________blank memory uses the hard drive to substitute for RAM.Multiple ChoiceCacheFlashHard driveVirtual

Break Down the Problem

1. Identify the type of memory that utilizes the hard drive as a substitute for RAM.
2. Examine the options provided: Cache, Flash, Hard drive, Virtual.

Relevant Concepts

• Cache Memory: A small amount of high-speed memory located inside or close to the CPU. It does not use the hard drive.
• Flash Memory: A type of non-volatile storage that retains data without power, typically used in solid-state drives and USB flash drives. It does not operate by substituting for RAM.
• Hard Drive: A storage device for data, but not typically used as a direct substitute for RAM in memory management.
• Virtual Memory: A memory management capability that uses a portion of the hard drive as if it were additional RAM, allowing for larger applications to run on systems with limited physical RAM.

Analysis and Detail

• Among the options, "Virtual" clearly refers to virtual memory, which is a feature that allows the operating system to use hard disk space to simulate extra RAM.
• Cache, Flash, and Hard Drive do not inherently use the hard drive to extend memory.

Verify and Summarize

• The most accurate answer based on the function described in the question is "Virtual".

Final Answer

Virtual