Conventional (Lessons 11-20) Exam
Questions And Answers
5.0 gigabits per second (Gbps). -
correct answer ✅What is the speed of USB 3.0?
480 megabits per second (Mbps). -
correct answer ✅What is the speed of USB 2.0?
127. -
correct answer ✅A universal serial bus (USB) hub supports how
many USB devices on a single root hub?
The status of the device plugged into the USB ports. A red X next to
any USB hub indicates a problem such as an incorrect device driver
installed on the motherboard or that the device is turned off in
system setup. -
correct answer ✅What information about devices plugged into the
computer's universal serial bus (USB) ports can be found in the
Windows Device Manager?
A pop-up notice appears saying ""HI-SPEED USB Device plugged
into non-HI-SPEED USB port." The connected USB 3.0 device also
performs slower. -
correct answer ✅There are three versions of universal serial bus
,NCTI - Computers and Broadband Modems
Conventional (Lessons 11-20) Exam
Questions And Answers
(USB) specifications with four different speed ratings. What
happens if a USB 3.0 device with a speed of 5 gigabits per second
(Gbps) is plugged into a USB 1.0 jack with a speed of 12 megabits
per second (Mbps)?
The full capabilities of the mouse and keyboard could be
unavailable. -
correct answer ✅Most computers have default mouse and
keyboard drivers installed. What might be the result if the default
drivers are only "good enough" for basic mouse and keyboard
operation?
Load the appropriate device driver. -
correct answer ✅There are many types of input devices on the
market that can be connected to a computer system including
digitizing tablets, barcode scanners, and game controllers. Although
these devices differ in function, what is the one common task that
must be completed before connecting them to a computer?
Webcam device drivers, which provide the webcam connection,
ensure that the correct webcam is being used by the application
and that the application can support the webcam. -
, NCTI - Computers and Broadband Modems
Conventional (Lessons 11-20) Exam
Questions And Answers
correct answer ✅Webcams are popular devices that some
applications are able to detect and use using their own interface.
What should be checked if problems with the webcam arise?
A digital camcorder. -
correct answer ✅A FireWire connection is likely to be found on
what type of device?
A keyboard, video, mouse (KVM) switch. -
correct answer ✅To save space in a headend or data center, what
device could be installed that would allow a single keyboard,
mouse, and monitor to be used with more than one computer?
USB 1.0 -
correct answer ✅There are three versions of USB but four
different speeds. Which version has two speeds, 1.5 MEGABITS
person and 12 Mbps?
The computer keyboard and mouse. -
correct answer ✅What devices should be connected to the orginal
USB, which has a speed of 1.5 MEGABITS per second (Mbps)?