NEW
Font size
WorksheetsYear 8 ICT Assessment
Total questions: 50
Worksheet time: 27mins
What is encryption?
When you put data / text into code making it difficult to read or understand.
A secret or disguised way of writing; a code.
A formal language designed to communicate instructions to a machine
What is put in, taken in, or operated on by any process or system.
A cipher is _________________________.
a person who makes up secret codes
an algorithm that is used to scramble text so that it can be passed in secret
a lock that can be used to lock a message in a lock box
any puzzle, such as a crossword or Sudoku puzzle
Who was the first known user of the Caesar Cipher?
Caesar Romanus
Julius Caesar
Alan Turing
There isn't one
In Cryptography, the original message, before being transformed, is called
Simple Text
Plain Text
Cipher Text
Filled Text
An encryption algorithm transforms plain text into:
Cipher text
Simple Text
Empty Text
Plain Text
_______ is the science and art of transforming messages to make them secure and immune to attacks.
Cryptography
Cryptoanalysis
neither Cryptography nor Cryptoanalysis
either Cryptography or Cryptoanalysis
A(n) ______ algorithm transforms cipher text to plain text.
Encryption
Decryption
A Caesar cipher is an example of a ______________________.
transposition cipher
bimodal cipher
substitution cipher
substantial cipher
Encrypt the word alphabet using a Caesar cipher with a shift of 3
DVSDULQV
DOOFOHDU
DOSKDEHW
DORQHBHV
The process of converting a ciphertext into plaintext.
encryption
decryption
plaintext
cryptography
The following word was encrypted using a Caesar cipher with a shift of 2: ecguct. What word is it?
julius
caesar
romans
cipher
The _______ is a number or a set of numbers on which the cipher operates.
secret
cipher
key
none of the mentioned
A method for determining a solution to a problem by sequentially testing all possible solutions.
brute force
relative frequency
cipher
paired keys
What machine was used during WWII to encrypt and decrypt German messages?
Enigma
Atbash
Secret
Puzzler
What was the name of the man who led the team that cracked the German's "Enigma Code" in WW2?
Tim Berners-Lee
Alan Turing
Stephen Hawking
Bill Gates
How many different shifts can Caesar Cipher have?
16
25
3
infinite
The weaknesses of Caesar Cipher can include
brutal force attack
frequency analysis
trying all number of shifts possible
All the above
What kind of 'base' system is binary known as?
Base 12
Base 8
Base 2
Base 10
How do Binary values change with each addtional number?
They double
They go up in 10's
If a binary number ends with a 1, it must be...
An odd number
An even number
A prime number
The number 12
Which of these is the correct sequence for the place values for binary numbers?
1, 2, 4, 8, 16, 32, 64, 128
1, 2, 4, 6, 8, 10, 12, 14, 16
1, 2, 3, 4, 5, 6, 7, 8
0, 1
What are the only two numbers you can use in binary?
0 and 1
1 and 2
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
1, 2, 4, 8, 16
What is the point of binary?
It represents how computers interpret electrical signals
Because we like to make you do extra maths ;-D
For the lulz
Because it describes star systems
How would you write the number two in binary?
1001
0001
0000
0010
Binary is made up of which numbers
3 and 4.
2 and 3.
1 and 2.
0 and 1.
A bit is
a numerical label assigned to each device.
the smallest unit of data in a computer.
a keyboarding term for typing.
is a numeral system made up of 16 symbols.
A group of 8 bits is known as a gigabyte.
True
False
8 bytes = 1 bit
TRUE
FALSE
How would you write the number 4 in binary code?
0100
0000
0001
0010
How do you write the number 10 in binary?
1010
11
1001
1000
Which represents the number 0 in binary?
0
1
10
100
Which represents the number 20 in binary?
10100
1010
101
101000
To add a "Key Frame", you must click on a frame on the timeline and _____
Press Enter
Double Click
Right click & Choose Insert Key Frame
Right click & Choose Insert tween
To add an "Tween" between your Key Frames, you must click on any frame between the "Key Frames and then _____.
Press Enter
Right click & Choose Insert Key Frame
Right click & Choose Create Classic Tween
Klik CTRL + enter
where you can get the shape to put into your stage?
Toolbox
Timeline
Stage
Properties
shapes have more depth
1D
2D
3D
______________ are different options available in a software package.
Kits
Machines
Tools
_______________ is the process of giving the illusion of movement to objects.
Programming
Animation
Event
What does 2D mean?
two differences
two drawings
two dimensional
This picture is of a _____ animation.
1D
2D
3D
This picture is of a _____ animation.
1D
2D
3D
This picture is of a _____ animation.
1D
2D
3D
This picture is of a _____ object.
1D
2D
3D
This picture is of a _____ object.
1D
2D
3D
What is an individual image within a sequence of images?
Tween
Layer
Animation
Frame
What term in animation refers to automatically adding or modifying a series of frames between two existing frames (also known as "in betweening")?
Animate
Tweening
Frame Rate
Playhead
What is the process of creating animated images using computer graphics?
Computer Animation
Stage
Animatic
Arts
In Adobe Animate, what is the rectangular area where content such as graphics are displayed?
Stage
Timeline
Frames
Keyframe
In Adobe Animate, what does it mean to create animation for changes in position on the Stage and for changes in size, color, or other attributes?
Motion Tweens
Tweening
Frames
Keyframe
A repeating section of video or audio is referred to as a __________________
Repeat
Hoop
Ringing
Loop
