Year 8 Representation Mid Unit Assessment HW

Why do you think people invented writing?

• To help speaking

• To record information

• To summarise data

• To store and process information

When writing was invented, what problems did it help solve?

• Reduce crime

• Store and process information

• Understand language

• Improve oral communication

Information can be represented by?

• Choreographed dance routines

• Oral communication

• Sequences of symbols

• Physical gestures

Decode the following message:

-... | .- | -... | -... | .- | --. | .

• Babbage

• Buzzard

• Cabbage

• Babbler

What does ASCII stand for?

• African Standard Code for Information Interchange

• Alternative Scheme Codes for Information Interchange

• American Standard Code for Information Interchange

• American Standard Code for Information Transmission

Which of the following equipment can be used to transmit a message? (Tick 4 boxes)

• Fan

• Sound

• Paper

• Light

• Electric Circuits

Rules that allow two or more parties to transmit a message is called?

• Communication arrangement

• Communication protocol

• Communication treaty

• Communication agreement

An image in a computer is represented as a sequence of?

• Series of 1s and 0s

• Series of dits and dahs

• Series of dots

• Series of dashes

ASCII is a coding scheme that represents every character as a sequence of:

• 0s and 1s

• 1s and 2s

• 0s and 2s

• 1s and 3s

How many different characters can be encoded using 7 bits?