With regard to computer memory, which of the following statement(s) is/are TRUE? P: Read Only Memory (ROM) is ‘volatile’ memory. Q: Random Access Memory (RAM) is ‘volatile’ memory. R: Secondary Memory is ‘volatile’ memory.
Q only
To determine which statements regarding computer memory are true, let's examine each statement one by one:
- Statement P: Read Only Memory (ROM) is 'volatile' memory.
- Explanation: ROM stands for Read Only Memory and is non-volatile memory, meaning data stored in ROM does not get erased when the power is turned off. This allows it to retain essential data even without power supply, such as the computer's firmware.
- Conclusion: Statement P is false because ROM is non-volatile, not volatile.
- Statement Q: Random Access Memory (RAM) is 'volatile' memory.
- Explanation: RAM, or Random Access Memory, is volatile memory, which means it requires power to maintain the stored information. When the computer is turned off, all data in RAM is lost. RAM is used to store data that the CPU needs while performing tasks.
- Conclusion: Statement Q is true because RAM is indeed volatile.
- Statement R: Secondary Memory is 'volatile' memory.
- Explanation: Secondary Memory, such as hard drives, SSDs, and external storage devices, is typically non-volatile. This means they store data permanently and data is not lost when the device is powered down.
- Conclusion: Statement R is false because Secondary Memory is non-volatile, not volatile.
Thus, based on the analysis, the only true statement is Q: Random Access Memory (RAM) is 'volatile' memory.
Therefore, the correct answer is Q only.
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