Computer Hardware & Operation Northern College Diploma Philip Bird

Computer Fundamentals Philip Bird NOT Gate NOT Rule: The output is the opposite of the input. InOut

Computer Fundamentals Philip Bird AND Gate AND Rule: The output is 1 if all the inputs are 1. In1In2Out

Computer Fundamentals Philip Bird OR Gate OR Rule: The output is 1 if any of the inputs are 1. In1In2Out

Computer Fundamentals Philip Bird XOR Gate XOR Rule: The output is 1 if either of the inputs are 1 but not both. In1In2Out

Computer Fundamentals Philip Bird Logic in Hardware 1906 Lee de Forrest The Valve 1947 Bardeen and Brattain Transistor 1958 Jack Kilby Integrated Circuit 1971 Ted Hoff Microprocessor

Computer Fundamentals Philip Bird A Non-Computing Logic Problem To do teacher training at University I will need to do Maths GCSE (M) and get either the Diploma (D) or the Access to HE Certificate (A) MDAXU AND OR M D A U X

Computer Fundamentals Philip Bird Another Example AND OR A B C NOT AND ABXYZC Y Z X

Computer Fundamentals Philip Bird Another Example AND A B C NOT ABXYZC Y Z X

Computer Fundamentals Philip Bird Computer Logic Circuits Made up of logic gates. Distinct units within the CPU doing specific jobs. Simple in operation – clock speed gives computers the power.

Computer Fundamentals Philip Bird Control Switches & Masks

Computer Fundamentals Philip Bird Addition Circuits In1In2CarrySum

Computer Fundamentals Philip Bird Summary What are the rules of the logic gates? What is a logic circuit? Why is clock speed so important? Use Circuit Shop to produce the task examples.

Computer Fundamentals Philip Bird Answers I will have another beer if I have the money (M) and can stand at the bar (S) or if someone else is buying (B) BMSXU OR AND B M S U X

Computer Fundamentals Philip Bird Answers SRQ