Question

The ______ is not a chamcteristic feature of 8051 microcontroller.

Options

• 4 K byte of internal RAM

• 4 K byte of internal ROM

• 4 parallel bi-directional I/O port

• full-featured serial port

Answer 1

The 4 K byte of internal RAM is not a chamcteristic feature of 8051 microcontroller.

Explanation:

The standard 8051 has 128 bytes of internal RAM and 4 KB of internal ROM, so 4 KB of internal RAM is incorrect. The 8051 has four parallel bidirectional I/O ports and a serial port.