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.

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  • 📋 Total Questions: 30
  • Time Limit: 30 minutes
  • 📝 Marking Scheme: +1 for each correct answer. No negative marking.
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Time Left (min): 00:00

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

  • To process data
  • To store data and instructions for the CPU
  • To display graphics on the monitor
  • To manage hardware resources

2. Which of the following is a type of non-volatile memory?

  • ROM
  • RAM
  • Cache
  • Registers

3. Which of the following is an example of primary memory?

  • Flash Drive
  • Hard Drive
  • CD-ROM
  • RAM

4. Which type of memory is used for temporary storage of data and is volatile?

  • Flash Memory
  • ROM
  • RAM
  • Magnetic Disk

5. Which of the following is a storage device that uses non-volatile memory to store data?

  • RAM
  • SSD
  • Cache
  • CPU registers

6. What is the primary purpose of the cache memory in a computer?

  • To store frequently accessed data for quick access
  • To store long-term data
  • To hold data temporarily while it is being processed
  • To back up the operating system

7. Which of the following is an example of secondary storage?

  • Registers
  • RAM
  • CPU Cache
  • Hard Drive

8. What does the term "volatile memory" mean?

  • The memory is slower but more reliable
  • The data is retained permanently
  • The data is lost when the power is turned off
  • The memory can store both data and programs

9. Which of the following is true about ROM?

  • It is non-volatile and stores firmware
  • It is volatile and used for temporary storage
  • It is faster than RAM
  • It can be rewritten multiple times

10. Which of the following is an example of a magnetic storage device?

  • Hard Disk Drive
  • SSD
  • CD-ROM
  • USB Flash Drive

11. What is the primary function of a hard disk drive (HDD)?

  • To execute instructions from software
  • To store data on non-volatile memory chips
  • To store data on rotating magnetic disks
  • To provide temporary working memory for the CPU

12. Which of the following is a characteristic of Flash memory?

  • It is slower than RAM
  • It is volatile and used for temporary storage
  • It stores data on magnetic disks
  • It is non-volatile and can be rewritten multiple times

13. Which type of memory is typically used in smartphones and digital cameras?

  • Flash memory
  • RAM
  • ROM
  • Magnetic tape

14. What does the term "SSD" stand for?

  • Solid State Drive
  • Static Storage Device
  • Secure Storage Disk
  • Super Speed Disk

15. Which of the following storage devices is faster than a traditional hard disk drive (HDD)?

  • Magnetic Tape
  • SSD (Solid State Drive)
  • Optical Disk
  • Floppy Disk

16. Which of the following is used to store data on optical discs?

  • High-frequency signals
  • Magnetic fields
  • Electric charges
  • Laser beams

17. What is the main advantage of SSDs over traditional HDDs?

  • Higher storage capacity
  • Faster data access and no moving parts
  • Lower cost
  • Easier to repair

18. Which of the following is a storage medium that uses laser technology to store data?

  • Optical Disk
  • Hard Disk Drive
  • Flash Drive
  • RAM

19. Which of the following is an example of a read-write storage medium?

  • Hard Disk Drive
  • ROM
  • CD-ROM
  • Floppy Disk

20. What does the term "RAM" stand for?

  • Random Array Memory
  • Read Access Memory
  • Random Access Memory
  • Real-time Access Memory

21. Which of the following is the primary characteristic of dynamic RAM (DRAM)?

  • It has a faster access time than static RAM
  • It requires periodic refreshing to maintain data
  • It is used primarily for cache memory
  • It is non-volatile

22. What is the main limitation of using magnetic tape for data storage?

  • Slower data access speed compared to HDDs and SSDs
  • Limited capacity
  • Non-volatility
  • Fragility

23. In which of the following scenarios would a solid-state drive (SSD) be the most suitable?

  • For long-term archival storage
  • For applications requiring fast data retrieval and reliability
  • For media with read-only data
  • For use in low-cost devices

24. What does the term "hard drive" refer to?

  • A backup storage device
  • A storage device that stores data on flash memory chips
  • A device used for network storage
  • A mechanical storage device using magnetic disks

25. Which of the following storage devices has the longest data retrieval time?

  • Magnetic tape
  • SSD
  • Hard Disk Drive
  • Flash memory

26. What does the acronym "USB" stand for in "USB flash drive"?

  • United Storage Bus
  • Universal Storage Band
  • Universal Serial Bus
  • Universal Security Block

27. What is the characteristic of ROM (Read-Only Memory)?

  • Data cannot be easily modified or erased
  • Data is stored temporarily
  • It is used as the system’s main memory
  • Data is stored in registers

28. What is one advantage of using an SSD over an HDD?

  • Less expensive
  • Higher storage capacity
  • Faster boot times and faster file access
  • More durable

29. Which of the following is the most durable type of storage device?

  • USB flash drive
  • Optical disk
  • Magnetic disk
  • SSD

30. What type of memory is typically used for storing the BIOS in a computer?

  • ROM
  • RAM
  • Flash memory
  • Cache memory