CBSE Class 12 Computer Science Question Paper 2014 (Set 91/1 (Delhi))

CBSE CLASS XII Questions

• 1.

  Peter has created a table named Account in MySQL database, SCHOOL, having following structure:

  Stud_id – integer
  Sname – string
  Class – string
  Fees – float

  Help him in writing a Python program to display records of those students whose fees is less than 5000.

  Note the following to establish connectivity between Python and MySQL: Username – admin, Password – root, Host – localhost

  View Solution

  ---

• 2.

  List one advantage and one disadvantage of Bus topology.

  View Solution

  ---

• 3.

  Write the output of the following code:

  def Exam2026(given) :
      new=[]
      for ch in given[1:-1]:
          if ch.isupper():
              new.reverse()
          elif ch not in new:
              new.append(ch)
          elif ch in new:
              new.pop()
      print(new)
  Exam2026("Gold-24Medals")

  View Solution

  ---

• 4.

  Abhishek has created a table, named STOCK, with a set of records to maintain the data of packaged milk in his shop. After creating the table, he entered the data and the table looked as follows:

  Code	Type	Volume	Qty	Price
  AF0.5	F	0.5	300	38.00
  MF0.5	F	0.5	250	36.50
  MT1.0	T	1.0	150	64.00
  AT1.0	T	1.0	100	66.00
  PD1.0	D	1.0	50	52.00
  PT0.5	T	0.5	78	30.00

  ---

• 5.

  Assuming that D1 is a dictionary in Python,

  ---

• 6.

  Write the output of the following code:

  def Exam2026(given):
      new = 0
      while given:
          if new % 2:
              new += given % 10
          else:
              new += given % 5
          print(new, end='-')
          given //= 10
  Exam2026(123456)

  View Solution