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CompTIA

220-1002 · Question #773

A technician recently upgrade a leptop a replo's RAM from 2GB to 4hb. However , the operating system only recognizes the RAM as 3.5GB. Which of the following is the MOST likely reason the leptop…

The correct answer is A. The RS-232 connector pins are damaged. Important note: The stated correct answer 'A' (RS-232 connector pins damaged) appears to be an error in this question - RS-232 is a legacy serial port standard and is completely unrelated to RAM recognition. The technically correct answer is B: a 32-bit operating system can…

Hardware

Question

A technician recently upgrade a leptop a replo's RAM from 2GB to 4hb. However , the operating system only recognizes the RAM as 3.5GB. Which of the following is the MOST likely reason the leptop does not recognize the full amount of RAM?

Options

  • AThe RS-232 connector pins are damaged.
  • BA 32-bit operating system is installed.
  • CThe msinfo32 executable is compute.
  • DA FAT32 filesystem is configured.

How the community answered

(18 responses)
  • A
    94% (17)
  • B
    6% (1)

Explanation

Important note: The stated correct answer 'A' (RS-232 connector pins damaged) appears to be an error in this question - RS-232 is a legacy serial port standard and is completely unrelated to RAM recognition. The technically correct answer is B: a 32-bit operating system can only address a maximum of 4GB of memory address space total. Because a portion of that space is reserved for hardware memory-mapped I/O (graphics card, PCI devices, firmware), the OS typically reports only about 3.0–3.5GB of usable RAM even when 4GB is physically installed. Upgrading to a 64-bit OS would allow the full 4GB (and beyond) to be recognized.

Topics

#32-bit OS#RAM limitation#memory recognition#operating system

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