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Answer 5 free CompTIA questions

Straight from our free CompTIA paper (CompTIA A+ Core 1 — Free Practice Test). No sign-up needed to try. Pick an answer and you will see why it is right.

Question 1 of 5

What does RAM stand for?

Answer: Random Access Memory

RAM (Random Access Memory) is the volatile memory a computer uses to store data and instructions that are actively in use.

Question 2 of 5

Which connector type is commonly used for modern wired Ethernet network connections?

Answer: RJ-45

RJ-45 is the standard 8-pin connector used for twisted-pair Ethernet cabling.

Question 3 of 5

Which of the following is a solid-state storage device with no moving parts?

Answer: SSD

An SSD (Solid State Drive) stores data on flash memory chips and has no spinning platters or moving read/write heads.

Question 4 of 5

What is the primary function of a computer's power supply unit (PSU)?

Answer: Convert AC power from the wall outlet into DC power for internal components

The PSU converts the AC voltage supplied by the wall outlet into the various DC voltages needed by the motherboard and internal components.

Question 5 of 5

Which mobile device connector is reversible and used by most modern Android phones for charging and data transfer?

Answer: USB-C

USB-C is a reversible connector, meaning it can be plugged in either orientation, and is the standard on most current Android devices.

Sample questions are original practice content written to match the CompTIA format. They are not reproductions of CompTIA past papers.