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Observe the following Python code?<br><pre><code class="python">def a(n): if n == 0: return 0 else: return n*a(n - 1)def b(n, tot): if n == 0: return tot else: return b(n-2, tot-2)</code></pre>
A
Both a() and b() aren't tail recursive
B
Both a() and b() are tail recursive
C
b() is tail recursive but a() isn't
D
a() is tail recursive but b() isn't
Correct Answer:
b() is tail recursive but a() isn't
The sum function will return a NaN if any of the element in the input vector is NaN.
A
True
B
False
Fill in the line of the following Python code for calculating the factorial of a number.
def fact(num): if num == 0: return 1 else: return _____________________
A
num*fact(num-1)
B
(num-1)*(num-2)
C
num*(num-1)
D
fact(num)*fact(num-1)
Consider the following propositions:
1. A Muslim woman, on her husband's death, need not follow Iddat if her marriage is valid but not consummated.
2. A Muslim woman, on divorce, need not follow Iddat if her marriage is valid but not consummated.
3. A Muslim woman, on divorce, has to observe Iddat if her marriage is irregular but consummated.
4. A Muslim woman, whose marriage is void but consummated, has to observe Iddat till delivery if she is carrying the child in her womb in case of her husband's death.
Choose the correct option from below:
A
2 and 3 are correct
B
Only 4 is correct
C
Only 2 is correct
D
1 and 4 are correct
If we mutate the DNA ligase and observe the length of the replicated strands in different time slots after replication initiation, what will we observe?
A
The DNA will gradually increase in length till it is fully replicated
B
Small fragments of DNA will be obtained increasing in number with time
C
Mixture of small and long Fragments of definite length from the start whose concentration simply increases with time
D
At first small fragment, then two separate bands showing long fragment with increasing length and short fragments of definite length.
In an experiment you mutate the consensus sequence at the -10 box. You observe the rate of transcription reduces. Now you make complementary mutation to the sigma factor. What will you observe?
A
Further decrease in transcription rate
B
Increase in transcription rate
C
Original transcription rate
D
Increase in rate of random transcription
In python we do not specify types, it is directly interpreted by the compiler, so consider the following operation to be performed.
objective is to make sure x has a integer value, select all that apply (python 3.xx)
>>>x = 13 ? 2
A
x = 13 // 2
B
x = int(13 / 2)
C
x = 13 % 2
D
All of the mentioned
In a renowned software development company of 240 computer programmers 102 employees are proficient in Java, 86 in C#, 126 in Python, 41 in C# and Java, 37 in Java and Python, 23 in C# and Python, and just 10 programmers are proficient in all three languages. How many computer programmers are there those are not proficient in any of these three languages?
A
138
B
17
C
65
D
49
A 5-bit asynchronous binary counter is made up of five flip-flops, each with a 12 ns propagation delay. The total propagation delay (tp(tot)) is ________
A
12 ms
B
24 ns
C
48 ns
D
60 ns
The ToT phenomenon indicates
A
Tip of the tongue phenomenon
B
Tip of the toe phenomenon
C
Tip of the tail phenomenon
D
None of the above
Isomerisation converts the __________ tot-paraffins.
A
Paraffins
B
Olefins
C
Naphthenes
D
None of these