Question
a.
I/O devices have 16 bit addresses
b.
I/O devices are accessed during IN and OUT instructions
c.
There can be a maximum of 256 input and 256 output devices
d.
Logic operations can not be performed
Posted under Electronics and Communication Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. In 8085 microprocessor with memory mapped I/O which of the following is true?
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. Which of the following 8 bit microprocessors has maximum addressing modes?
View solution
Q. Java variables are called
View solution
Q. Consider the real expression in Pascal language
((X * Z) + Y/(M * P + K) + X)/Y + Y)
What would be evaluated first
View solution
Q. 8 bit data can have 256 numbers ranging from 00000000 to 111 111 11.
View solution
Q. If N = 196, the result of the following program will be
INTEGER N, DIGIT 1, DIGIT 2, DIGIT 3,
SUM
READ*, N
DIGIT 1 = N - (N / 10)* 10 N = N / 10
DIGIT 2 = N - (N / 10)* 10 N = N / 10
DIGIT 3 = N - (N / 10)* 10
SUM = DIGIT 1 + DIGIT 2 + DIGIT 3
View solution
Q. In 8085, which of the following registers cannot be paired?
View solution
Q. If the mantissa has a sign bit of 0 and the exponent is changed from a negative number to a more positive number the result is
View solution
Q. Which of the following statements in FORTRAN 77 is non executable?
View solution
Q. A blank EPROM has
View solution
Q. The proper exponential form of - 0.0032 in FORTRAN 77 is
View solution
Q. Which of the following integer expressions is correct in Pascal?
View solution
Q. An advantage of memory interlacing is that
View solution
Q. The number of operator to accomplish basic arithmetic in Java is
View solution
Q. The signals in 8086 are classified into
View solution
Q. Consider the following statements about constants in 8085
1. The assembler treats 64 H as hexadecimal constant.
2. The assembler treats 154 as binary constant.
3. The assembler treats 540 as octal constant.
4. The assembler treats 138 as decimal constant.
Which of the above are correct?
View solution
Q. Internally the two distinct units of 8086 are called
View solution
Q. Which of the following directives in 8085 causes one byte to be reserved in the memory?
View solution
Q. The chip 8259 is a
View solution
Q. A computer memory is an ordered sequence of storage cells.
View solution
Q. Assertion (A): The variable name 5KING is not valid in Fortran 77.
Reason (R): In Fortran 77 the first character of a variable name must be an alphabet.
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
