Communications

Question 1

Platen

Answer 1

Thick piece of flat wood used to press the paper against the letters

Question 2

Proof

Answer 2

Quick copy to check for mistakes

Question 3

Font

Answer 3

Different style of letters

Question 4

Telegraph Key

Answer 4

Metal switch for completing an electrical circuit

Question 5

Morse Code

Answer 5

Code using long and short signals to represent letters

Question 5

Telegraph Receiver

Answer 5

Device containing an electromagnet making an audible click when current flows through it

Question 6

Creator of the Telegraph and Morse Code

Answer 6

Samuel Morse

Question 7

Telegram

Answer 7

Message sent by telegraph

Question 8

Microphone

Answer 8

Device to translate sound waves into electrical signals

Question 9

Fiber Optics

Answer 9

Cable consisting of hundreds of tiny glass tubes that transmit pulses of light

Question 10

Modulation

Answer 10

Message is added to a carried signal

Question 11

Amplitude Modulation

Answer 11

Amplitude or height of the carrier signal is modified to fit the original signal

Question 12

Frequency Modulation

Answer 12

Frequency of the carrier signal is modified to fit the original signal

Question 13

Amplifier

Answer 13

Device to boost the strength of an electrical signal

Question 14

Tuner

Answer 14

Device to select the desired signal

Question 15

Analog

Answer 15

Continuous Signal

Question 16

Resonance

Answer 16

The natural frequency at which something vibrates

Question 16

Digital

Answer 16

Series of Pulses

Question 17

Cathode Ray Tube

CRT

Answer 17

Phosphor coated tube that translates electrical signals into pictures

Question 18

Pixel or Picture Element

Answer 18

One dot or piece of informatino on CRT

Question 19

Liquid Crystal Display

LCD or Plasma Display

Answer 19

Flat planel screen with liquid or plasma that responds to electrical signals

Question 20

Organic Light Emitting Diodes

OLED

Answer 20

A LED containing thin flexible sheets of an organic electroluminescent material, used mainly in digital display screens.

Question 21

Geosynchronous Orbit

Answer 21

A satellite orbits around the eath at the same speed that the earth is moving so that it is always above the same point on the earth

Question 22

Polar Orbit

Answer 22

A satellite moves around the earth from North Pole to South Pole and back

Question 23

Elliptical Orbit

Answer 23

A satellite move around the earth in a stretched circle around a particular part of the earth

Question 24

Global Positioning System | GPS

Answer 24

A group of satellites that orbit the earth and provide information that can be used by a receiver to accurately pinpoint the receiver's location anywhere on earth

Question 25

Abacus

Answer 25

Mechanical device using beads to perform mathematical calculations

Question 26

Centeral Processing Unit | CPU

Answer 26

Part of computer that performs most of the calculations and controls other parts of the computer

Question 27

RAM | Acconym

Answer 27

Random access memory or short term memory

Question 28

Hard Drive

Answer 28

Device storing information in magnetic fields or long term memory

Question 29

Hardware

Answer 29

Parts of computer you can acutally touch

Question 30

Software

Answer 30

Electronic information stored or passed through a computer | Hardware - Physical Software - Electronic

Question 31

Who is credited for the invention of the printing press?

Answer 31

Johann Gutenberg

Question 32

Who is credited for the invention of the telegraph

Answer 32

Samuel F.B. Morse

Question 33

Who is credited for the invention of the telephone

Answer 33

Alexander Graham Bell

Question 34

Who is mostly credited for the work on radio transmission

Answer 34

Guglielmo Marconi

Question 35

Who was the first scientist to discover radio waves

Answer 35

Heinrich Hertz

Question 36

Who was the first scientist to send both sound and picture using radio waves?

Answer 36

John Baird

Question 37

Who created the first working mechanical calculator?

Answer 37

Charles Babbage

Question 38

Who created the first electronic programmable calculator?

Answer 38

Konrad Zuse