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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 9
21.
Consider the following ON GO TO statement in Basic

45 ON C GO TO 10, 20, 30

If the values of C are 1, 2, 3, 2.6 the control will be transferred to statement number
10, 20, 30, 20 respectively
10, 20, 20, 30 respectively
20, 30, 20, 10 respectively
10, 30, 20, 20 respectively
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Consider the following about 'return' statement in C
  1. On executing the return statement, it immediately transfers the control back to the calling program.
  2. There is no restriction on the number of 'return' statements present in a function.
  3. The 'return' statement must be present at the end of called function.
Which of the above are correct?
All
1 and 2 only
1 and 3 only
2 and 3 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
For an accurate clock period in 8085 it is preferable to use
Crystal
Crystal or LC resonant circuit
Crystal or RC circuit
LC or RC circuit
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The memory hierarchy in microprocessor based system is
register, cache, primary, mass, off line back up
cache, register, primary, mass, off line back up
cache, register, mass, primary, off line back up
register, cache, mass, primary, off line back up
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
When a peripheral device is not ready for data transfer it will send to the microprocessor a
low READY bit
high READY bit
low or high READY bit depending on whether input or output is activated
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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