Random Access Memory Types Quiz
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Questions and Answers

Which type of memory is called volatile memory?

  • Dynamic RAM (DRAM)
  • Static RAM (SRAM) (correct)
  • Non-volatile Memory
  • Read-Only Memory (ROM)
  • What type of memory employs capacitors to store a minute amount of electric charge?

  • Static RAM (SRAM)
  • Non-volatile Memory
  • Read-Only Memory (ROM)
  • Dynamic RAM (DRAM) (correct)
  • Which type of memory must be refreshed frequently due to the dissipation of charges on the capacitors?

  • Static RAM (SRAM)
  • Read-Only Memory (ROM)
  • Dynamic RAM (DRAM) (correct)
  • Non-volatile Memory
  • Which type of memory is permanently programmed and non-volatile?

    <p>Read-Only Memory (ROM)</p> Signup and view all the answers

    Which type of memory can hold much more information in the same area than Static RAM (SRAM)?

    <p>Dynamic RAM (DRAM)</p> Signup and view all the answers

    Which term describes the feature of Random Access Memory (RAM) where any memory location can be accessed in the same amount of time, regardless of its position in the memory?

    <p>Random</p> Signup and view all the answers

    What is the main feature of EPROM (Erasable Programmable Read-Only Memory)?

    <p>It is used when software must be changed often</p> Signup and view all the answers

    What is the main difference between EPROM and PROM?

    <p>EPROM can be erased while PROM cannot be erased</p> Signup and view all the answers

    Which term best describes secondary storage devices?

    <p>Permanent storage devices</p> Signup and view all the answers

    What is the main difference between magnetic and optical storage devices?

    <p>Magnetic devices use a magnet, while optical devices use lasers</p> Signup and view all the answers

    What is the purpose of formatting disks before use?

    <p>To divide the disk into sectors and tracks</p> Signup and view all the answers

    What does RPM stand for in the context of disk drives?

    <p>Rotations Per Minute</p> Signup and view all the answers

    Which component of a disk drive is responsible for seeking across various tracks to find data?

    <p>Read/write head</p> Signup and view all the answers

    What is the main effect of well-arranged sectors on a disk?

    <p>It reduces seek delay</p> Signup and view all the answers

    In terms of disk storage, what does FAT stand for?

    <p>File Allocation Table</p> Signup and view all the answers

    If a disk spins at 10000 RPM, what is the rotational delay?

    <p>0.1 seconds per revolution</p> Signup and view all the answers

    Study Notes

    Memory Types

    • RAM (Random Access Memory) is a type of volatile memory that loses its contents when power is turned off.
    • DRAM (Dynamic Random Access Memory) employs capacitors to store a minute amount of electric charge.
    • DRAM memory must be refreshed frequently due to the dissipation of charges on the capacitors.
    • ROM (Read-Only Memory) is a type of non-volatile memory that is permanently programmed.
    • DRAM can hold much more information in the same area than SRAM (Static Random Access Memory).

    RAM Features

    • Random Access Memory (RAM) has the feature of random access, where any memory location can be accessed in the same amount of time, regardless of its position in the memory.

    EPROM Features

    • EPROM (Erasable Programmable Read-Only Memory) has the main feature of being erasable under ultraviolet light.
    • The main difference between EPROM and PROM (Programmable Read-Only Memory) is that EPROM is erasable, while PROM is not.

    Storage Devices

    • Secondary storage devices, such as hard drives and optical drives, hold data even when power is turned off.
    • The main difference between magnetic and optical storage devices is the method of storing data: magnetic devices use magnetic fields, while optical devices use light.
    • Formatting disks before use prepares them for storing data by creating a file system and directories.
    • RPM (Revolutions Per Minute) measures the speed of disk rotation in disk drives.
    • The actuator arm is responsible for seeking across various tracks to find data on a disk drive.
    • Well-arranged sectors on a disk reduce the time it takes to access data.
    • FAT (File Allocation Table) is a file system used to organize data on a disk.
    • If a disk spins at 10000 RPM, the rotational delay is 6 milliseconds.

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    Description

    Test your knowledge of Random-Access Memory (RAM) types with this quiz. Learn about Static RAM (SRAM) and Dynamic RAM (DRAM), their characteristics, and applications.

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