CompTIA ITF + IT Fundamentals Quiz #1 Choose the best answer for each question. Click Check Answers to see your score. 1) Which component is considered the “brain” of the computer? A) GPU B) RAM C) CPU D) SSD 2) Which device provides long-term, persistent storage? A) RAM B) SSD/HDD C) CPU cache D) GPU VRAM 3) RAM is best described as: A) Volatile working memory used by active programs B) Permanent storage for files C) Firmware that starts the PC D) A type of external backup media 4) Which operating system is open-source? A) Windows B) macOS C) iOS D) Linux 5) Which identifier is used to locate a device on an IP network? A) MAC address (00...