Digital Electronics - The 8051 Microcontroller - Discussion

Discussion Forum : The 8051 Microcontroller - General Questions (Q.No. 19)
19.
The 8051 has ________ parallel I/O ports.
2
3
4
5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
6 comments Page 1 of 1.

Jayasree said:   3 years ago
I think 3 parallel ports and 1 serial port.

Adil said:   8 years ago
What means the parallel i/o ports?

Karun said:   10 years ago
Because 4 ports we can access at the same point of time.

Collins said:   1 decade ago
Am in love with this web, really educative.

Sake narendra said:   1 decade ago
The 8051 has 4 I/O ports they are:

Port 0.
Port 1.
Port 2.
Port 3.

Das said:   1 decade ago
Give prior phenomenon behind it.

Post your comments here:

Your comments will be displayed after verification.