USB Speeds Flashcards
Low Speed
1.5 Mbps 3 meters
Full Speed
12 Mbps 5 meters
USB 2.0
Mbps 5 meters
USB 3.0
backward compatible; 5 Gbps per 3 meters
What are the voltages are associated with a standard Molex connector?
12V, 5V
Your coworker Patrick has a Core i5 3.1 GHz CPU and wants you to tell him what the maximum multiplier is. What do you tell him?
100 and 31
You are tasked with installing a new SATA revision 3.0 hard drive controller so that the computer can access hard drives at 6Gb/s. Which step list will most likely prevent errors?
- Apply system updates.
- Update with the BIOS.
- Install the card.
- Install the driver
- Upgrade the card’s firmware
Which of the following data rates are supported by PC3-10600 memory?
1333 MT/s and 1066 MT/s
Which of the following can be used to verify settings between the computer and a connected modem?
AT&V
One of your customers is running Windows 7 on a PC that has a 2 GHz CPU, 2GB RAM, and a 64 MB video card. The customer tells you that performance is slow when Aero is enabled. Which of the following solutions increases performance on the computer?
Upgrading the video card.
Which of the following is the data transfer rate of DMI version 2.0?
20 Gb/s
Which of the following measurements is the typical latency of a SATA hard drive?
4.2 ms
Which of the following is defined as the movement of electric charge?
Amperage
which of the following are the standard voltages in the United States for a home and for the internal workings of a PC?
120 V AC, 12 V DC
Which of the following symptoms would indicate to you that there is a power supply issue?
Frequent failure of hard drives
You are building a new PC for a customer. Which of the following is the most valid reason why you would select SATA 3.0 over the original SATA 2.0?
You are trying to optimize the system for audio and video
Which of the following is the best tool to use to reach a screw that has fallen into a computer case and out of reach?
Extension magnet. The computer has to be turned off. Plastic tweezers would be an option if listed here.
Which of the following are the Intel and AMD names for CPU virtualization?
VT-x and AMD-V
At 12x speed, how much data can a Bluray drive read per second?
432 Mb/s
A coworker notices that the battery light on a laptop is flashing when the laptop is flashing when the laptop is in a docking station. Which of the following steps should be performed first to fix the problem?
Reseat in the docking station
A computer’s CPU overheats and shuts down the system intermittently. Which of the following steps should taken to fix the problem?
Check to see if the heat sink is secure
Check if the fan is connected
A burning smell comes from the computer. Which is the following is the most likely source?
Power Supply
