1.2.4 Converting Data - B&D
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What is Denary
Standard number based system
What base system is denary?
Base 10 (0,1,2,3,4,5,6,7,8,9)
What base system is binary?
Base 2
Binary
Language of computers
What is 8-but structure?
124 64 32 16 8 4 2 1
What does 8-bit structure replace?
Each number with a binary switch (1 or 0, on or off)
What is rule one of binary?
0+0=0
What is rule two of binary?
1+0=1
What is rule three of binary?
1+1=10 (binary for 2)
What is rule four of binary?
1+1+1=11 (binary for 3)
What is an overflow error?
Anything over the value of 255 (11111111) produces and overflow error
Why does overflow errors occur?
There being nowhere else for the additional digit to be stored or handled
What does a binary left shit do?
Multiply
What does a binary right shit do?
Divide
Where is the MSB?
First number on the left
Where is the LSB?
First number in the right