Y8 summary 1

Who is this person in the picture?

• Alan Turing

• George Boole

• Dr Denes

• John von Neuman

What do we do when we "evaluate" a boolean statement?

• we forget the statement

• we turn it true

• we find whether it is true or false

• we stare at it puzzled

Evaluate the following statement:

5 + 1 == 4 * 5

• T

• F

8 / 4 != 1 + 1

• T

• F

Fill in the blank so the statement is true:

5 * 5 ____ 26

an ___ gate is only true if all its inputs are true

an __ gate is true if any of its inputs is true

What is a truth table?

• A table which always tells the truth

• A table which never tells lies

• A table which records how different inputs of a logic circuits lead to True or False outputs

• A table which records the combinations of inputs which lead to True outputs

What is Python?

• A tiny snake

• A high-level programming language

• A torture device designed against Perse students

• A colour

Evaluate Z if A and C are both set to TRUE and B is set to FALSE where

Z = NOT(A OR B) OR (B AND C)

• T

• F