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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 7
31.
In 8085 microprocessor with memory mapped I/O which of the following is true?
I/O devices have 16 bit addresses
I/O devices are accessed during IN and OUT instructions
There can be a maximum of 256 input and 256 output devices
Logic operations can not be performed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Which of the following 8 bit microprocessors has maximum addressing modes?
8085
Z 80
6800
6809
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Java variables are called
instance variables, class variables and global variables
instance variables, class variables and local variables
instance variables, class variables and sector variables
global variables, class variables and local variables
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Consider the real expression in Pascal language

((X * Z) + Y/(M * P + K) + X)/Y + Y)

 What would be evaluated first
XZ and MP + K
XZ + Y and MP + K
(MP + K + X) / Y
Y / (MP + K)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
8 bit data can have 256 numbers ranging from 00000000 to 111 111 11.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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