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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 17
41.
In C-language f- = 9 is equivalent to
f = -9
f = f - 9
f = 9 - 1
-f = 9
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Effective address is calculated by adding or subtracting displacement value to
immediate address
Relative address
absolute address
base address
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Typical switching time for ECL is
5 nano seconds
5 micro seconds
5 milli seconds
5 seconds
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
For the K map of the given figure the simplified Boolean expression is
A B + A B
B
A
AB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
For a logic family
VOH is the minimum output high level voltage
  1. VOL is the maximum output low level voltage
  2. VIH is the minimum acceptable input high level voltage
  3. VIL is the maximum acceptable input low level voltage
The correct relationship is
VIH > V0H > VIL > V0L
VOH > VIH > VIL > V0L
VIH > VOH > VOL > VIL
VOH > VIH > VOL > VIL
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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