pcomm 2nd sem prelims

COMMUNICATION

is the process of exchanging information.

is inherent to all human life and includes verbal, nonverbal (body language), print, and electronic processes.

PROCESS OF COMMUNICATION

arise between persons of different cultures or nationalities.

LANGUAGE BARRIERS

.LONG DISTANCES

problem in communication between early human beings was limited to face-to-face encounters

What is communication?

The process of exchanging information

Which of the following is NOT a form of communication mentioned in the module?

Holographic communication

Which two are the main barriers to human communication?

Language and distance

What early method was used to communicate over long distances?

Smoke signals

Who invented the electromagnetic telegraph system?

Samuel Morse

What code system was developed by Samuel Morse?

Morse Code

Which invention allowed rapid long-distance communication in the 19th century?

Telegraph

The telegraph helped connect the United States to what by the 1870s?

A global telecommunications network

Which device transmits speech electronically?

Telephone

Which company improved telephone cables to transmit signals better?

AT&T

What technology uses laser light to transmit information?

Fiber optics

What is the main advantage of fiber optic communication?

Faster data transmission

What device boosted cable TV signals before digital boxes?

Antenna amplifiers

Which modern device supports texting, emailing, video, and apps?

Cell phone

Which technology is predicted to replace printed books and newspapers?

eBooks and audiobooks

What future feature is expected to remove language barriers?

Auto voice translation

All electronic communication systems must have a:

Transmitter, channel, and receiver

What is the path a signal uses to travel from source to destination?

Channel

What is the general term for any disturbance that degrades a signal?

Noise

Which is an example of noise?

Hiss sound in a radio

What type of noise comes from the atmosphere, sun, and space?

External noise

Noise limits the system’s ability to process what?

Weak signals

Receiver sensitivity refers to:

Minimum signal needed for good output

Which of the following is NOT an example of external noise?

Thermal noise inside a receiver

What happens to a message when noise is present?

It becomes altered

A pilot sends a message but the receiver hears a buzzing sound mixed with the voice. Which concept best explains the disturbance?

Noise

Which situation BEST represents a language barrier?

Two people from different cultures misunderstanding each other

A signal becomes weak after traveling a long distance through a cable. This problem is mainly caused by:

Attenuation

Which invention first allowed messages to be transmitted using electrical impulses over wires?

Telegraph

Why was the telegraph considered a global breakthrough?

It connected the world through rapid communication

Which stage happens FIRST in a communication system?

Signal representation

A message created by a computer is called:

Information signal

Which component ADDS noise to the message most often?

Channel

Which of the following is an example of extra-terrestrial noise?

Solar noise

A receiver cannot detect very weak signals because of noise. This shows that noise affects the:

Sensitivity

Which of the following is NOT a required part of an electronic communication system?

A modem

A distorted television picture caused by nearby machines is an example of:

Industrial noise

Why did early underwater telephone cables fail?

Signal was too weak

Which technology transmits data at the speed of light?

Fiber optics

Which device allowed people to multitask (text, email, video, apps)?

Smartphone

Which future technology is predicted to remove language barriers?

Auto voice translation

A message is encoded, modulated, transmitted, then decoded. This describes a:

Communication system

Which factor limits the weakest signal a receiver can amplify?

Noise

A random, patternless signal interfering with a message is called:

Noise

Which is the BEST example of external noise?

Atmospheric noise

Hiss

sound in radio receivers

sound amidst of telephone conversations

Buzz

Flicker

are commonly seen in television receivers, etc.