Signal Processing

Question 1

Which of the following is transmitted as electrical impulses of encoded data?

Circuits

Signals

Devices

Antennas

Answer 1

Signals are transmitted as electrical impulses of encoded data.

Question 2

Which of the following describes the distance of traveling energy, such as light or sound, in a repeating pattern?

Signal Attenuation

Amplitude

Wavelength

Data Rate

Answer 2

A wavelength is the distance of traveling energy, such as light or sound, in a repeating pattern.

Question 3

Which of the following is an undesirable alteration in the original waveform of an audio or video signal?

Signal Attenuation

Out-of-Phase Processing

Distortion

Noise

Answer 3

Distortion is an undesirable alteration in the original waveform of an audio or video signal.

Question 4

Which of the following can negatively affect system performance?

Long cable runs

Low quality cables

Source devices with poor signal output

All of the above

Answer 4

All of the Above - Long cable runs, low quality cables, and source devices with poor signal output can all negatively affect system performance.

Question 5

Which of the following describes a device’s limited range of frequencies in which it can successfully operate?

Gain

Bandwidth

Peaking

Impedance

Answer 5

Bandwidth a device’s limited range of frequencies in which it can successfully operate.

Question 6

Which of the following work as transmitter and receiver pairs to facilitate digital signal transmission over long distances via shielded or unshielded twisted pair, or fiber optic cable?

Signal Regenerators

Line Drivers

Cable Equalizers

Extenders

Answer 6

Extenders work as transmitter and receiver pairs to facilitate digital signal transmission over long distances via shielded or unshielded twisted pair, or fiber optic cable.

Question 7

Which of the following are helpful considerations when selecting any type of Switcher?

The signal types

The interface connector types

The number of inputs and outputs

All of the above

Answer 7

All of the Above - The signal types, interface connector types, and number of inputs and outputs are helpful considerations when selecting any type of Switcher.

Question 8

True or False: A single matrix switcher can be used to drive a divisible classroom and operate the space as an independent room or combine it into a single large presentation space.

True

False

Answer 8

True

Question 9

Which of the following describes signal processing?

Converting signals from one format to another

Amplifying or peaking a signal

Completely reformat a signal

All of the above

Answer 9

All of the above

Question 10

Which of the following is the process of converting a video signal from one resolution to another?

Scaling

Annotation

Signal Equalization

Signal Conversion

Answer 10

Scaling