What is the primary purpose of the Power-On Self-Test (POST) ?
2023
What is the primary purpose of the Power-On Self-Test (POST) ?
Answer: D. Checks the attached hardware and memory — The Power-On Self-Test (POST) is an initial diagnostic routine executed by the computer's BIOS immediately after it is turned on. Its primary purpose is to…
- A.
Loads the operating system
- B.
Displays the boot menu
- C.
Starts user applications
- D.
Checks the attached hardware and memory
Attempted by 28 students.
Show answer & explanation
Correct answer: D
The Power-On Self-Test (POST) is an initial diagnostic routine executed by the computer's BIOS immediately after it is turned on. Its primary purpose is to ensure that essential hardware components, such as RAM, processor, and storage devices, are functioning correctly before booting. Therefore, Option D is the correct answer.