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WorksheetsComputer Science Revision KS3
Total questions: 16
Worksheet time: 8mins
What does a formula start with?
=
+
#
/
What is the symbol for multiply?
=
*
/
x
What is the symbol for divide?
=
*
/
x
What are the boxes on the spreadsheet called?
boxes
Squares
Cells
Other
What direction do columns go in?
Down
Across
Round
Backwards
What two numbers are used in binary?
1-100
0 and 1
1-10
1 and 2
What does the '1' mean in binary?
Off
On
In
Out
The 1 and 0 are related to?
Electricity
computers
TV
When you add a new bit heading what must you do to the previous number to make it?
Nothing
Double it
Triple it
Divide by 2
What is a trojan?
A big horse
Greek
A file that is disguised as something else
A file that moves along the wires
What is a virus?
A thing that infects your computer and makes it not work properly
A file that moves along the wires
A cold
Nothing
How do you keep your computer safe from viruses and trojans?
Anti virus software
Turing your computer off every day
Not opening anything in an email
You can't
What is conditional programming?
Programs that need a 'condition' to be met before working
A piece of code that works no matter what
What is event programming?
A piece of code that needs a 'condition' to be met before working
A piece of code that works no matter what
What axis moves things left and right on scratch?
x
y
z
a
What axis moves sprites up and down on scratch?
x
y
z
a
