Unit 4- Logic gates

Description

Computer science Flashcards on Unit 4- Logic gates, created by lucia larrain on 05/07/2018.
lucia larrain
Flashcards by lucia larrain, updated more than 1 year ago
lucia larrain
Created by lucia larrain about 6 years ago
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Resource summary

Question Answer
What is a logic gate? The basic foundation of a digital circuit that controls the flow of electronic signals.
What is digital circuit? A circuit where electronic signal are one of two values, high voltage(1) or low voltage(0).
What is voltage? The potential difference across an electrical component needed to make electricity flow through it.
What is microprocessor? An integrated circuit that provides the same function of a CPU.
What is truth table? A way of showing every outcome of a logic gate.
What is an AND gate? X can only be 1 if A and B are 1. Logical statements are known as Boolean statements. Statement for an AND gate is: X=A.B ADD LOGIC GATE IMAGE FROM BOOK
What is a truth table? Truth table of an AND gate. Is a way of showing every outcome of a logic ate. ADD TABLE FROM BOOK
What is an OR gate? X will be 1 if A or B is 1 (It can be 1 or more) Statement for an Or gate is: X=A+B. Sign (+) can be used to represent the word OR . ADD LOGIC GATE IMAGE FROM BOOK
Truth table of an OR gate? ADD TABLE FROM BOOK.
What is a NOT gate? X will only be 1 if A is 0. Statement of an NOT gate: - X=A or X=A' ADD LOGIC GATE IMAGE FROM BOOK.
Truth table of an NOT gate? TABLE FROM BOOK
What is an NAND gate? X will always be 1 unless A and B are 1. Statement of the NAND gate: ---- X=A.B or X=(A.B)' ADD LOGIC GATE IMAGE FROM BOOK
Truth table of a NAND gate? TABLE FROM BOOK
What is a NOR gate? X will always be 0 unless A and B are 0. Statement for NOR gate: X=A+B. ADD LOGIC GATE IMAGE FROM BOOK.
Truth table of NOR gate? TABLE FROM BOOK
What is a XOR (EOR) gate? X will always be 1 if inputs A and B are different. Statement for XOR (EOR) gate: X=A⊕B. ADD LOGIC GATE IMAGE FROM THE BOOK
Truth table of XOR (EOR) gate? TABLE FROM BOOK.
What is a logic circuit? What does it control? A logic circuit is an electronic circuit that combines a number of logic gates. The gates in the logic circuit will control the flow of the electricity through the circuit.
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