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21 Cards in this Set
- Front
- Back
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What special chip provides the conversion between the serial data and parallel data on a traditional serial communication port?
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Universal Asynchronous Receiver/Transmitter
(UART) p687 |
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What standard defines all the characteristics of a traditional serial communication port?
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RS-232
p687 |
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What is the traditional or legacy type of connector for a serial communiction port on a computer?
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DB-9 male connector.
Nine total pins in two rows. Five pins in one row, four pins in the other row. p686,687 |
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What is the maximum data rate for the traditional serial communication port?
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128Kbps
p688 |
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What are the five configuration items needed to configure the Port Settings for a traditional serial communication port?
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Bits per second.
Data bits for data size. Parity for error checking. Stop bits for end of data. Flow Control p687,688 |
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What are the three primary components that make up the USB function in a computer?
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Host Controller.
Root Hub. USB Ports. p689 |
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USB 1.1 standard defines what two speeds?
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Low-speed USB at 1.5Mbps max.
Full-speed USB at 12Mbps max. |
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USB 2.0 standard defines what three speeds?
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Low-speed USB at 1.5Mbps max.
Full-speed USB at 12Mbps max. Hi-speed USB at 480Mbps p690 |
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A USB host controller can support how may USB devices?
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Up to 127 USB devices.
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What is the theoretical maximum cable length that the USB specification defines?
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5 feet
p693 |
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What are two distinct types of FireWire connectors that can be found on a PC?
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6-pin powered connector.
4-pin bus-powered connector. p698 |
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What are the two speeds that FireWire provides?
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1394a = 400Mbps
1394b = 800Mbps p698 |
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What is the maximum number of devices that FireWire can support?
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63 FireWire Devices
p699 |
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What is the maximum length for a FireWire cable?
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4.5 meters
p699 |
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What are two connection topologies that multiple FireWire devices can be connected in?
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Hub or Daisy Chain
p699 |
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What company invented FireWire?
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Apple Computer
p699 |
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How does Device Manager indicated that a device is disabled?
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The device's icon has a red "X" character imposed on it.
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How do you enable a device in Device Manger?
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Right-click the device's icon and choose Enable.
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If you have verified that a known good device does not work in a port, what should you do next?
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Verify the port is turned on in the CMOS.
Then ensure the port is enabled in Windows Device Manager. Next examine the port for physical damage. p700,701 |
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What Standard defines color codes for I/O ports on the computer?
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PC99 Standard
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What are the more common PC99 Standard color codes?
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PS/2 Keyboard (Purple)
PS/2 Mouse (Green) Serial (Turquoise) Parallel/printer (Burgundy) Monitor (Blue) Audio Microphone In (Pink), Audio Line Out (Lime), Audio Line In (Light Blue) Joystick/MIDI (Gold) USB Network (JR-45) |
