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05 - Practice Test

 1. Which of the following retains its data even after the computer is switched off?

  ACCUMULATOR

  ROM

  RAM

  CACHE

 2. The hard disk is a computer's main internal backing store.

  TRUE

  FALSE

 3. The size of a hard disk is best measured in bytes

  TRUE

  FALSE

 4. A hard disk is a type of magnetic media

  FALSE

  TRUE

 5. A CD-ROM is an example of zip solid state storage device

  FALSE

  TRUE

 6. DVD stands for 'Digital Versatile Disc' as they are able to store a variety of data formats, though they are most commonly used for storing video.

  FALSE

  TRUE

 7. A ______________would be the most suitable device to transport a file from home to school

  RAM stick

  70 TB Hard drive

  CACHE MEMORY stick

  USB stick

 8. Floppy disk, CD-ROM, DVD is the correct order of storage size, starting with the smallest.

  TRUE

  FALSE

 9. Cloud storage is a service provided where your data is stored and managed and backed up ……

  on your home computer's hard drive

  on your PCs RAM stick (which is cloud like in shape)

  remotely by a specialist data centre.

  on your mobile phone's internal hard drive

 10. The data servers at the cloud data centre uses thousands of secondary storage devices such as hard disks and solid state drives to retain the data

  TRUE

  FALSE

 11. A secondary storage device is the _______________ that carries out the storage action

  physical cache

  physical hardware

  software

  peripheral attached directly to the CPU

 12. When selecting an appropriate storage media device which of the following factors would you take into consideration:

  All of the above are valid factors that a user must consider when selecting a suitable storage media

  Portability and Durability

  Reliability and Cost

  Capacity and Speed

 13. Optical discs are more portable than hard disks
They are also immune to magnetic fields

  FALSE

  TRUE

 14. The following excerpt is a disadvantage of ______________
The network connection has to be very reliable - if the connection is slow or unreliable you might not be able to access your files

  hard disk drive purchase

  the use of CD-ROMs

  the use of a solid state drive

  cloud storage

 15. If you are using ____________you will need to remember a login and user name in order to access your data remotely

  solid state drive storage

  optical drive storage

  hard disk drive storage

  cloud storage

 16. This type of storage is less durable than a hard disk as it has a limited number of erase \ write cycles - maybe a 100,000 cycles before it wears out.

  solid state drive storage

  optical drive storage

  hard disk drive storage

  cloud storage

 17. ______________are silent unlike hard disks

  optical drive storage

  cloud storage

  solid state drive storage

  hard disk drive storage

 18. You have a smart phone with 6GB of storage. You want to store music and photos on the phone. A typical mp3 encoded music file takes up 4MB. How many tracks can be stored on the phone?

  6000 MB/4 MB = 1,500 music files

  Both of the above are valid answers

  None of the above

  3000MB/10MB = 30 music files

 19. Imagine that a typical photo taken by a phone will be around 2MB. Convert GB into MB so you are using the same quantity. 6GB = 6000MB. How many photos can be stored?

  2000 photos

  5000 photos

  3000 photos

  4000 photos

 20. Magnetic tape is the lowest cost per Gigbayte, so a few cheap cartriges can easily store 10TB.

  True

  False