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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 12
11.
Which of the following is not treated as hexadecimal constant by assembler in 8085?
45 H
6 AFH
234
64 H
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
If CS = A15 A14 A13 is used as chip select logic of a 4 K RAM in 8085 system, its memory range is
3000 H - 3 FFF H
7000 H - 7 FFFH
5000 H - 5 FFF H and 6000 H - 6 FFF H
6000 H - 6 FFF H and 7000 H - 7 FFF H
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Consider the following part of a C program float a, b
b = (a > 4 ? 2 : 9);

Assuming that a has values of 3 and 6, the values stored respectively will be
2 and 9
2.0 and 9.0
2.0 and 2.0
9.0 and 2.0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Consider the following operation in a computer
  1. Multiplication of scalar
  2. Iversion of matrix
  3. Printing a line of 120 characters on a printer
Which of the above is a subroutine?
1 and 2 only
1 and 3 only
1, 2 and 3
2 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The addressing mode depicted in the given figure is
direct
register
register indirect
implicit
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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