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In magnetic disk ________ stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material.

In magnetic disk ________ stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material. Correct Answer Disk arm

Each side of a platter of a disk has a read–write head that moves across the platter to access different tracks.

Related Questions

In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the suggested course of action logically follow (s) for pursuing. Statement: Kalyan Jewellers has chalked out an aggressive expansion plan to double its retail stores to 250 in India and abroad as well as the turnover to Rs. 25,000 crore over the next five years.The Kerala-based jeweller currently operates 100 stores in the country and 32 overseas with a turnover of Rs. 10,500 crore in the 2017-18 fiscal year. Courses of action: I. The company is targeting to reach 250 stores in the next five years and investments will be met through internal accruals.  II. The company is expanding its retail network aggressively. In this fiscal, it earmarked Rs. 1,000 crore to open new stores. Already, Rs. 600 crore has been spent to launch 10 stores in the first of this fiscal and the remaining Rs. 400 crore will go towards adding 9-10 more stores by March 2019. III. The company is ‘hyper-local’ in nature and jewellery designs sold in each store keeps in mind the taste and traditions of the local region.
In rotating electrical machines, when the armature rotates, there are continuous magnetic reversals and power required for their reversals is called _____________
Consider a hard disk with 16 recording surfaces (0-15) having 16384 cylinders (0-16383) and each cylinder contains 64 sectors (0-63). Data storage capacity in each sector is 512 bytes. Data are organized cylinder-wise and the addressing format is . A file of size 42797 KB is stored in the disk and the starting disk location of the file is <1200, 9, 40>. What is the cylinder number of the last sector of the file, if it is stored in a contiguous manner?
Consider a hard disk with 16 recording surfaces (0-15) having 16384 cylinders (0-16383) and each cylinder contains 64 sectors(0-63). Data storage capacity in each sector is 512 bytes. Data are organized cyclinder-wise and the addressing format is . A file of size 42797KB is stored in the disk and the starting disk location of the file is <1200,9,40>. What is cylinder number of the last sector of the file, if it is stored in a contiguous manner?
Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials.
In a question below is given a statement followed by two inferences. Inference are logical conclusions from premises known or assumed to be true. You have to decide which inference can be formed from the given statement. Statement: Among the salaried people in a city, 40% of private sector employees are male members whereas 60% of population in the city is working in a private sector and 40% of government sector employees are females. Inference: I) Number of men working in private sector is equal to number of men working in government sector. Inference: II) Population of working women in the city is 60% of the total salaried population.
Identify the sector(s) of the Indian Economy which are the most affected by the Covid Pandemic: (a) MSME sector (b) Aviation sector (c) Tourism and Hospitality sector (d) Telecommunication sector
Statement : Many private sector banks have reduced interest rate on housing loans in comparison to public sector banks.

Courses of Action :
I. The case should be raised before the regulatory authority for investigation by the public sector banks as they cannot follow such reduction.
II. Public sector banks must adopt such policy to remain in competition.
III. The public sector banks should advertise their special feature repeatedly so that they do not lose their future customers.
Let disk request come to a disk driver for cylinders in the order 10, 22, 20, 2, 40, 6 and 38, at the time when the disk driver is reading from cylinder 20. If the seek time is 6 ms per cylinder, then the total seek time for the disk arm scheduling time algorithm (FCFS - First Come First Serve) is:
Disk requests come to a disk driver for cylinders in the order 10, 22, 20, 2, 40, 6 and 38, at a time when the disk drive is reading from cylinder 20. The seek time is 6 ms/cylinder. The total seek time, if the disk arm scheduling algorithms is first-come-first-served is