What hard drive interface is this?
Personal computer motherboards can support many different kinds of hard drives. What kind of hard drive interface does this picture show?
What is a master boot record (MBR)?
The master boot record (MBR) is an important part of the computer’s boot process. What is one of the items contained in the MBR?
What are good reasons for a BIOS upgrade?
A Basic Input Output System (BIOS) can provide a number of personal computer enhancements. Which of these would NOT be an advantage of installing an updated BIOS version?
Which motherboard component contains the startup firmware for the computer?
When a computer starts, it loads startup firmware from a component on the motherboard. What is the name of this component?
Which motherboard component contains the startup firmware for the computer? Read More »
How can you prevent environmental hazards in the workplace?
The workplace can be a dangerous place! Fortunately, there are things we can do to help keep things safe. Which of these things is NOT part of a hazard prevention program?
How can you prevent environmental hazards in the workplace? Read More »
CompTIA Network+ N10-004: 2.1 – Cable Properties
Every cable has a set of important networking properties. In this video, we’ll show you how transmission speeds, distance, duplex, noise immunity, and frequency characteristics apply and how these properties differ between cable types.
CompTIA Network+ N10-004: 2.1 – Cable Properties Read More »
Why do you need the keep the original Windows CDs?
After installing any Windows operating system, it’s useful to keep the original installation media nearby. Which of the following would NOT be a good use of the original installation CD-ROM?
Why do you need the keep the original Windows CDs? Read More »
CompTIA Network+ N10-004: 2.1 – Cable Types
A typical cabling infrastructure might be a mixture of many different copper and fiber technologies. In this video, we’ll show you the difference between different twisted pair categories, compare multi-mode with single-mode fiber, and discuss important considerations when wiring inside the ceilings and walls of your building.
What are some important safety tips when working inside of a computer?
The inside of a computer can be a dangerous place. Which one of these safety tips do NOT apply when working inside of a computer?
What are some important safety tips when working inside of a computer? Read More »
How can you test the output of a power supply?
During normal troubleshooting of a desktop computer, you suspect that the power supply may not be providing enough output to support all of the installed peripherals. What tool can you use to test the output of the computer’s power supply?