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Exercises

Ex.1

Answer the questions:

  1. What is CD-ROM?

  2. Why is it possible to store the large amount of information on CDs?

  3. How can the information be compressed?

  4. What device reads the information written on the disk?

  5. What is done to provide from CD-ROM piracy?

  6. What is SID?

  7. What are the main data formats?

Ex.2

Study the sentences. Use the dictionary to find out what the italicized words mean.

  1. The CD-ROM is a non-volatile optical data storage medium.

  2. CD-RW disks contain phase-change material.

  3. Data compressing technology allows larger capacities to the CDs.

  4. A 32x CD-ROM drive uses a ball bearing system to balance the spinning disk in the drive to reduce the noise.

  5. CD-ROM drivers are now-common computer peripheral.

  6. Constant angular velocity drives give speed up to 20x.

  7. The bootable CD specification makes a CD emulate the hard disk or floppy.

Ex.3

Decide whether the statements are true or not. Correct the wrong once.

  1. __ The CD-ROM Yellow Book standard was established in 1981 by Microsoft.

  2. __ CDs can either be printed or typed.

  3. __ Pits are pressed into a lower surface of a plastic disk.

  4. __ A DVD-ROM can contain ten times less data as a CD-ROM.

  5. __ Most CD-ROM drives can also play audio CDs.

  6. __ There is only one format used for CD-ROM data.

  7. __ 20x is the maximum speed for the CD-ROM.

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