erform the following additions. Assume that all numbers are in 8-bit 2’s complement notation. State the carry-in and carry-out, whether overflow or not, and if the result is correct. 10011001 +10111011    Perform the following subtractions. Assume that all numbers are in 2’s complement notation. State the carry-in and carry-out, whether overflow or not, and if the result is correct. 11101101 – 00101010

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Random Access

Random access is generally known as direct access. Random access is the capability to have access to any item from a given population of elements at random. Sequential access is the direct opposite of random access. In random access, the elements can be retrieved irrespective of the location. In order to move from point A to Z,  you can just jump to point Z in random access system. The disk is an example of random access.