Computer Memory & Storage Devices MCQ Test – Evaluate Your Knowledge Online

Test your knowledge of computer memory and storage devices with this online MCQ quiz. Learn about RAM, ROM, SSDs, hard drives, cache memory and more.

Questions (30)


  1. What is the primary function of the computer's memory?

    • a) To process data
    • b) To store data and instructions for the CPU
    • c) To display graphics on the monitor
    • d) To manage hardware resources
    View Answer
    Correct To store data and instructions for the CPU
  2. Which of the following is a type of non-volatile memory?

    • a) ROM
    • b) RAM
    • c) Cache
    • d) Registers
    View Answer
    Correct ROM
  3. Which of the following is an example of primary memory?

    • a) Flash Drive
    • b) Hard Drive
    • c) CD-ROM
    • d) RAM
    View Answer
    Correct RAM
  4. Which type of memory is used for temporary storage of data and is volatile?

    • a) Flash Memory
    • b) ROM
    • c) RAM
    • d) Magnetic Disk
    View Answer
    Correct RAM
  5. Which of the following is a storage device that uses non-volatile memory to store data?

    • a) RAM
    • b) SSD
    • c) Cache
    • d) CPU registers
    View Answer
    Correct SSD
  6. What is the primary purpose of the cache memory in a computer?

    • a) To store frequently accessed data for quick access
    • b) To store long-term data
    • c) To hold data temporarily while it is being processed
    • d) To back up the operating system
    View Answer
    Correct To store frequently accessed data for quick access
  7. Which of the following is an example of secondary storage?

    • a) Registers
    • b) RAM
    • c) CPU Cache
    • d) Hard Drive
    View Answer
    Correct Hard Drive
  8. What does the term "volatile memory" mean?

    • a) The memory is slower but more reliable
    • b) The data is retained permanently
    • c) The data is lost when the power is turned off
    • d) The memory can store both data and programs
    View Answer
    Correct The data is lost when the power is turned off
  9. Which of the following is true about ROM?

    • a) It is non-volatile and stores firmware
    • b) It is volatile and used for temporary storage
    • c) It is faster than RAM
    • d) It can be rewritten multiple times
    View Answer
    Correct It is non-volatile and stores firmware
  10. Which of the following is an example of a magnetic storage device?

    • a) Hard Disk Drive
    • b) SSD
    • c) CD-ROM
    • d) USB Flash Drive
    View Answer
    Correct Hard Disk Drive
  11. What is the primary function of a hard disk drive (HDD)?

    • a) To execute instructions from software
    • b) To store data on non-volatile memory chips
    • c) To store data on rotating magnetic disks
    • d) To provide temporary working memory for the CPU
    View Answer
    Correct To store data on rotating magnetic disks
  12. Which of the following is a characteristic of Flash memory?

    • a) It is slower than RAM
    • b) It is volatile and used for temporary storage
    • c) It stores data on magnetic disks
    • d) It is non-volatile and can be rewritten multiple times
    View Answer
    Correct It is non-volatile and can be rewritten multiple times
  13. Which type of memory is typically used in smartphones and digital cameras?

    • a) Flash memory
    • b) RAM
    • c) ROM
    • d) Magnetic tape
    View Answer
    Correct Flash memory
  14. What does the term "SSD" stand for?

    • a) Solid State Drive
    • b) Static Storage Device
    • c) Secure Storage Disk
    • d) Super Speed Disk
    View Answer
    Correct Solid State Drive
  15. Which of the following storage devices is faster than a traditional hard disk drive (HDD)?

    • a) Magnetic Tape
    • b) SSD (Solid State Drive)
    • c) Optical Disk
    • d) Floppy Disk
    View Answer
    Correct SSD (Solid State Drive)
  16. Which of the following is used to store data on optical discs?

    • a) High-frequency signals
    • b) Magnetic fields
    • c) Electric charges
    • d) Laser beams
    View Answer
    Correct Laser beams
  17. What is the main advantage of SSDs over traditional HDDs?

    • a) Higher storage capacity
    • b) Faster data access and no moving parts
    • c) Lower cost
    • d) Easier to repair
    View Answer
    Correct Faster data access and no moving parts
  18. Which of the following is a storage medium that uses laser technology to store data?

    • a) Optical Disk
    • b) Hard Disk Drive
    • c) Flash Drive
    • d) RAM
    View Answer
    Correct Optical Disk
  19. Which of the following is an example of a read-write storage medium?

    • a) Hard Disk Drive
    • b) ROM
    • c) CD-ROM
    • d) Floppy Disk
    View Answer
    Correct Hard Disk Drive
  20. What does the term "RAM" stand for?

    • a) Random Array Memory
    • b) Read Access Memory
    • c) Random Access Memory
    • d) Real-time Access Memory
    View Answer
    Correct Random Access Memory
  21. Which of the following is the primary characteristic of dynamic RAM (DRAM)?

    • a) It has a faster access time than static RAM
    • b) It requires periodic refreshing to maintain data
    • c) It is used primarily for cache memory
    • d) It is non-volatile
    View Answer
    Correct It requires periodic refreshing to maintain data
  22. What is the main limitation of using magnetic tape for data storage?

    • a) Slower data access speed compared to HDDs and SSDs
    • b) Limited capacity
    • c) Non-volatility
    • d) Fragility
    View Answer
    Correct Slower data access speed compared to HDDs and SSDs
  23. In which of the following scenarios would a solid-state drive (SSD) be the most suitable?

    • a) For long-term archival storage
    • b) For applications requiring fast data retrieval and reliability
    • c) For media with read-only data
    • d) For use in low-cost devices
    View Answer
    Correct For applications requiring fast data retrieval and reliability
  24. What does the term "hard drive" refer to?

    • a) A backup storage device
    • b) A storage device that stores data on flash memory chips
    • c) A device used for network storage
    • d) A mechanical storage device using magnetic disks
    View Answer
    Correct A mechanical storage device using magnetic disks
  25. Which of the following storage devices has the longest data retrieval time?

    • a) Magnetic tape
    • b) SSD
    • c) Hard Disk Drive
    • d) Flash memory
    View Answer
    Correct Magnetic tape
  26. What does the acronym "USB" stand for in "USB flash drive"?

    • a) United Storage Bus
    • b) Universal Storage Band
    • c) Universal Serial Bus
    • d) Universal Security Block
    View Answer
    Correct Universal Serial Bus
  27. What is the characteristic of ROM (Read-Only Memory)?

    • a) Data cannot be easily modified or erased
    • b) Data is stored temporarily
    • c) It is used as the system’s main memory
    • d) Data is stored in registers
    View Answer
    Correct Data cannot be easily modified or erased
  28. What is one advantage of using an SSD over an HDD?

    • a) Less expensive
    • b) Higher storage capacity
    • c) Faster boot times and faster file access
    • d) More durable
    View Answer
    Correct Faster boot times and faster file access
  29. Which of the following is the most durable type of storage device?

    • a) USB flash drive
    • b) Optical disk
    • c) Magnetic disk
    • d) SSD
    View Answer
    Correct SSD
  30. What type of memory is typically used for storing the BIOS in a computer?

    • a) ROM
    • b) RAM
    • c) Flash memory
    • d) Cache memory
    View Answer
    Correct ROM

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