Mock Exam

Q1) When was the term “Artificial Intelligence” first coined?

Q2) Which type of Artificial Intelligence has capabilities comparable to humans?

Q3) AI is NOT useful in which one of the following cases?

Q4) Which database model organizes data in rows and columns?

Q5) Which SQL command removes all rows from a table without logging the individual deletions?

Q6) Consider the following tables A and B.

Table A

Id   Name   Age

—————-

12   Arun   60

15   Shreya 24

99   Arvind 11

Table B

Id   Name   Age

—————-

15   Shreya 24

25   Hari   40

98   Ashoka 20

99   Ramesh 11

How many tuples will the result of the following SQL query contain?

SELECT A.Id

FROM A

WHERE A.Age > ALL (SELECT B.Age

                   FROM B

                   WHERE B.Name = “Arun”)

Q7) Which is NOT an effective use of machine learning?

Q8) Which programming language used in machine learning is fast and powerful but difficult to learn?

Q9) Which is an example of an Unsupervised Learning algorithm?

Q10) What best describes an array?

Q11). What will be the order when elements are removed one-by-one from a stack containing elements A, B, C, and D in sequence?

Q12) When does a normal queue implemented using an array of size MAX_SIZE get full?

Q13) Which data structure makes use of a key-value pair that you can use for fast look-ups of data?

Q14) George pushed seven elements A, B, C, D, E, F, and G onto a stack in reverse order, starting from G. He then performed the pop operation on the stack and inserted it into a queue. After repeating the pop and the insertion operations five times, he deleted two elements from the queue and pushed these back onto the stack.

Now, what will be the popped element if George performs the pop operation on the stack?

Q15) Consider the following pop and push operations performed on a stack, and select the correct sequence of the resulting elements.

push(5)

push(8)

pop

push(2)

push(5)

pop

pop

pop

push(1)

pop

Q16) What will be the output of the following partial code implementation of a queue?

    q = Queue()

    q.EnQueue(10)

1. EnQueue(20)

    q.DeQueue()

    q.DeQueue()

    q.EnQueue(30)

    q.EnQueue(40)

    q.EnQueue(50)

    print (“Dequeued item is ” + q.DeQueue())

Q17) What will the following function do?

int Trial (int a, int b, int c)

{

    if ((a >= b) && (c < b) return b;

    else if (a>=b) return Trial(a, c, b);

    else return Trial(b, a, c);

}

Q18) Consider the following statements and select the appropriate option.

       Statement 1: Any program is an algorithm.

       Statement 2: Any algorithm is a program.

Q19) Which entity does represent an algorithm?

Q20) What type of algorithm is a Depth First Search (DFS) algorithm?

Q21) What is the output of the following program?

1. def Foo(x):
2. if (x==1):
3. return 1
4. else:
5. return x+Foo(x-1)
6.  
7. print(Foo(4))

Q22) What is the output of the following code?

1. if None:
2. print(“Hello”)

Q23) What will be the output of print tuple[0] if tuple = (‘abcd’, 786, 2.23, ‘john’, 70.2)?

Q24) What is the output of the following program?

x = True

y = False

z = False

if x or y and z:

    print(“yes”)

else:

    print(“no”)

Q25) What is the mean of the median and the mode of the following number set: 60, 39, 24, 39, 30, 49, 52, 55, 39, 55, 61?

Q26) The number of emergency cases in a hospital for five days are 12, 15, 18, 16, and 14. What is the sample variance of emergency cases?

Q27) What is the mode of a list consisting of distinct numbers?

Q28) What measure provides an output of 2 for a set of numbers 1, 2, 3, 4, and 5?

Q29) What is the standard deviation of the numbers 10, 15, 20, 25, and 30?

Q30) What is the interquartile range for the following data set: 62, 65, 68, 70, 72, 74, 76, 78, 80, 82, 96, and 101?

Q31) What is the recommended color scheme for data that consists of positive and negative values or highlights deviation from a central value?

Q32) What format does data visualization use to present data?

Q33) Which is NOT an effective principle of data visualization?

Q34) Which infographic best depicts the binary results of a survey questionnaire?

Q35) Which infographic is a type of a donut plot?

Q36) Which data visualization type takes a longer time to read and understand?

Q37) What infographic is ideal for comparing the parts to a whole?

Q38) A line graph displays trends over time. Which axis depicts time?

Q39) Which type of the Tableau Suite product is available for free?

Q40) Which tool will you use to implement a variety of map-types like choropleths, heat maps, and dot-density maps?