EOY- Data representation Flashcards
1
Q
how do we represent data?
A
Different sequences of symbols can represent the same thing.
2
Q
What are types of representations?
A
Bar codes
QR codes
sign language
brail
semaphore
3
Q
Why do people write information down?
A
To store it
To communicate it
To process it
4
Q
ASCII
A
ASCII is made of bits (1s and 0s)
5
Q
Morse Codes
A
Morse codes are made of dots and dashes
6
Q
Telegram
A
Telagrams are made o black dots and white dots
7
Q
Braille
A
brail is made of risen dots
8
Q
The bacon Cypher
A
The bacon Cypher is made up of as and bs
9
Q
what is a bit
A
1 and 0
10
Q
what is binary
A
The language that computers use/ASCII
11
Q
how many numbers are in denary? (what we use today)
A
10 (0,1,2,3,4,5,6,7,8,9)
12
Q
how many numbers are in binary? (language computers use)
A
2 (0 and 1)
