IndiaBIX

Digital Electronics - The 8051 Microcontroller

Exercise : The 8051 Microcontroller - General Questions
36.
What is the difference between the 8031 and the 8051?
The 8031 has no interrupts.
The 8031 is ROM-less.
The 8051 is ROM-less.
The 8051 has 64 bytes more memory.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
The I/O port that does not have a dual-purpose role is:
port 0
port 1
port 2
port 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
To interface external EPROM memory for applications, it is necessary to demultiplex the address/data lines of the 8051.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The following command will copy the accumulator to the location whose address is 23H:
MOV 23H,A
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The special function registers can be referred to by their hex addresses or by their register names.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers