Until 2.6.1.2
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Questions and Answers

Which type of memory is non-volatile and retains data even when power is removed?

  • EEPROM
  • RAM
  • ROM (correct)
  • EPROM
  • What is the primary difference between EPROM and EEPROM?

  • EPROM is not a real type of memory, while EEPROM is a type of RAM
  • EPROM can only be erased electrically, while EEPROM can be erased both electrically and by shining ultraviolet light
  • EPROM can be erased and reused by shining ultraviolet light on to the chip, while EEPROM can only be erased electrically (correct)
  • EPROM is a type of RAM, while EEPROM is a type of ROM
  • What is the main advantage of using flash memory over EPROM?

  • Flash memory is faster than EEPROM
  • Flash memory is more reliable than EEPROM
  • Flash memory is cheaper than EEPROM
  • Flash memory can be erased and re-written electrically in circuit, while EPROM requires shining ultraviolet light or an electrical erase (correct)
  • What type of memory is commonly used in memory cards such as Compact Flash and Secure Digital?

    <p>Flash memory</p> Signup and view all the answers

    What is the difference between static and dynamic RAM?

    <p>Static RAM retains information as long as power is applied, while dynamic RAM needs to be refreshed regularly</p> Signup and view all the answers

    What is the main difference between PROM and ROM?

    <p>PROM is programmed by the manufacturer, while ROM is programmed later in the field by a user</p> Signup and view all the answers

    What is the main disadvantage of using RAM as a storage device?

    <p>RAM is volatile</p> Signup and view all the answers

    What is the basic storage element used in dynamic RAM?

    <p>MOS capacitor</p> Signup and view all the answers

    Study Notes

    Overview of Memory Devices and Their Types

    • RAM and ROM are two primary types of semiconductor memories.
    • RAM is volatile, and the data is lost when the power source is removed, but non-volatile RAMs exist.
    • ROM is non-volatile, and the logic function is stored permanently without electrical power.
    • EPROM or Erasable PROM can be erased and reused by shining ultraviolet light on to the chip.
    • PROM or Programmable ROM is not stored during manufacture, but later in the field by a user with necessary programming equipment.
    • EEPROM or E2PROM is a special type of erasable semiconductor memory where the data can be erased and re-written electrically in circuit.
    • Flash memory is a type of EEPROM that updates its contents in terms of groups of bytes or sectors.
    • NAND flash memory is commonly available as “memory cards” like Compact Flash (CF), Secure Digital (SD), MultiMedia Card (MMC) formats, etc.
    • RAM devices can be classified into two types: static and dynamic.
    • Static RAM's use a flip-flop as the storage element, and information is retained in the F/F for as long as power is applied.
    • Dynamic RAMs use the ability of MOS capacitors to store charge as the basic storage element, which must be refreshed regularly.
    • RAMs are manufactured using both MOS and bipolar technologies.

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    Description

    Test your knowledge of memory devices with this informative quiz! Discover the different types of semiconductor memories such as RAM and ROM, and learn about their unique characteristics. Explore the variety of erasable and programmable memory devices available, including EEPROM and flash memory. Dive into the classifications of RAM devices, including static and dynamic, and understand how they are manufactured using MOS and bipolar technologies. Challenge your memory device knowledge with this comprehensive quiz!

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