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Question

Which is the primary memory of a computer?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
RAM

The question asks to identify the primary memory of a computer from the given options.

Primary Memory Identification

Primary memory, also known as main memory or internal memory, is the memory that the computer's CPU can access directly and quickly. It holds data and instructions that are currently being used.

Analyzing Computer Memory Options

  • RAM (Random Access Memory): This is a type of volatile primary memory. The CPU uses RAM to store data it needs to access quickly while running applications. It is volatile, meaning its contents are lost when the power is turned off.
  • DVD (Digital Versatile Disc): This is an optical disc storage medium used for storing data. It is a form of secondary memory (or external storage), not primary memory, because it's slower and not directly accessed by the CPU for active processing.
  • USB (Universal Serial Bus) Drive: This is a portable flash memory storage device. Like DVDs, USB drives are considered secondary memory, used for long-term storage and transferring files, not for active processing by the CPU.
  • CD (Compact Disc): Similar to DVDs, CDs are optical discs used for data storage. They are classified as secondary memory or external storage.

Conclusion on Primary Memory

Based on the definitions, RAM is the only option listed that functions as the computer's primary memory. The CPU directly interacts with RAM for active tasks, making it essential for the computer's immediate operation.

Therefore, RAM is the primary memory of a computer.

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Similar Questions

  1. Where is the cache memory located?
  2. Which of the following is an example of non-volatile memory?:
  3. Non-volatile memory is a type of computer memory that can retain stored information even when the computer is:
  4. Which of the following is a volatile memory?
  5. Which of the following is NOT a property of ROM (Read Only Memory)?
  6. 100 nibbles are equal to ______ bits.
  7. 1 EB is equal to ________.
  8. How many megabytes are equal to 1 gigabyte?
  9. Which among the following is the largest unit of memory of a computer system?
  10. A group of four bits is called a:

Important Questions from Memory

  1. Which among the following is incorrect about cache memory?

  2. _______viruses are embedded in a system's memory so it can be reactivated if the original virus is deleted.
  3. Which among the following statements is incorrect about secondary memory?

  4. ______memory is sometimes used to increase the speed of processing by making current programs and data available to the CPU at a rapid rate.
  5. Which among the following registers in Instruction Cycle holds the last instruction fetched?

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