WorksheetsMr Dewhirst's Binary Quiz
Total questions: 28
Worksheet time: 15mins
Which of the following are types of coding schemes?
Morse Code
ASCII
Braille
Bacon's Cypher
When using Morse Code, which symbols do we use?
Dots and Dashes
a's and b's
0's and 1's
Shaded and Non-Shaded dots
When using ASCII, which symbols do we use?
Dots and Dashes
a's and b's
0's and 1's
Shaded and Non-Shaded dots
In computing, the coding scheme used is?
ASCII
English
Morse Code
None
Every piece of information on a computer can be represented as...
A sequence of 0's and 1's
A sequence of numbers and letters
An algorithm
An image, text or video
In the real world 0's and 1's can be seen as an on/off switch.
The 1 is seen as ...
On
Off
Why have people created so many different coding schemes?
Because they got bored
Different schemes have different uses
For fun
Which of these sequences of symbols is most likely to represent the text 'cat' in a computing device?
-.-. .- -
1100001 1100011 1110100
3 1 20
c a t
What is 'bit' short for?
Binary Digit
byte
Little bits of data
What is the length of the sequence '101' ?
3-bits
9-bits
24-bits
1-bit
Why do we use 0's and 1's for binary sequences?
Convenient for representing numbers
Easier to build binary systems (can use switches)
It would be too confusing using any higher
The person who was making it was lazy
Computers use two symbols because they are ...
Too simple to understand more
Built out of switches
What is the Denary / Decimal system?
Our 'normal' numbers (0-9)
Binary but added up
A collection of different coding schemes
Numbers between 0 and 31
Binary is a Base _ System
Base 16
Base 2
Base 4
Base 26
Denary is a Base _ system
Base 2
Base 5
Base 10
Base 26
When converting Binary to Denary, what are the converting values?
64 32 16 8 4 2 1
10 9 8 7 6 5 4 3 2 1 0
32 28 20 16 12 8 4 0
70 60 50 40 30 20 10 0
Using this table to help,
Convert the following ASCII code to Denary:
0011011
26
27
28
29
Using this table to help,
Convert the following ASCII code to Denary:
0100101
35
36
37
38
Using this table to help,
Convert the following ASCII code to Denary:
1011101
91
93
95
97
Using this table to help,
Convert the following ASCII code to Denary:
1111111
121
123
125
127
Using this table to help,
Convert the following ASCII code to Denary:
0111111
61
63
65
67
What are Nano, Centi and Kilo types of?
Prefix
Suffix
In terms of data, what prefixes do we use? (e.g. ____byte)
kilo
mega
giga
tera
A group of eight binary digits is called a ...
a byte
8 bits
a group of 8
a chunk
The prefix Kilo means ...
thousands
millions
billions
trillions
The prefix Mega means ...
thousands
millions
billions
trillions
The prefix Giga means ...
thousands
millions
billions
trillions
The prefix Tera means ...
thousands
millions
billions
trillions
