Flashcards by astill.l18, updated more than 1 year ago


hardware revision

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Question Answer
What is an input device? An input device is a device that takes an instruction and performs it.
What is an output device? An output device is a device that performs a instruction and then outputs it.
Which one is the input device? - Mouse - Printer - Hard disk drive Mouse.
What does CPU stand for? Central Processing Unit.
What does RAM stand for? Random Access Memory.
What does ROM stand for? Read Only Memory.
What is the job of the CPU? Fetch, Decode and Execute.
What do NOT gates do? NOT gates take one bit as a input and gives the opposite as an output.
What do AND gates do? AND gates take two bits as inputs. If both inputs are 1 then the output is 1. Otherwise the output is 0.
What do OR gates do? OR gates take two bits as inputs. If both inputs are 0 then the output is 0. Otherwise the output is 1.
What is a puff suck switch? It is a device that lets you puff or suck down a tube to turn on a switch.
What is a core? Processors can have a single core or multiple cores. A processor with two cores is called a dual-core processor.
What are all the types of memory?
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