address represents the physical location of the record on the disk. It is comprised of the sector number, track number, and surface number (when double-sided disks are used).

Solution: CHS stands for cylinder-head-sector. The scheme is called CHS addressing. The same is also referred to as disk geometry.

Solution: The interval is referred to as the disk arrival time. It depends on several parameters. Generally, a computer makes a request and the operation is served.

Solution: The disk access time depends on the seek time, latency and transfer rate. Wherein, seek time is the time required to position the read/write head over the desired track.

Solution: It is called latency. It is one of the factors on which the disk access time depends. Disk access time is the interval between the instant a request is made and the instance operation is completed.