ELE 201: Digital Electronics for Telecomm I

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Module 7 Assignment

This assignment is based on chapter 9.

1. Identify the two common technologies used by keyboards to make key contact.
2. Identify the type of keyboard that needs a driver.
3. What are the two mouse technologies?
4. Identify three ways a mouse can connect to a PC.
5. Which IRQ is normally assigned to a motherboard mouse port?
6. Identify three additional input devices.
7. Identify the primary output device of a PC and include the two necessary components.
8. Identify the two kinds of LCD Panels.
9. What does the term refresh rate mean?
10. What is the minimum refresh rate set by VESA?
11. How do interlaced monitors differ from noninterlaced monitors?
12. What are the five methods of data transfer used by video cards?
13. Identify the two main features to look for in a video card.
14. What is a frame buffer on a video card?<
15. Describe a Serial Port. Include the maximum speed, data transmission and what a name like "DB9" means.
16. What are the three categories of parallel ports?
17. USB devices are hot-swappable/hot-pluggable. What does that mean?
18. Identify the speeds of original and Hi-speed USB.
19. What manages the USB bus?
20. Briefly describe a USB cable, including length and wires.
21. How many IEEE 1394 devices can be supported by one host controller?
22. Describe the two types of connectors that are used on an IEEE 1394 port.
23. What is isochronous data transfer?
24. What manages the PCI Bus and any installed expansion cards?
25. Describe how IRQs (Interrupts) are used by the PCI Bus.

Know the following terms:

• Dot Pitch
• ECP/EPP
• IEEE 1284
• IEEE 1394
• ISA
• Pixel
• PCI
• Resolution
• UART

This page last modified on 01/23/2008