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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 17
6.
Which of the following correctly declares a pointer to an array of intergers in C?
int * P [20]
int * P
int (* P) [20]
int * (P [20])
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
With 2's complement representation, the range of values that can be represented on the data bus of an 8 bit microprocessor is given by
-128 to 127
-128 to +128
-127 to 128
-256 to 256
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
In a modem digital computer, a subtractor in normally not used because
subtractors are very expensive
the design of a subtractor is very complex
the adder is geared for doing subtraction
most of the programs do not require subtraction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
In which one of the following types of analog to digital convertors the conversion time is practically independent of the amplitude of the analog signal?
The dual slope integrating type
Successive approximation type
Counter ramp type
Tracking type
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
In 8085 microprocessor, which of the following is not vectored interrupt?
RST 5.5
RST 6.5
RST 7.5
INTR
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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