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Look through the texts and complete the following sentences.






1. Floppy disks and hard drives are …… storage devices.

2. The …… of a 3.5” floppy drive is only 1.44 MB.

3. Hard drives can …… hundreds of times more data than floppy disks.

4. The average time it takes the read/write heads to move and find data on a disk is called the …….

5. …… is another way of saying seek time.

6. …… is the average speed required to transmit data to the CPU from the disk; it is measured in megabytes per second.

7. Once formatted, a disk’s surface is organized into circular ……. Each of these is then divided into …….

8. When a disk is formatted, a …… is created by the operating system to record the location of files.

9. Portable DVD players usually support …… playback; this means the user can watch a wider variety of different file types (DivX, MP4, etc.).

10. CDs and DVDs are read using a red ……. In …… discs, however, it is blue-violet, hence the name.

11. Unlike a CD, a DVD can be …… and ……, giving it a capacity of up to 17GB.

12. DVD drives are ……, meaning that they can play older technologies such as CD-ROMs.

13. With the 4GB ……, you can back up, store, carry and offload large files with one affordable, convenient device. What’s more, …… means no moving parts, and therefore less chance of damage if the device is dropped.

14. Flash memory cards are read by a peripheral device called …….

Task 7.

Look through the texts again and answer the following questions.

1. Why do Blu-ray discs have such name?

2. Why does flash memory have such name?

3. Why does floppy disk have such name?

4. What does rpm stand for? What does it determine?

5. What is the difference between a DVD-burner and a DVD recorder?

6. What is the difference between XD formats (CD-ROM, CD-R, CD-RW)?

7. What is the difference between flash drives and external hard drives?

8. What storage device has a higher transfer rate?

Task 8.

Look through the texts again and decide if the following statements are true or false.

1. A hard drive spins at the same speed as a floppy disk drive.

2. If you format a hard drive that has files on it, all the files will be deleted.

3. The user cannot run separate operating systems on the same disk.

4. Seek time and transfer rate mean the same thing.

5. Disk drives are shock resistant, especially in operating mode.

6. In addition to CDs and DVDs, there are other types of optical storage; Blu-ray and HD-DVD, for example.

7. CDs and DVDs are similar in size and shape, but their structure is very different.

8. DVDs have more tracks, and the pits used to store data are smaller; as a result, they have a greater storage capacity than CDs.

9. DVDs can be played on CD players, so there’s no need to invest in new hardware.

10. A DVD-Writer is not compatible with old CD-ROMs.

11. Blu-ray may soon become the dominant optical storage technology.

 


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