There are 16 data lines in 8086.
5 data input lines and 5 data output lines
12
A 2K X 8 memory requires 11 address lines and 8 data lines
17 address lines and 8 data lines. 2^17=128k
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Microprocessor has 16 address lines and microcontroller has 20 address lines
Bytes:32768 Bits:262144
2e24x16
8 data lines
The address lines A0..A15 are multiplexed with the data lines D0..D15 on the pins AD0..AD15
There are eight datalines, D0 through D7, in the 8085 microprocessor. They are shared, or multiplexed with the eight low order address lines, A0 through A7, and are called AD0 through AD7 on the pinout drawing.