Questions

A magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. It is covered with a magnetic coating and stores data in the form of tracks, spots, and sectors. Hard disks, zip disks, and floppy disks are common examples of magnetic disks.

Hence, Magnetic disks are the most popular medium for both Direct access and Sequential access.

Optical fiber works on the principle of total internal reflection.

The Total Internal Reflection is the phenomenon in which the complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.

Non-Brahmin lower caste movement took place in Madras and Maharashtra

Karnataka was not affected by the NCM.

There was labour unrest in Assam, Bengal and Madras

Statement 4 is incorrect as after the Chauri-Chaura incident the movement was completely stopped.

The phrase ‘between the cup and lip’ needs to be replaced with ‘between the cup and the lip’. It means a situation where things did not happen at the last minute the way they were expected to due to unforeseen reasons. Thus, the correct formation would be, ‘There is many a slip between the cup and the lip’.