data representation

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Flashcards on data representation, created by Hollie Howarth on 16/02/2016.
Hollie Howarth
Flashcards by Hollie Howarth, updated more than 1 year ago
Hollie Howarth
Created by Hollie Howarth almost 9 years ago
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Question Answer
What is binary? Binary is a number system that uses just 2 symbols (0 and 1) Computers do not understand anything other than machine code. This therefore means that instructions need to be converted and stored in binary.
What are these numbers from denary to binary?... 79 41 116 79= 0100111 41= 00101001 116= 01110100
What are these numbers from binary to denary?... 10011101 00101110 10101100 10011101= 157 00101110= 46 10101100= 172
What is 48 in binary? 00110000
What is 134 in binary? 10000110
What is 01100110 in denary? 102
What is 10000110? 134
If 1 is inputted into a NOT gate, what will the output be? 0
If 1 is inputted into an AND gate, will the output be 0? Yes or no? No
If both 1 and 0 are inputted into an OR gate, what will the output be? 1
What is a NOT gate? a NOT gate is a gate that outputs something opposite to what was put in
What is the definition of an AND gate? AND gates take two bits as inputs. If both inputs are 1 then the output is 1. Otherwise the output is 0.
What is an OR gate? OR gates take two bits as inputs. If both inputs are 0 then the output is 0. Otherwise the output is 1
What is binary also known as? Base 2
What is the alternative name for Denary? base 10
What is hexadecimal value? It is a positional numeral system with a base number of 16
What does ASCII stand for? American standard code for information interchange
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