Lesson details

Key learning points

  1. In this lesson, we will learn how to encode, transmit, and decode short messages using a variety of coding schemes and communication medium (signals, light, sounds, holes in paper, etc.). We will understand that text representation uses sequences of symbols.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
Decode the following message:- -…|.-|-…|-…|.-|--.|.
Correct answer: Babbage
Buzzard
Cabbage
Q2.
What does ASCII stand for?
An image in a quiz
African Standard Code for Information Interchange
Alternative Scheme Codes for Information Interchange
Correct answer: American Standard Code for Information Interchange
Q3.
Which of the following equipment can be used to transmit message? (Tick 4 boxes)
Correct answer: Electric Circuits
Fan
Correct answer: Light
Milk
Correct answer: Paper
Sharpener
Correct answer: Sound
Q4.
Rules that allow two or more parties to transmit a message is called?
Communication arrangement
Correct answer: Communication protocol
Communication treaty
Q5.
An image in a computer is represented as a sequence of?
Correct answer: Series of 1s and 0s
Series of dits and dahs
Series of dots