









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.
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 | |||
Which of the following statement is incorrect related to CD ? 1. A CD is capable of being used as data storage device along with strong of digital audio. 2. They are small, record-able, easily portable and very light weighted. 3. It includes pen / flash drive, memory card. 4. They are commonly used in many electronic devices, including digital cameras, mobile phones, laptop computers. | |||
| Right Option : A | |||
| View Explanation | |||
CD-ROM is a | |||
| Right Option : D | |||
| View Explanation | |||
My 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.

It 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

One 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.

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.

It was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.

My 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.

Abhyas 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.

It 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.

I 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

Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
