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Question

The address space of 8086 microprocessor is

A
one megabyte
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B
256 Kilobytes
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C
1 K Megabytes
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D
64 Kilobytes
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Solution

The correct option is B one megabyte

The address space of 8086 microprocessor is one megabyte.

All internal registers, as well as internal and external data buses, are 16 bits wide, which firmly established the "16-bit microprocessor" identity of the 8086. A 20-bit external address bus provides a 1 MB physical address space (2^20 = 1,048,576).

8086 Microprocessor is an enhanced version of 8085Microprocessor that was designed by Intel in 1976. It is a 16-bit Microprocessor having 20 address lines and16 data lines that provides up to 1MB storage. It consists of powerful instruction set, which provides operations like multiplication and division easily.


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