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Digital Electronics - The 8051 Microcontroller

Exercise : The 8051 Microcontroller - General Questions
16.
The I/O ports that are used as address and data for external memory are:
ports 1 and 2
ports 1 and 3
ports 0 and 2
ports 0 and 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The last 96 locations in the internal data memory are reserved for general-purpose data storage and stack.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Microcontrollers often have:
CPUs
RAM
ROM
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The 8051 has ________ parallel I/O ports.
2
3
4
5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The total external data memory that can be interfaced to the 8051 is:
32K
64K
128K
256K
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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