PC Maintenance Chapter 04 Part 01

Which of the following ensures that the computer only boots an operating system that is trusted by the motherboard manufacturer, protecting against unauthorized software?

• Secure Boot

• System Information

• Boot Order

• Device configuration

Which two factors are preventive maintenance plans based on?

• Computer environment

• Computer use

• Computer Specifications

• Computer Brand

HDMI initially created for high-definition TVs, is also commonly used with computers to connect audio and video devices, what does HDMI stand for?

Which of the following are in the BASIC checklist when checking on the CPU heat sink and fan assembly during preventive maintenance? ( Select all those that apply)

• Ensure the fan spins freely

• The power cable is secure

• The fan turns on when power is applied

• Thermal Paste is applied

Which of the following are in the BASIC checklist when checking on storage devices during preventive maintenance? ( Select all those that apply)

• All cables should be firmly connected

• Check for loose, missing, or incorrectly set jumpers

• Any rattling, knocking, or grinding sounds

• Check for uncompressed disk space

What are the tasks to be complete in the software maintenance schedule? (Select all those that apply)

• Review and install the appropriate security, software, and driver updates

• Update the virus definition files and scan for viruses and spyware

• Remove unwanted or unused programs

• Scan hard drives for errors and defragment hard drives

• Keep the room temperature between 7 to 32 degrees Celsius

How can you diagnose a hardware failure if the system is not producing any video output?

Answer explanation

Test with a different monitor or video cable, check the video card seating, and ensure that the video card is not faulty.

How might BIOS indicate hardware failure when a technician is troubleshooting a computer?

• Through a series of beep codes or error messages during the startup

• Through flickering screen, distorted images, blank screen

• Through system error pop-ups

• Through lagging applications, frequent freezing of the computer

What are the possible scenarios if POST detects a failure in one of the hardware?

(Choose those that apply)

• System will halt the loading of the Operating System

• System will indicate the failure description of the hardware

• Non-common beep sounds will be generated

• System will load the Operating System

In most cases, a PC system will generate 1 or 2 quick beep sounds if POST does not detect any hardware failure. Which of the following indicates a video error has occurred and the BIOS cannot initialize the video screen to display any additional information?

• 1 long, 2 short beeps

• 1 long, 3 short beeps

• Beeps repeating endlessly

• Repeated high frequency beeps