CBSE Class XII Computer Science Sample Question Paper

Download Central Board of Secondary Education [CBSE] Class 12th Computer Science Sample Question Paper 2023-24 PDF Free Online

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Download CBSE Class XII Computer Science Sample Question Paper

CBSE Class XII Computer Science Sample Questions

1. State True or False:
“In a Python program, if a break statement is given in a nested loop, it terminates the execution of all loops in one go.”

2. In a table in MYSQL database, an attribute A of datatype varchar(20) has the value “Keshav”. The attribute B of datatype char(20) has value “Meenakshi”. How many characters are occupied by attribute A and attribute B?
a. 20,6
b. 6,20
c. 9,6
d. 6,9

3. What will be the output of the following statement: print(3-2**2**3+99/11)
a. 244
b. 244.0
c. -244.0
d. Error

4. Select the correct output of the code:
Options:
a. PYTHON-IS-Fun
b. PYTHON-is-Fun
c. Python-is-fun
d. PYTHON-Is -Fun

5. In MYSQL database, if a table, Alpha has degree 5 and cardinality 3, and another table, Beta has degree 3 and cardinality 5, what will be the degree and cardinality of the Cartesian product of Alpha and Beta?
a. 5,3
b. 8,15
c. 3,5
d. 15,8

6. Riya wants to transfer pictures from her mobile phone to her laptop. She uses Bluetooth Technology to connect two devices. Which type of network will be formed in this case?
a. PAN
b. LAN
c. MAN
d. WAN

7. Which of the following will delete key-value pair for key = “Red” from a dictionary D1?
a. delete D1(“Red”)
b. del D1[“Red”]
c. del.D1[“Red”]
d. D1.del[“Red”]

8. Consider the statements given below and then choose the correct output from the given options:
pride=”#G20 Presidency”
print(pride[-2:2:-2])

Options:
a. ndsr
b. ceieP0
c. ceieP
d. yndsr

9. Which of the following statement(s) would give an error during execution of the following code?
tup = (20,30,40,50,80,79)
print(tup) #Statement 1
print(tup[3]+50) #Statement 2
print(max(tup)) #Statement 3
tup[4]=80 #Statement 4

Options:
a. Statement 1
b. Statement 2
c. Statement 3
d. Statement 4

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