WorksheetsYear 7 - End of Unit
Total questions: 20
Worksheet time: 13mins
What flowchart symbol does this represent?
Input/Output
Start/End
Decision
Process
What does this symbol represent?
Decision
Input/Output
Start/End
Process
print "Hello"
What is an Algorithm
A program
Step by step instructions to achieve a given task
It is a computer language
It is computer hardware
A logical step-by-step process for solving a problem is called
Algorithms
Coding
Binary Numbers
Hexadecimal
A diagram that represents a set of instructions is called:
Computers
Shapes
Pseudocode
Flowchart
Why do we need algorithms?
To tell the mouse and keyboard what to do
To solve a given problem
To use computational thinking
None of these reasons!
_______ 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
