209 Test 3- 7,8,9 Flashcards
Systems with USB 2.0 ports provide backward-compatibility with USB 1.1 devices and speeds.
T
A SCSI interface can only provide accommodation for hard disk drive devices.
F
Each SCSI device must carry a unique device ID to distinguish itself from other on the same channel.
T
A SCSI daisy-chain should be terminated on one end for proper operation.
F
The parallel port only allows for parallel printers to be attached.
F
The mouse is considered the primary method used for sending commands to the computer and entering data.
F
A biometric device is used to prevent unauthorized access to a computer or other electronic device by physical or behavioral traits.
T
A PS/2 keyboard and mouse can be plugged and unplugged as desired without shutting down the system
F
If two SCSI devices contain the same device ID number, the devices will not interfere with each other.
F
Some systems allow the end user to change the USB port configuration to either USB 1.1 or USB 2.0 nodes
T
Which of the following are the two types of USB ports found on recent systems?
USB 1.1, USB 2.0
Which of the following are the two types of USB connectors found on recent devices?
Series A and Series B
USB 1.1 ports run at a top speed of ______ per second.
12 Mbps
USB 2.0 ports run at a top speed of ______ per second.
480 Mbps
The maximum length for a USB cable attached to 12Mbps or 480Mbps device is ______ meter(s)
5
Which of the following are the two types of generic hubs used for connecting USB devices?
bus powered and self powered
All of the following wires, plus ground, are used to make up a serial cable except ________?
a power wire
All of the following are major types of parallel cables except ________? Monitor, Printer, Switchbox/device, data transfer
Monitor
A single IEEE-1394 port can daisy-chain up to ______ devices
16
A USB port can support a total of ______ devices through the use of hubs.
127
What 2 types of monitors incorporate touch-screen technology?
LCD, CRT
All of the following reasons would cause an external SCSI device to not be available except ________?
1) Device not powered on when system was turned on
2) Excess cable length or excessive daisy-chain length
3) Undersized cable length
4) Incorrect or no termination
Undersized cable length
The SPDIF standard allows output of digital audio signals to amplifiers through which two forms?
optical and coaxial
A ______ card is used to facilitate the input and output of analog audio, with new cards allowing the playback of digital audio sources.
sound
Microphones plug into the ______ on a sound card or integrated motherboard audio.
1/8 inch audio mini jack
The PCI expansion slot is used as a general-purpose slot type among many different manufactures and devices.
T
A fan shroud is found on low-performance video cards and rely on case fans to elevate the excess heat.
F
Windows will automatically run in 16-bit color mode, with low-resolution, when device drivers do not match the video card installed.
T
The HDMI standard has the ability to provide both audio and video support through a single cable.
T
Onscreen controls, also known as the OSD, can be used to configure picture size, centering, contrast, and brightness on both CRT and LCD monitors.
T