Practice Quiz

CompTIA A+ 220-901

Category - Hardware

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A high-end user has a computer with multiple CPUs at the office and wants to simulate the processing results on his home computer with a single CPU. What technology might you recommend to this user?
  1. Multi-threading
  2. Multicore
  3. Hypertransport
  4. 64-bit CPU
Explanation
Answer: A - You would recommend Multi-Threading to this user, which allows a single CPU to simulate multi-CPU technology, processing two separate sets of instructions.

Key Takeaway - In Multi-Threading, the operating system sees two virtual CPUs, even though only one is present. A multicore processor physically contains two or more actual processor cores in one CPU. Hypertransport is an AMD technology unrelated to Multi-Threading, and 64-bit refers to a type of CPU architecture, the other type being 32-bit.
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