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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 8
6.
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?
1, 2 and 3 only
1, 3 and 4 only
1 and 3 only
2 and 4 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Internally the two distinct units of 8086 are called
bus interface unit and execution unit
command unit and follow unit
master unit and slave unit
memory unit and operation unit
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Which of the following directives in 8085 causes one byte to be reserved in the memory?
D S
D B
D W
E Q U
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The chip 8259 is a
programmable interrupt controller
programmable peripheral interface
I/O device
memory chip
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A computer memory is an ordered sequence of storage cells.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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