[Type B] Chapter– 1 Class 12 CS – Sumita Arora Assignment | Q/A

Here is class 12 computer science Unit 1 [Type B] solutions for Sumita Arora back exercise assignment. Below includes both textual and video solutions wherever required. View all the answers in assignment for chapter 1 and for all chapters here.

Watch all tutorials for chapter 1: Python Revision Tour – 1.

Q1: Fill in the missing lines of code in the following code. The code reads in a limit amount and a list of prices and prints the largest price that is less than the limit. You can assume that all prices and the limit are positive numbers. When a price 0 is entered the program terminates and prints the largest price that is less than the limit.
chapter 1 Type Q1 Sumita Arora

Solution:

limit = float(input("Enter the limit")) 
max_price = 0 
# Read the next price 
next_price = float(input("Enter a price or 0 to stop:")) 
while next_price > 0: 
    if next_pricemax_price and next_price>max_price:
        max_price =next_price
     #Read the next price 
    next_price = float(input("Enter a price or 0 to stop:"))
if max_price > 0: 
    print('The largest price', max_price)
else :
    print("No! price satisfy the condition")
Q2: Predict the outputs of the following programs:
Chapter 1 Type-B question 2

Solution:

(a)
Hello
Hello
Hello
Hello
Hello
Hello
Hello
Hello
Hello		(b)
10 0
9 1
8 2
7 3
6 4		(c)
100
90
80
70
60
50		(d)
infinite loop
(e)
1
2
3
4
5		(f)
1
2
3
4
5
6
7
8
9		(g)
-500
-400
-300
-200
-100
0
100
200
300
400		(h)
No output
(i)
50		(j)
%
*
* *
* * *
%%
*
* *
* * *
%%%
*
* *
* * *		(k)
L
A
M
P		(l)
o t
n w
e o
(m)
apple
pear
peach
(n)
apple
PEAR
PEACH
grapefruit
Q3: Find and write the output of the following python code:
Chapter 1 Type-B Question 3

Solution:

Jayes
Finished!
Ramya
Finished!
Taruna
Got it!
Q4: How many times will the following for loop execute and what’s the output?
Chapter 1 Type-B Question 4

Solution:

(a) No output
    Reason: In proper range() parameter passed.

(b) output is follow: 
*
*
*
*
*
In total loop execute total 5 times.
Q5: Is the loop in the code below infinite? How do you know (for sure) before you run it?
Chapter 1 Type-B Question 5

Solution:

No, the loop is not infinite and the conclusion is come into account through limit of while loop and terminating case in that.

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