Chapter 3 Hardware Review
Which of the following computer components is the MOST important part of any modern computer?
CPU
A customer has brought a computer in to be repaired. He said he thinks that the sound card has stopped working because no audio is produced when music, video, or DVDs are played. Which troubleshooting step should you take first? (Select two.) Download and install the latest sound card drivers. Verify that no IRQ or I/O port address conflicts exist between the card and other devices in the system. Verify that speakers are plugged into the correct jack and are powered on. Replace the sound card with a known-good spare. Verify that the volume isn't muted.
Correct Answer: -Verify that speakers are plugged into the correct jack and are powered on. Replace the sound card with a known-good spare. -Verify that the volume isn't muted.
Which of the following voltages from an ESD discharge would be the minimum to short a computer's hardware components? 12 volts 5 volts 3.3 volts 100 volts
Correct Answer: 100 volts
Which of the following is the term for a device (usually external to a computer) that is plugged into a computer's communication port or connected wirelessly? A flash drive A plug-in A peripheral An attachment
Correct Answer: A peripheral
Which hardware component processes data? SSD HDD RAM CPU
Correct Answer: CPU
Jeff has been asked to replace a monitor on a workstation. Which of the following device interfaces could he use to connect the new monitor? UPS DVI USB SSID
Correct Answer: DVI
Tina has accepted a position as a graphic designer. She wants a powerful device that she can connect multiple large screens to. Which device would be the BEST option for her? Desktop computer Laptop Server Smartphone
Correct Answer: Desktop computer
Which of the following devices would be easiest to repair? Smartphone Desktop computer Gaming console Laptop
Correct Answer: Desktop computer
Which of the following devices would be the BEST option for a gamer? Smartphone Laptop Desktop computer Server
Correct Answer: Desktop computer
You have just connected a new USB device to your Windows system. You used the installation disc that came with the device to install the drivers needed to support the device. After the installation, the system frequently crashes when you try to access the new device. Which of the following steps would MOST likely resolve this issue? Replace the device itself. Remove and then reinstall the device. Download and install the latest driver from the manufacturer's website. Run the Add Legacy Hardware wizard and manually configure the device.
Correct Answer: Download and install the latest driver from the manufacturer's website.
Which of the following should be done before working on hardware in a computer system? Ground yourself using an ESD wrist strap Touch a plastic part of the case Ensure the system is plugged in Rub your feet on the carpet
Correct Answer: Ground yourself using an ESD wrist strap
Becca is working on a program that will store data. The program will need quick access to data and data persistence is not important. Where should the data be stored? In memory In a flat file In flash memory In a database
Correct Answer: In memory
Abby needs a device that she can take to a client's location and show presentations from. Which of the following devices would be the BEST option for her? Laptop Server Desktop computer Gaming console
Correct Answer: Laptop
Which of the following devices make use of a battery as its main power source? (Select two.) Desktop Server Gaming console Laptop Smartphone
Correct Answer: Laptop, Smartphone
You are trying to connect a new USB device to your computer. You install the driver and then connect the device to an open USB port. The device does not work. Which of the following troubleshooting steps is the BEST to try first? Install a new USB controller card. Make sure the USB device is plugged in properly. Replace the USB device. Try a different USB cable.
Correct Answer: Make sure the USB device is plugged in properly.
Which of the following is an example of computer hardware? App Web browser Microchip PowerPoint
Correct Answer: Microchip
Where are values the computer is directly working with at a particular moment in time stored? On RAM On the hard drive On the CPU register On the CPU clock
Correct Answer: On the CPU register
You are troubleshooting a malfunctioning notebook computer. Nothing appears on the LED display when the system is powered on. Which of the following is the BEST step to try first? Plug in an external monitor Calibrate the battery Replace the motherboard Replace the video card
Correct Answer: Plug in an external monitor
Which of the following components converts AC to DC? Surge protector Power supply Capacitor Voltage regulator
Correct Answer: Power Supply
Which of the following components stores values in short-term memory? RAM Processor Flash drive Hard drive
Correct Answer: RAM
Which of the following devices generally include a variety of integrated hardware such as a camera? (Select two.) Desktop computer Smartphone Laptop Server Gaming console
Correct Answer: Smartphone, Laptop
Which of the following is a disadvantage of notebook systems? Productivity apps are difficult to use. Incorrect answer: The battery is difficult to replace. They require AC power. They are more expensive.
Correct Answer: They are more expensive.
Which kind of connector is pictured here?
USB
Which type of connector is commonly used for keyboards and mice?
USB
Which connector on the back of a computer is used to attach a mouse to a modern PC system?
USB A