Audio Visual System Design MCQs

Audio Visual System Design MCQs

Audio Visual System Design MCQs extensive collection that cover a wide range of topics to enhance your knowledge. We offer comprehensive MCQ resource to test your Audio Visual System Design knowledge.

1: What is the study of sound wave behavior in air called?

A.   Acoustics

B.   Anatomy

C.   Physiology

D.   Cardiology

2: What does AES stand for?

A.   Audio Engineering Society.

B.   American Educational Society

C.   Association of Environmental Scientists.

D.   American Economic Society

3: What is the name given to an electric current that reverses its direction periodically?

A.   Alternating current

B.   Static current

C.   Alternating voltage

D.   Direct current

4: What is ambient light?

A.   A measure of how much light is reflected off a surface

B.   The light emitted from a display

C.   All light in a viewing room produced by sources other than the display.

D.   The brightest part of a picture

5: What is ambient noise?

A.   Sound that is desired and intentional

B.   Sound that is extra and not needed

C.   Sound that is extraneous to the intended, desired, intentional, audio; background noise.

D.   Sound that is part of the audio

6: What is an amplifier?

A.   A device that only amplifies certain frequencies

B.   An electronic device for increasing the strength of electrical signals.

C.   A device that decreases the strength of electrical signals

D.   A device that amplifies sound

7: What does a balanced circuit mean?

A.   A circuit in which two branches are electrically alike and symmetrical with respect to a common reference point

B.   A circuit with an open switch

C.   A circuit with no load

D.   A circuit that is not functioning properly

8: What is the main advantage of a balanced circuit?

A.   Its ability to reject noise.

B.   It is easier to design.

C.   It uses less power.

D.   Its components are cheaper.

9: What is a band?

A.   A strip of material

B.   A type of hairstyle

C.   A metallic or elastic ring

D.   A grouping or range of frequencies

10: What is bandwidth?

A.   A measure of information carrying capacity without distortion.

B.   A measure of the width of a digital signal

C.   The speed of a data connection

D.   The amount of data that can be transferred in a fixed amount of time.

11: What is bandwidth limiting?

A.   When too many devices are connected to the internet

B.   The result of encoding a higher quality signal into a lower quality form

C.   A way to improve internet speeds

D.   The result of a bad internet connection

12: What is baseband?

A.   A type of computer memory

B.   Video signal that has not been modulated

C.   A type of cable

D.   A type of digital transmission

13: What does capacitance refer to?

A.   The ability of a nonconductive material to develop an electrical charge which can distort an electrical signal.

B.   The ability of a conductor to develop an electrical charge which cannot distort an electrical signal.

C.   The ability of a conductor to develop an electrical charge which can distort an electrical signal.

D.   The ability of a nonconductive material to develop an electrical charge which cannot distort an electrical signal.

14: What is the name of the screws that are used to hold the wires in place in a captive screw connector?

A.   All Saints' screws

B.   Easter screws

C.   Christmas screws

D.   Set screws

15: How does one terminate a captive screw connector?

A.   Strip and slide a wire into a slot on the connector

B.   Push the wire into the connector and solder

C.   Use pliers to twist the wire around the connector

D.   Cut the wire and crimp

16: Which of the following shapes is a cardioid?

A.   Triangular

B.   Oval

C.   Rectangular

D.   Heart-shaped

17: What does the word "carrier" mean in the context of audio and video signals?

A.   The final destination of a signal

B.   A device that converts a digital signal to an analog signal

C.   A device that amplifies a signal

D.   A modulated frequency that carries an audio or video signal

18: What is a carrier?

A.   A frequency that does not carry a signal.

B.   A device that amplifies a signal.

C.   A modulated frequency that carries a video or audio signal.

D.   An unmodulated frequency.

19: What is the D-sub connector?

A.   A generic name for D-shaped serial connectors used in data communications.

B.   D-shaped serial connectors used in data communications

C.   A device that connects D-shaped serial connectors

D.   A type of data communication

20: Which of the following is NOT true about dBSPL?

A.   DBSPL is a 20log function.

B.   0 dBSPL equals 0.0002 dynes/cm2.

C.   Its reference, 0 dBSPL equals 0.0002 dynes/cm2.

D.   DBSPL is used as a measure of acoustical sound pressure levels.

21: What does 0 dBSPL equal to?

A.   0.0003 dynes/cm2

B.   0.0001 dynes/cm2

C.   0.0002 dyne/m2

D.   0.0002 dynes/cm2

22: What does decibel measure?

A.   Sound level

B.   A comparison of two measurements or values

C.   Amount of light

D.   Weight

23: What does a deflection coil do?

A.   Direct an electron beam to draw an image on a cathode ray tube

B.   Change the path of an electron beam

C.   Destroy an electron beam

D.   Create an electron beam

24: What does a delay do to an audio signal?

A.   Distorts the signal

B.   Reverses the signal

C.   Retards the speed of transmission

D.   Increases the speed of transmission

25: What is early reflected sound?

A.   Created by sound waves which bounce off the listener's ear

B.   Sound waves which are reflected (bounced) off surfaces between the source and the listener

C.   Sound waves which bounce off the source

D.   Sound waves which bounce off the ground

26: What is echo cancellation?

A.   A process of Send and receive data at the same time

B.   A method of distorting audio signals

C.   A way of increasing echo in an audio path

D.   A means of eliminating echo from an audio path

27: What does EIA stand for?

A.   European Investment Bank

B.   Electronics Industries Alliance

C.   Environmental Impact Assessment

D.   Export-Import Bank of India

28: What is the full form for EMI?

A.   Electromagnetic interference

B.   Electronic maximization interface

C.   Electronic miniaturization interface

D.   Electronic minimum interference

29: What is electromagnetic interference (EMI)?

A.   A measure of the strength of a magnetic field

B.   An electrical disturbance caused by an electromagnetic field, either low frequency or radio frequency (RF)

C.   The disruption of the operation of electronic equipment by electromagnetic fields

D.   A unit of measurement for EMF strength

30: What does EMI stand for?

A.   European Market Index

B.   Electronic Music Instruments

C.   Early morningillusion

D.   Electromagnetic interference

31: What is emissive technology?

A.   Any display device that emits light to create an image.

B.   Technology used to study the effects of electromagnetic radiation

C.   An electric vehicle battery technology

D.   A device that uses long-wavelength infrared imaging to detect hidden objects

32: What is fiber optic?

A.   A technology that uses glass or plastic threads or wires to transmit information.

B.   A technology that uses glass or plastic threads or wires to transmit light.

C.   A type of data storage

D.   A technology that uses mirrors or lenses to transmit light.

33: How many fields are in a standard video frame?

A.   Three

B.   Four

C.   One

D.   Two

34: What is contained in each standard video frame?

A.   Two interlaced fields

B.   One field

C.   Three fields

D.   Four fields

35: What does a filter do?

A.   Remove or pass only certain frequencies from a signal

B.   Remove or pass certain frequencies from a signal

C.   Allow all frequencies through a signal

D.   Block all frequencies from a signal

36: What is a fixed matrix?

A.   A device used to measure electrical potential

B.   A type of display that has a fixed grid on which it recreates an image.

C.   A mathematical model used to predict future events.

D.   A tool used to calculate proportions

37: What is the definition of "gain" in electronics?

A.   Electronic signal amplification

B.   The ability of a projection screen to concentrate light

C.   A measure of how well a system can reproduce an input signal with distortion

D.   The number of decibels that a system increases the level of an input signal

38: What does the audio processor gate allow signals to pass?

A.   At any setting or threshold.

B.   Only below a certain setting or threshold.

C.   Only above or below a certain setting or threshold.

D.   Only above a certain setting or threshold.

39: What does a gate do?

A.   It filters out signals.

B.   It amplifies signals.

C.   It allows signals to pass only above a certain setting or threshold.

D.   It passes signals only below a certain setting or threshold.

40: What does the word "gauge" mean?

A.   A thickness or diameter of a wire

B.   A unit of measure for shotguns

C.   A large needle

D.   The weight of a railway car

41: What does the term "auge" refer to?

A.   A thickness or diameter of a wire.

B.   The weight of a wire.

C.   The type of metal used in a wire.

D.   The length of a wire.

42: What does the term "genlock" mean?

A.   To generate a lock signal for devices

B.   To lock multiple devices together

C.   To lock the synchronization signals of multiple devices to a single source

D.   To synchronize multiple devices to a single source

43: What is a glass bead screen?

A.   A screen made of glass

B.   A screen used to view things in the dark

C.   A screen covered with tiny glass beads, each of which provides a spherically reflective surface.

D.   A screen made of plastic

44: What are harmonics?

A.   Higher frequency sound waves that blend with the fundamental frequency.

B.   Sound waves that do not blend with the fundamental frequency.

C.   Lower frequency sound waves that blend with the fundamental frequency.

D.   Fundamental frequency sound waves.

45: What is HDTV?

A.   Harnessing Dinosaur bones for Technology

B.   High Display Television

C.   High Definition Television

D.   Highly Dangerous Television

46: Process and combine the signals at the headend of the cable distribution system

A.   Process and amplify the signals

B.   Process and combine the signals

C.   Process and store the signals

D.   Process and distribute the signals

47: What is a heat sink?

A.   A device that regulates the flow of electricity

B.   A device that conducts electricity

C.   A device that produces heat to warm an electrical component.

D.   A device that absorbs and dissipates heat produced by an electrical component.

48: What is the purpose of a heat sink?

A.   To magnify the heat produced by an electrical component

B.   To conduct electricity

C.   To absorb and dissipate heat produced by an electrical component

D.   To store heat

49: Which of the following best describes a hemispheric polar pattern?

A.   The dome shape of the region that some microphones will be most sensitive to sound

B.   A microphone that is only sensitive to sound

C.   A type of boundary microphone

D.   A microphone that is not sensitive to sound

50: What is the hemispheric polar pattern?

A.   A sound recording technique

B.   A method of sound reinforcement

C.   The dome shape of the region that some microphones will be most sensitive to sound.

D.   A type of microphone