CD Rom and Other Storage Devices
CD Rom and Other Storage Devices
Optical Storage:
Optical storage is any storage type in which data is written and read with a laser. It includes CD, DVD and Blu - ray disc.
An optical disk is an electronic data storage medium that can be written to and read using a low- powered laser beam. Optical drives retrieve and/or store data on optical disks like CDs, DVDS and BDs (blue-ray discs), which hold much more information than classic portable media options like the floppy disk, Optical disks are mostly used in CDs and DVDS.
Digital Video Disk (DVD) :
DVD is also known as Super Density Disc (SDD) or Digital Versatile Disc (DVD). It is an optical disc storage media. DVDs offer higher storage capacity than CDs while having the same dimensions. DVDs come in three varieties as follows
(i) DVD - ROM ( Digital video Disc - Read Only Memory)
(ii) DVD - R ( DVD - Record able)
(iii) DVD - RW (DVD - Re writable )
__________ is an optical disc storage medium designed to re - capture the data normally in DVD format. | |||
| Right Option : D | |||
| View Explanation | |||
What does DVD stand for ? | |||
| Right Option : C | |||
| View Explanation | |||
Match the following with their correct meaning :
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| Right Option : B | |||||||||||
| View Explanation | |||||||||||
Students / Parents Reviews [10]
Being a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
Barkha Arora
10thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
