Structure of the (computer) memory
Bit (Binary digit) = elementary memory device (switch)
Byte = 8 bits
Structure of memory - example
Different binary numbers that can be stored in 1 byte of memory
Different binary numbers that can be stored in 1 byte of memory
Solution:
Combining 2 adjacent memory bytes (cells)
Example:
cells 0, 1 can be combined into a
16 bit memory cell with
address 0
Example:
cells 8, 9 can be combined into a
16 bit memory cell with
address 8
Example:
cells 7, 8
cannot be combined !!
Combining 2 adjacent memory bytes (cells) -
Example
The computer instruction will specify the number of bytes to that it wants to access
Combining 2 adjacent memory bytes (cells) -
an analogy
Combining 4 adjacent memory bytes (cells)
Combining 4 adjacent memory bytes (cells)
- Example
Postscript
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