Name ___________________________ Review Questions
SCC CIS 29 Chapter 9 Supporting 1/0 Devices
Instructor Paul Bryant Due March 18, 2000 - Turned in ____________
| # | Question | Answer | Reference |
| 1 | Name four system resources that a device might need and that offer the potential for a conflict with another device. | ___________________________________________ | ______________ |
| 2 | Why would an external modern cost more than an internal modern? | . | . |
| 3 | 3. In DOS, what command loads a device driver? Where is the command located? | . | . |
| 4 | Name three possible ways a scanner might interface with a system board. | . | . |
| 5 | By definition, what system resources does COM1 use? COM2? COM3? COM4? | . | . |
| 6 | What does RS-232 refer to? | . | . |
| 7 | How many pins are on a typical serial mouse port? | . | . |
| 8 | What is a null modem cable, and what is it often used for? | . | . |
| 9 | What chip controls the speed of serial ports? What DOS utility program can to determine what version of this chip you have installed? | . | . |
| 10 | Why might you choose to use ECP mode for your parallel port rather than EPP mode? | . | . |
| 11 | When might you need to disable ECP mode for a parallel port? | . | . |
| 12 | How are system resources assigned to ports on a typical, general-purpose I/O card? | . | . |
| 13 | In order for your system to support a USB device, what three resources must you have? | . | . |
| 14 | What OS supports USB? | . | . |
| 15 | What is the maximum number of PCI slots that a system board might have? | . | . |
| 16 | What utility tool can help resolve system resource conflicts in DOS? In Windows 9x? | . | . |
| 17 | When installing a device, why would you prefer to use a PCI expansion slot than an ISA expansion slot? | . | . |
| 18 | Explain what PCI bus IRQ steering does. When might you disable it? | . | . |
| 19 | If PCI is attempting to use an IRQ that is used by a legacy ISA device, how can you force PCI to not use the IRQ? | . | . |
| 20 | If the port on a SCSI host adapter has only 25 pins, what does this tell you about the adapter? | . | . |
| 21 | How much video RAM is required to produce a resolution of 800 x 600 with 65,000 colors? | . | . |
| 22 | Give three examples of monitor screen sizes. How are monitor screen sizes measured? | . | . |
| 23 | Which provides better quality, an interlaced monitor or a noninterlaced monitor? Why? | . | . |
| 24 | What type of monitor can offer a variety of refresh rates? | . | . |
| 25 | What size frame buffer is needed on a video card to hold the data for 1,280 x 1024 screen resolution and 65,000 colors? | . | . |
| 26 | What makes a device an ergonomic device? | . | . |
| 27 | Describe the size and pins on a DIN connector and a PS/2 connector for a keyboard. | . | . |
| 28 | What three colors are used to build all colors on a color monitor screen? | . | . |
| 29 | Which gives better image quality, a .25-mm dot pitch monitor or a .28-mm dot pitch monitor? Why? | . | . |
| 30 | If a mouse begins to be difficult to operate, what simple thing can you do to help? | . | . |
