Computing Exam Revision Mind Map Anah Ahmed

Computing Exam Revision Mind Map Anah Ahmed

1. An operator is a part of an expression that does something. eg, for 2+3, '+' is the operator and '2' and '3' are the operands.

   • Common BOOLEAN operators are: 'NOT' 'AND', 'OR'.
     • Sometimes these can be combined, eg. 'NAND'.

2. There are only two possibilities in Boolean Logic- true and false

3. Venn Diagrams are used to show the different inputs.

4. The operator 'AND' takes two inputs; usually labelled as 'A' and 'B'.

   • The operator 'OR' also takes two inputs

5. Dealing with Boolean Logic involves dealing with objects that can be in one of TWO states.