TROUBLESHOOTING COMPUTER ISSUES
IDENTIFYING HARDWARE SOFTWARE NETWORK PROBLEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Memory
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Application status
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Power supply
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Operating system
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CPU
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Detailed explanation-1: -The Power-On Self-Test process verifies the viability of the hardware necessary to run a computer’s OS and applications properly.
Detailed explanation-2: -Power-on self-test (POST) performs tests on workstation core components such as CPU and memory. POST checks low-level interaction between the CPU, caches, memory, JBus, and the I/O bridge chip. Typing the post command from the ok prompt initiates tests that check the CPU, I/O bridge chip, and memory modules.
Detailed explanation-3: -The POST (power on self-test) is a set of procedures that a computer runs through each time it is turned on. It ensures that all of the system’s hardware is working properly before trying to load the operating system. If the computer does not pass POST, it will not boot.
Detailed explanation-4: -CPU and Register Test CPU test is one of the first tests in POST. This test checks the internal working of the CPU. This test is run by executing processor instructions and then verifying the output of the instruction. All the processor registers are also exercised in this test.