1. You need to install a device that can read groupings of parallel lines.Which of the following devices should be selected? A. Biometric scanner B. Image scanner C. Barcode reader D. Touchpad 2....

1. You need to install a device that can read groupings of parallel lines.Which of the following devices should be selected?

A. Biometric scanner

B. Image scanner

C. Barcode reader

D. Touchpad

2. You are building a new PC and want to select a motherboard that supports the Scalable Link Interface (SLI) technology so you can install two SLI video cards connected by a bridge. Which of the following expansion slots should the motherboard have for your two video cards?

A. Two PCIe version 2 slots

B. Two PCIe version 3 slots

C. A PCI and PCIe slot

D. A USB port and PCIe slot