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WorksheetsY8 - Pre-Bebras
Total questions: 15
Worksheet time: 9mins
What is an algorithm?
A set of clear instructions in order
A mathematical equation
A way of determining how many likes you get on social media
A type of song
The y axis represents how far something is in which direction?
vertical
horizontal
diagonal
left
If I am facing forwards and I want to be facing right how many degrees LEFT must I turn?
90
180
270
360
What type of logic gate is this?
AND
OR
NOT
XOR
If A = 0 and B = 1, What is Z?
0
1
2
Error
A = 1
B = 1
C = 1
Y = ?
0
1
2
Error
If I had a cross at x = -1 , y = 2. Which quadrant would it be in?
top left
top right
bottom left
bottom right
A = 1
B = 1
Z = ?
0
1
2
Error
What is the remainder of an odd number if I divide it by 2?
0
1
2
3
When solving a problem which of these processes are useful?
Breaking down the problem into smaller parts
Highlighting the important details of the problem
Estimating how difficult the problem is out of 10
Ignoring parts of the problem that seem difficult
Changing the problem into one that would be easier to solve
Why are block based programming languages (like scratch) easier to use than high level programming languages (like python)
They can do more
It is harder to make syntax errors
Elements of the code have been pre-made
They provide a more visual representation of the code
a print statement in python is a type of what?
input
output
comparison
numerical operator
Boolean Logic relates to testing a condition where there are how many possible responses?
(a)
Which of these more accurately describes what a computer does?
It understands orders and analyses information
It processes data and instructions
Computational devices are made up of thousands, millions or billions of transistors. A transistor is a semiconductor device used to amplify or switch electrical signals and power. How many states can a transistor have?
0
1
2
3
4
