PC Pro CHapter 3 (3.8.3.14) Questions
Since it has no moving parts, a CPU will usually work properly for several years. Which of the following is a common factor that might cause a CPU to fail prematurely?
Electrostatic discharge (ESD)
You have a system that has been overheating. Which of the following actions will NOT help to keep the system cool?
Removing the case side panel.
Which of the following BEST describes the purpose of a CPU socket?
A CPU socket is a single connector between a microprocessor and the motherboard.
You have just installed a new video card in a employee's Windows workstation. When you power the system on and load the OS, everything on the screen looks enlarged and pixelated. You try to change the resolution, but the only available option is 640x480. Which of the following BEST resolves this problem?
Download and install the latest driver from the video card manufacturer's website.
5 The PCI sound card in your computer has stopped working. You decide to use the motherboard's integrated sound until you can replace the PCI sound card. After removing the PCI sound card and powering on the computer, you have no sound, and the built-in sound card does not show up in Device Manager. Which of the following is the BEST action to try first to resolve this issue?
Edit the CMOS settings and enable the onboard sound.
A technician wants to connect a computer to a high-definition television (HDTV). The technician has attached an HDMI cable from the video card to the television. However, the video card is only sending a video signal over the cable. The technician decides to use the audio pass-through technique to deliver audio to the television. An audio output cable is connected to the video card and television. Which of the following options was used for the audio pass-through?
HDMI output
Which of the following sound card port types can normally handle video content?
IEEE 1394 and HDMI
Upon reviewing the specifications for a motherboard, you find that the motherboard uses a 1155 CPU socket. Which of the following manufacturers' CPUs can you use for this motherboard?
Intel
A computer was brought into your help desk center for repair. You have been told that it randomly locks up. Which of the following is MOST likely causing this issue?
Overheated processor
Steve, a computer technician, receives a help desk ticket for a computer that will not start. When Steve powered the computer on, there was one long and two short beeps. Which of the following programs is reporting this error condition?
POST
Which of the following thermal solutions might you find on memory modules?
Passive heat sink
Which of the following components converts AC power to DC power?
Power supply
To fix a problem you are having with your PC, you have determined that you must flash the computer's BIOS. Which of the following would MOST likely need to be completed prior to flashing the BIOS?
Properly identify the motherboard and Download the flash utility or tool from the manufacturer's website.
You recently purchased a USB audio headset and connected it to a USB port on your Windows system. The headset includes a microphone that can be used to record audio. However, when you launch your audio recording program, no audio is recorded. You need to reconfigure the system to use the headset mic instead of the built-in mic. Click the tab you would use in the Sound Properties window to accomplish this task.
Recording
Your system crashes at various times. It happens sometimes on startup, sometimes when running a software application, and sometimes when a certain group of applications is running. You suspect a malfunctioning CPU, but none of the common issues seem to be present. You have not configured overclocking. There is no overheating. The CPU is seated correctly and locked into its socket. What is the BEST step you can take to determine if the CPU is causing the system crashes?
Replace the suspect CPU with a known good CPU of the same make and model.
What is the role of the CMOS in a modern computer?
Saves information about system devices.
You work at a computer repair store. You have just upgraded the processor (CPU) in a customer's Windows-based computer. The customer purchased the latest AMD Ryzen processor, and you installed it in the computer. But when you power the computer on, you only see a blank screen. Which of the following is MOST likely causing the computer to display the blank screen?
The CPU is bad and not supported by the BIOS.
Which of the following is the biggest advantage of 64-bit processors over 32-bit processors?
The ability to use over 4 GB of memory.
Lately, your computer has been spontaneously shutting down after only a few minutes of use. What is the likely cause?
The power connector for the fan was not connected to the motherboard. and The heat sink and fan were not installed correctly
You have a desktop computer that provides a 250-watt power supply. You recently added a fourdisk RAID 10 array to the system, and now it spontaneously shuts down. Which of the following would MOST likely solve this issue?
Upgrade to a power supply that provides more watts.
A user has called to complain that her computer won't boot. It stops on the system startup screen right after the memory has been tested and displays a 301 keyboard error. Which of the following troubleshooting steps is the BEST to try first?
Verify that no keys are being pressed down during POST.
When do you need to upgrade the system BIOS?
Whenever a BIOS update provides functionality that is not currently supported, but is required by the operating system or hardware.