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COMMUNICATION SYSTEM

Total questions: 35

Worksheet time: 24mins

Name
Class
Date
1.

A SYSTEM OF PROVIDING TELEVISION TO CONSUMERS VIA RADIO FREQUENCY SIGNALS TRANSMITTED TO TELEVISIONS THROUGH FIXED OPTICAL FIBERS OR COAXIAL CABLES AS OPPOSED TO THE OVER-THE-AIR METHOD USED IN TRADITION TV BROADCASTING WHICH A TV ANTENNA IS REQUIRED

a)

CATV

b)

PABX

c)

EPABX

d)

PA

2.

A TELECOMMUNICATION DEVICE - TRANSMITS AND RECEIVES SOUND

a)

INTERNET

b)

TELEPHONE

c)

PABX

d)

EPABX

3.

CATV means

a)

CABLE ADDRESS TELEVISION

b)

COMMUNITY TELEVISION

c)

COAXIAL CABLE TELEVISION

d)

CABLE TELEVISON

4.

AN ELECTRONIC AMPLIFICATION SYSTEM WITH A MIXER, AMPLIFIER AND LOUDSPEAKERS, USED TO REINFORCE A GIVEN SOUND

a)

PABX

b)

PA

c)

CATV

d)

EPABX

5.

A PUBLIC ADDRESS OR PA SYSTEM IS COMPOSED OF 3 MAIN COMPONENTS. WHAT ARE THESE COMPONENTS?

a)

CABLE, LOUDSPEAKER, AMPLIFIER

b)

SOUND SOURCE, AMPLIFIER, LOUDSPEAKER

c)

SOUND SOURCE, LOUDSPEAKER, CABLE

d)

AMPLIFIER, SOUND SOURCE, CABLE

6.

A STAND-ALONE ELECTRONIC COMMUNICATIONS SYSTEM INTENDED FOR LIMITED OR PRIVATE DIALOGUE

a)

FAX MACHINE

b)

TELEPHONE

c)

INTERCOM

d)

PA

7.

ARE SETS OF ELECTRONIC DEVICES THAT ARE USED TOGETHER TO TRANSMIT OR RECORD SOUND AND CONVERT ELECTRICAL SIGNALS INTO IMAGES

a)

CATV

b)

PUBLIC ADDRESS SYSTEM

c)

INTERCOMMUNICATION SYSTEMS

d)

AUDIO/VIDEO SYSTEMS

8.

MICROPHONE OR A PLAYBACK DEVICE SUCH AS A CASSETTE DECK OR A CD PLAYER

a)

INTERCOM

b)

SOUND SOURCE

c)

AMPLIFIER

d)

LOUDSPEAKER

9.

USED TO INCREASE THE LEVEL OF THE ELECTRICAL SIGNAL FROM THE SOUND SOURCE SO THAT IT CAN BE HEARD AT SUFFICIENT VOLUME FROM THE LOUDSPEAKER

a)

SOUND SOURCE

b)

AMPLIFIER

c)

CABLE

d)

LOUDSPEAKER

10.

DEVICE WHICH CONVERTS THE ELECTRICAL IMPULSES FROM THE AMPLIFIER INTO VIBRATIONS IN THE AIR WHICH OUR EAR INTERPRETS AS SOUNDS

a)

AMPLIFIER

b)

LOUDSPEAKER

c)

SOUND SOURCE

d)

INTERCOM

11.

ANOTHER TERM FOR INTERCOM

a)

STAND-ALONE

b)

DOORPHONE

c)

TELEPHONE

d)

WALKIE TALKIE

12.

DETECTS THE PRESENCE OF RADIO SIGNALS OR RADIO ACTIVITY

a)

EQUALIZER

b)

AMPLIFIER

c)

DETECTOR

d)

MIXER

13.

REDUCES FREQUENCY DISTORTION

a)

MIXER

b)

EQUALIZER

c)

AMPLIFIER

d)

DETECTOR

14.

MIXES TWO OR MORE INPUT SIGNALS TO GIVE SINGLE OUTPUT SIGNAL

a)

PLAYBACK

b)

EQUALIZER

c)

AMPLIFIER

d)

MIXER

15.

COMPRISING THE PART OF A TAPE RECORDER THAT REPRODUCES THE RECORDED MATERIAL

a)

DETECTOR

b)

AMPLIFIER

c)

PLAYBACK

d)

MIXER

16.

INCREASES STRENGTH OF SIGNALS PASSING THROUGH IT

a)

AMPLIFIER

b)

EQUALIZER

c)

MIXER

d)

PLAYBACK

17.

THE ABILITY TO PERMIT OR DENY THE USE OF A PARTICULAR RESOURCE BY A PARTICULAR ENTITY

a)

VIDEO DOOR PHONE

b)

ACCESS CONTROL SYSTEM

c)

TIME AND ATTENDANCE SYSTEM

d)

INTRUSION ALARM

18.

MONITORING AND MANAGING THE MOBILE ASSETS ARE THE CORE FUNCTIONALITIES OF ANY COMPANY DEALING WITH THE SERVICES, DELIVERY OR TRANSPORT VEHICLES

a)

VEHICLE AUTOMATION SYSTEM

b)

VEHICLE TRACKING SYSTEM

c)

FIRE AUTOMATION INTEGRATION

d)

ELECTRONIC ARTICLE SURVEILLANCE

19.

AUDIO VIDEO DOOR ENTRY SYSTEMS INTEGRATED WITH ELECTRONIC ENTRY SYSTEMS, VIDEO ENTRY AND ACCESS CONTROL SYSTEMS

a)

ACCESS CONTROL SYSTEM

b)

VIDEO DOOR PHONE

c)

INTERCOM

d)

INTRUSION ALARM

20.

AN INTEGRATED CIRCUIT WHICH (MAIN COMPONENT IN A VIDEO SIGNAL GENERATOR, A DEVICE RESPONSIBLE FOR THE PRODUCTION OF A TV VIDEO SIGNAL IN A COMPUTING OR GAME SYSTEM

a)

VIDEO CONTROLLER

b)

VIDEO DISPLAY CONTROLLER

c)

VIDEO MONITOR

d)

DISPLAY CONTROLLER

21.

USES REMOVABLE VIDEOTAPE CASSETTES CONTAINING MAGNETIC TAPE TO RECORD AUDIO AND VIDEO FROM A TV BROADCAST SO THAT IT CAN BE PLAYED BACK LATER

a)

VDC

b)

VTR

c)

DVR

d)

USB

22.

USED TO SELECT DIFFERENT VIDEO SOURCES

a)

SYNCHRONIZATION SYSTEM

b)

VIDEO SWITCHING EQUIPMENT

c)

TRANSMISSION SYSTEM

d)

SONET

23.

IMPORTANT IN FIELDS SUCH AS DIGITAL TELEPHONY, VIDEO AND DIGITAL AUDIO WHERE STREAMS OF SAMPLED DATA ARE MANIPULATED

a)

VIDEO SWITCHING EQUIPMENT

b)

SONET

c)

TRANSMISSION SYSTEM

d)

SYNCHRONIZATION SYSTEM

24.

MAKES SPEECH UNINTELLIGIBLE DURING TRANSMISSION AND RESTORES IT AT RECEPTION

a)

VIDEO SYSTEM

b)

SET

c)

TV EQUIPMENT

d)

SCRAMBLER

25.

RECEIVES OR TRANSMITS RADIO OR TV SIGNAL

a)

TV EQUIPMENT

b)

SET

c)

SCRAMBLER

d)

VIDEO EQUIPMENT

26.

You were tasked to design a call center office. The manager specifically told you he wanted to keep a close watch on his staff. What type of wall for the cubicles would you recommend taking into consideration acoustics and the manager's instruction for visual acuity?

a)

low wall modular partition with glass strips at the middle

b)

glass

c)

dry wall partition

d)

CHB

27.

What type of device will you use to amplify the wifi connection coming from the main server?

a)

LAN

b)

Router

c)

PABX

d)

CCTV

28.

What is needed to amplify the data from the Computer Server when the computers are from it?

a)

Network Switch

b)

Hub

c)

Router

d)

Modem

29.

Which device forwards data packets between computer networks? On the internet, it performs traffic directing functions.

a)

LAN

b)

Router

c)

Modem

d)

PABX

30.

What would you install if you want a local connection as well as an outside line?

a)

LAN

b)

Router

c)

PABX

d)

CCTV

31.

Meaning of CCTV

a)

Catholic Church Television

b)

Closed Circuit Television

c)

Computer Controlled Television

d)

Circuit Camera Television

32.

Also known as BTU, this device converts data so that it can be transmitted from computer to computer.

a)

LAN

b)

PABX

c)

Router

d)

Modem

33.

A type of security device

a)

CATV

b)

CCTV

c)

PABX

d)

AC

34.

Primary concern in installing PABX in an existing room

a)

Space for new installation

b)

High cost of cable

c)

High cost of installation

d)

Wiring installation

35.

Why is it necessary to plan Data Connection Cables?

a)

Data cables are expensive

b)

To avoid visual chaos

c)

To optimize data transfer speed

d)

For intermittent signal