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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 22
36.
K maps can be drawn
only for 2 variables
only for 3 variables
only for 4 variables
for any number of variables
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
When a TTL is driving an CMOS gates it is necessary to ensure that
VOL(for TTL) ≤ VIL (for CMOS) and V0H (for TTL) ≥ VIH (for CMOS)
V0L (for TTL) ≥ VIL (for CMOS)
V0H (for TTL) ≤ VIH (for CMOS)
V0L (for TTL) ≥ VIL (for CMOS) and V0H (for TTL) ≤ VIH (for CMOS)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Which of the following statement is correct?
Decimal 9 is represented as 1011 in Excess-3 code
Decimal 9 is represented as 1001 is BCD code
Decimal 10 is represented as 1100 is Gray code
Decimal 10 is represented as 1001 in binary code
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
For emitter-couple logic, the switching speed is very high because
negative logic is used
the transistors are not saturated when conducting
emitter-coupled transistors are used
multi-emitter transistors are used
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Subroutines are used in larger programs not
to increase the programming case
to reduce storage equipment
to reduce program extension time
for ease of program testing at the program development time
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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