Look, a bear!
You are ready to present a slideshow on a digital projector, but nothing is shown on the screen when you connect your laptop. Which of these would be the best step to take next?
You are ready to present a slideshow on a digital projector, but nothing is shown on the screen when you connect your laptop. Which of these would be the best step to take next?
Which of these processor packages contain many pins on the underside of the package and mount onto a motherboard using a ZIF socket?
One of your printouts has jammed in the middle of a page. Which of these would be the best way to restart the printing from the beginning of the document without losing your place in the print queue?
You are installing a new gigabit Ethernet connection, and when you plug in the network cable into your laptop the status light indicators are dark. Which of these would be the most likely status of the network connection?
You need to encrypt every file on a Windows 7 hard drive, including the operating system. Which of these options would be the best choice?
When you connect your new USB hard drive, the disk does not appear in Windows Explorer. Which of these Windows utilities would be the best way to identify a problem with this hardware device?
On 802.11 wireless access points, which of these can be obfuscated through the use of encryption? Pick two.
Your computer has many different interfaces, and each interface type has a different set of speed and distance standards. In this video, you’ll learn about the speeds and distances of USB, FireWire, PATA, SATA, and wireless standards.
Computer Interface Speeds and Distances – CompTIA A+ 220-801: 1.7 Read More »
Your CPU creates a large amount of heat, and it’s important that your computer’s cooling system is working to keep your CPU at a reasonable working temperature. In this video, you’ll learn about how heat sinks, cooling systems, and liquid cooling systems can keep your processors cool.
CPU Cooling Techniques – CompTIA A+ 220-801: 1.6 Read More »