CompTIA A+ 220-1001 (Core 1)
- Mobile Devices
- Networking Technology
- Hardware
- Cloud Computing
- Network Troubleshooting
Results
Keep practicing.
#1. When working on a user’s PC you notice that the fan on the power supply is excessively dusty. After turning the PC off, what would you use to clean it?
Hardware / Preventive Maintenance
The best thing to use would be a can of “Compressed air.” You are least likely to cause damage when using it correctly. When using Compressed air, hold the can at least 6 inches from the target.
#2. Which of the following storage components / media will give thefastest data access time?
Hardware / Motherboard, Processor & Memory
Data that is stored in RAM, which stands for Random AccessMemory, can be access quicker than any of the other choices.
RAM loses its contents when power is turned off.
#3. Of the following choices, which would be least likely to be infected by a computer virus?
Software (OS) / Diagnosing & Troubleshooting
Unless the CD has a virus on it before it got to your computer, it is theleast likely to be infected. CDs that are packaged with applicationshave been finalized and become read-only.
#4. What tool would be used to check for line voltage sags?
Hardware / Diagnosing & Troubleshooting
A Polarity tester is useful whenever there is a need to check for the presence of low voltage in insulated conductors, without having to touch the live cable or wire.
#5. Which IRQ is assigned for floppy drives?
Hardware / Installation, Configuration & Upgrading
IRQ 6 is reserved for the Floppy drive.
IRQ 4 is defaulted to COM1, COM3
IRQ 12 is empty and can be assigned any new device.