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12th Computer Science Monthly Test - 1 ( Control Structures )

St. Britto Hr. Sec. School - Madurai

12th Computer Science Monthly Test - 1 ( Control Structures )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Find the odd man out.

keywords
Operator
Identifiers
Programs

Which part of the loop is not executed if a loopis left by break?

if
else
break
for

A loop placed within another loop is called as ____ loop structure.

entry check
exit check
nested
conditional

Which statement in python used to transfer the center from one part of the program to another unconditionally?

Jump
loop
alternative
iterative

To construct a chain of if statement, else cane replaced by

while
ifel
else if
elif

Which amongst this is not a jump statement ?

for
goto
continue
break

The _____ part of while is optional part of while.

if
else
elif
condition

Which of the following function generates the list of values starting from start till stop-1 ?

sequence()
range()
range()
print()

Which of the following is not a nested lopp?

for within while
for within if
while within for
while within while

Which statement transfers the control out of loop even when the loop condition is tested true?

continue
break
pass
goto

Which of the following statement is used as a place holder in python?

continue
break
pass
if

What will be value of s from the following for c in range (1, 5) s = s + c;

15
5
1
10

How many keywords are there to achieve jump statements in python?

2
4
3
5

Find the odd man out.

continue
for
break
pass

Which of the following is not control structures?

Sequential
Branching
Operator
Looping

Part - B

Generic 2 - Answer All Question

Write a program to check whether the given character is a vowel or not.
#Program to check if the accepted number odd or even
a = int(input("Enter any number :"))
if a%2==0:
print (a, " is an even number")
else:
print (a, " is an odd number")

Write the syntax of alternative method to write complete if-else.

Write a program to check if the year is leap year or not.

What is the use of continue statement in python?

What are the values taken by range ()?

Write a program to check if a number is Positive, Negative or zero.

List the control structures in Python.

Write a program to check if the given number is a palindrome or not.

# Program to check the age and print whether eligible for voting
x=int (input("Enter your age :"))
if x>=18:
print ("You are eligible for voting")

Write a python program to find the sum of even numbers between 1 and 10.

Write a program to display sum of natural numbers, upto n.

What is meant by alternative or branching?

Write a program to display Fibonacci series 0 1 1 2 3 4 5........(up to n terms)

What is the expression or statement at ?1? and ?2? in the following program to get the output

2 4 6 8
for?1? in range (2, ?2?, 2):
print (i, end = ")

Write the program to print the following pattern
* * * * *
* * * *
* * *
* *
*

Part - C

Generic 3 - Answer All Question

Write the syntax of working of continue statement in for and while loop.

Why we need to construct the pass statement?

program to illustrate the use of string in range() of for loop
for word in 'Computer':
print (word,end=' ')
else:
print ("\nEnd of the loop")

What will be the range of values displayed by the following?

#program to illustrate the use of for loop - to print single digit even number with else part
for i in range(2,10,2):
print (i,end=' ')
else:
print ("\nEnd of the loop")

Write the syntax of while loop.

Write note on if..else structure.
Using if..else..elif statement write a suitable program to display largest of 3 numbers.

Write a python program to print all numbers from 10 to 15 using while loop.

Examples for range()
range (1,30,1) will start the range of values from 1 and end at 29 range (2,30,2) will start the range of values from 2 and end at 28 range (30,3,-3) - will start the range of values from 30 and end at 6
range (20) will consider this value 20 as the end value(or upper limit) and starts the range count from 0 to 19 (remember always range() will work till stop -1 value only

Write note on if..else structure.

Part - D

Generic 5 - Answer All Question

Write a program in python to display he following output
1
2 2
3 3 3
4 4 4 4 5 5 5 5 5
Program to illustrate the use of pass statement
a=int (input(“Enter any number :”))
if (a==0):
pass
else:
print (“non zero value is accepted”)

Program to illustrate the use of pass statement in for loop
for val in “Computer”:
pass
print (“End of the loop, loop structure will be built in future”)

Write a program in python to display the following output.
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

Write a detail note on if..else..elif statement with suitable example.

Program to illustrate the use of continue statement inside for loop
for word in “Jump Statement”:
if word = = “e”:
continue
print (word, end=”)
print (“\n End of the program”)

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