Name:______Period #:______

Unit 3—Part A: Memory

Listening Guide

  1. Define memory. ______

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  1. RAM stands for ______.
  2. RAM is the memory that holds data as you ______.
  3. RAM is volatile. What does Volatile mean? ______
  4. Many people add ______to their computers to improve performance when their computer is sluggish.
  5. ROM stands for ______.
  6. ROM contains the instructions the computer uses when it ______.
  7. ROM is non-volatile. What does non-volatile mean? ______
  8. Define Binary Code. ______

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  1. Binary Code uses just two digits ______& ______.
  2. Each 0 or 1 is called a ______.
  3. A combination of eight bits is called a ______.
  4. One byte represents ______.
  5. Kilobyte (KB) = Approximately ______.
  6. Megabyte (MB) = Approximately ______.
  7. Gigabyte (GB) = Approximately ______.
  8. Terabyte (TB) = Approximately ______.
  9. Approximately how many magazine pages (5000 characters per page) would it take to fill one Terabyte of disk space? ______
  10. Petabyte (PB) = Approximately ______.
  11. Exabyte (EB) = Approximately ______.

Unit 3—Part B: Storage

Listening Guide

  1. Define Storage.
  1. What are four popular storage devices used today.
  2. c.
  3. d.
  4. List the three kinds of storage
  1. Define Magnetic Storage.
  1. List three storage devices that use magnetic storage.

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  1. A hard drive is a mass storage device located ______.
  2. An external hard drive has its own separate case and sits ______.
  3. Floppy disks are becoming obsolete, which means ______.
  4. What are magnetic tapes used for?
  1. Define Optical Storage.
  1. CDs are used to ______.
  2. CD storage capacity is from ______to ______.
  3. DVDs are used to ______.
  4. DVD storage capacity is from ______to______.
  5. How many times can you burn data to a CD-ROM or DVD-ROM? ______
  6. How many times can you burn data to a CD-R or DVD-R? ______
  7. How many times can you burn data to a CD-RW or DVD-RW? ______
  8. Which types of CD and DVD can you reformat, erase and rewrite data to? ______
  9. Define Electronic Storage.
  1. List 3 storage devices that use Electronic Storage.

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  1. Why is Electronic Storage faster?
  1. Define Flash Drive.
  1. Flash Drives can store anywhere from ______to ______.
  1. Memory cards are used to store data in ______.
  2. Memory cards store anywhere from ______up to ______.
  1. Write a paragraph discussing the difference between solid state drives and hard disk drives discussed in the video on slide 14.
  1. What does SSD stand for? ______
  1. Solid state drives store data via electronic semiconductors that are built from solid materials and have no ______.
  1. What are the advantages of an SSD drive over a hard drive?
  1. What are two disadvantages of using an SSD drive over a hard drive?
  1. When something is in the cloud, it means it is stored on ______instead of on ______.
  1. Cloud based applications are called ______and run inside your Internet browser.
  1. With your photos and other multi-media stored in the cloud, you will never have to worry about ______.
  1. You can use cloud based services like ______or ______to back up the contents of your computer.
  1. What are 2 things the cloud has to offer you? ______

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  1. What does SaaS stand for? ______
  1. With SaaS, software is not installed on your computer, instead it is installed on ______and you pay to ______the software via the ______.
  1. Using the cloud allows companies to pay for ______rather than ______and ______to service them.
  1. What are two reasons you should use the cloud?

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  1. Write 2-3 sentences discussing Cloud Computing Security.