Convert the hex to binary, Operating System

Assignment Help:

Convert the following from hex to binary and draw it on the memory map.

RAM = 0000 -> 00FF
EPROM = FF00 -> FFFF

Answer:

0000 0000 0000 0000 (0) RAM start

0000 0000 1111 1111 (255 byte) RAM stop

1111 1111 0000 0000 (63.75K) Eprom start

1111 1111 1111 1111 (64K) Eprom stop

The memory map is shown below:-

1646_Convert the hex to binary.png

Due to the tri-state nature of the I.C's (Ram, Rom etc.) they may be placed in parallel and 'turned on ' when they are required. This process is termed decoding. There are two types of   decoding:-

    1. Partial decoding
    2. Absolute decoding

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