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Class - 12 CBSE Computer Science Important Output Questions 2025

  • Python String Manipulation

    What will be the output produced by following code fragments?

    x = "hello world"
    print (x[:2], x[:-2], x[-2:])
    print (x[6], x[2:4])
    print (x[2:-3], x[-4:-2])
    
    View Answer

    31 Likes


  • Python List Manipulation

    Predict the output of the following code snippet ?

    a = [1, 2, 3, 4, 5] 
    print(a[3:0:-1]) 
    

  • Python List Manipulation

    Predict the output of the following code snippet?

    arr = [1, 2, 3, 4, 5, 6]
    for i in range(1, 6):
        arr[i - 1] = arr[i]
    for i in range(0, 6):
        print(arr[i], end = "")
    
    View Answer

    11 Likes


  • Python List Manipulation

    Predict the output of the following code snippet ?

    Numbers = [9, 18, 27, 36]
    for Num in Numbers :
        for N in range(1, Num % 8) : 
            print(N, "#", end=" ") 
        print( )
    
    View Answer

    12 Likes


  • Python Tuples

    What would be the output of following code if

    ntpl = ("Hello", "Nita", "How's", "life?")
    (a, b, c, d) = ntpl
    print ("a is:", a)
    print ("b is:", b)
    print ("c is:", c)
    print ("d is:", d)
    ntpl = (a, b, c, d)
    print(ntpl[0][0]+ntpl[1][1], ntpl[1])
    

  • Python Tuples

    Predict the output.

    tuple_a = 'a', 'b'  
    tuple_b = ('a',  'b')  
    print (tuple_a == tuple_b)  
    
    View Answer

    12 Likes


  • Python Dictionaries

    What will be the output of the following code snippet ?

    rec = {"Name" : "Python", "Age" : "20", "Addr" : "NJ", "Country" : "USA"}
    id1 = id(rec)
    del rec
    rec = {"Name" : "Python", "Age" : "20", "Addr" : "NJ", "Country" : "USA"}
    id2 = id(rec)
    print(id1 == id2)
    
    1. True
    2. False
    3. 1
    4. Exception

  • Python Dictionaries

    Write the output of the code given below :

    my_dict = {"name" : "Aman", "age" : 26} 
    my_dict['age'] = 27
    my_dict['address'] = "Delhi"
    print(my_dict.items())
    

  • Python Dictionaries

    What will be the output of the following code snippet ?

    my_dict = {}  
    my_dict[(1,2,4)] = 8
    my_dict[(4,2,1)] = 10
    my_dict[(1,2)] = 12
    sum = 0
    for k in my_dict:
        sum += my_dict[k]
    print(sum)
    print(my_dict)
    

  • Python String Manipulation

    What will be the output of the following code snippet ?

    message = "World Peace"
    print(message[-2::-2])
    
    View Answer

    14 Likes


Showing 31 - 40 of 98 Questions