Computer Science Sample Paper Class 11 2021-22 Term 1

Computer Science Sample Paper Class 11 2021-22 Term 1

Class-XI

Time: 1.30 hour/M.M.-35

Note: There are 40 questions given below. Attempt any 35 questions. Each question carries one mark.

1. What is information?

a) Processed Data

b) Collection of a Program

c) Raw Data

d) Collection of Instructions

 

2. Full form of IPO

a) Input Process Output

b) Input Print Output

c) Internet Print Output

d) Internet process Output

 

3. When we work on any document on PC, it is stored temporarily in______ memory.

a) RAM

b) ROM

c) CPU

d) CD-ROM

 

4. Smallest measurement unit of computer memory is?

a) Megabyte

b) Bit

c) Byte

d) Nibble

 

5. Full form of USB

a) Uniform Service Bus

b) Universal Serial Bus

c) Universal Sector Buffer

d) Universe Service Bus

 

6. Which of the following is designed to control the operations of a computer?

a) Application Software

b) System Software

c) Utility Software

d) User

 

7. What do you call a program in execution?

a) Command

b) Process

c) Task

d) Instruction

 

8. Which of the following is a single-user operating system?

a) Windows

b) MAC

c) Ms-Dos

d) None of these

 

9. What is Microsoft window?

a) Operating system

b) Graphics program

c) Word Processing

d) Database program

 

10. Which of the following is system software?

a) Operating system

b) Compiler

c) Utilities

d) All the above

 

11. What is the output of this expression, 3*1**3?

a) 27

b) 9

c) 3

d)  1

 

12. F = [ 4, 8, 9, 2.6, 5 ] is a type of which data type in python?

a) List

b) Tuple

c) Set

d) None of these

 

13. The expression of a NAND gate is_______

a) A.B

b) A’B+AB’

c) (A.B)’

d) (A+B)’

 

14. The symbol + in Boolean is also known as the ____________ operator.

a) AND

b) OR

c) EXOR

d) NOR

 

15. Boolean algebra is define as a set of ______________

a) One value

b) Two value

c) Three value

d) Four value

 

16. Name the number system which uses alphabets as well as numerical.

a) Binary number system

b) octal number system

c) Decimal number system

d) Hexadecimal number system

 

17. Which one of the following is a valid Python if statement :

a) if a>=2 :

b) if (a >= 2)

c) if (a => 22)

d) if a >= 22

 

18. Which of following is not a decision-making statement?

a) if-elif statement

b) for statement

c) if -else statement

d) if statement 

 

19. Predict the output of the following code:

x=3

if x>2 or x<5 and x==6:

              print(“ok”)

else:

             print(“no output”)

a) ok

b) okok 

c) no output

d) none of above

 

20. Predict the output of the following code:

x,y=2,4

if(x+y= =10):

           print(“true”)

else:

           print(“false”)

a) true

b) false

c) no output

d) none

 

21. Which of the following is an invalid identifier in Python

a) H_e_wel_123

b) Assert             

c)  _ 

d) in

 

22. Which of the following is an invalid keyword in Python

a) eval

b) Assert

c) nonlocal

d) import

 

23. Which of the following is invalid statement in Python

a) _hello_=25

b) __he_123=25

c) _m=25

d) None of the mentioned

 

24. Evaluate the following expression : 3+4*2%8+12//6-2%9**2**1

a) 11

b) 3

c) 17

d) 1

 

25. Which of the following is a valid membership operator in Python

a) and

b) or

c) in

d) like

 

26. Write the output of the following code segment :

for i in range(-1,-6,-5):

       print(i*i)

a) 1

b) 1 2

c) Error

d) Infinite loop

 

27. Give output:

for a in range(1,5):

       print(“a”, end=” “)

a) 1 2 3 4

b) 1 2 3 4 5

c) a a a a

d) a a a a a

 

28. Give output:

for i in range(2,7,2):

        print(i * ‘2’)

a) 222222222222

b) 2222222222

c) 22222222222222

d) 2222222222222222

 

29. Give output:

print(“My” *3 + “life” +’7′)

a) MyMyMylifelifelifelifelife

b) MyMyMylifelifelifelifelifelifelife

c) MyMyMyMyMyMyMylifelifelife

d) MyMyMylife7

 

30. Give output:

print(“Super”+’Dad’ * 2)

a) SuperDad2

b) SuperSuperDad

c) SuperDadDad

d) Error

 

31. Give output:

print(“Mahatma”[3:])

a) Maha

b) Mah

c) atma

d) ATMA

 

32. Identify the gate:

a) AND

b) NAND

c) XOR

d) XNOR

 

33. Identify the gate:

a) OR

b) NOR

c) XOR

d) XNOR

 

34. Identify the result generated :

a) NOR GATE

b) NAND GATE

c) AND GATE

d) NOT GATE

 

35. Identify the value of F3:

a) x y x + x’ + y’ + z’

b) xy’ + x’z’

c) x’y’ + x’z’

d)  xy’ + x’z

 

36. Which of the following number system is known as base-10 system?

a) Binary Number System

b) Hexadecimal Number System

c) Octal Number System

d) Decimal Number System

 

37. Which of the following is not an example/s of binary numbers?

a) 010101

b) 11100.01

c) 111001

d) None of the above

 

38. Which of the following is not an example of Hexadecimal number?

a) 1C2

b) 67GA

c) 1

d) None

 

39. bit binary code for binary number 15 is ___________

a) 1110

b) 1111

c) 1100

d) 1101

 

40. Octal equivalent of decimal number 1128 is __________

a) 1250

b) 2150  

c) 2110

d)2250

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