CBSE Class 11 CS (Computer Science) Question Paper 2023-24 PDF download
Here you can see all of CBSE Class 11 CS (Computer Science) Question Paper 2023-24 PDF download.
Term-1 Examination
COMPUTER SCIENCE (083)
Total Marks: 50 Class-XI-A(Set-2) Duration: 2 Hrs
General Instructions:
General Instructions:
- Please check this question paper which contains 23 questions.
- The paper is divided into 4 Sections- A, B, C, D and E.
- Section A, consists of 14 questions (1 to 14). Each question carries 1 Mark.
- Section B, consists of 3 questions (15 to 17). Each question carries 2 Marks.
- Section C, consists of 4 questions (18 to 21). Each question carries 3 Marks.
- Section D, consists of 2 questions (22 to 23). Each question carries 4 Marks.
- Section E, consists of 2 questions (23 to 25). Each question carries 5 Marks.
- All programming questions are to be answered using Python Language only.
- Before writing the output of the program, correct all types of the errors and rewrite the program.
| QNo | Questions | Marks |
| SECTION-A | ||
| 01 | State True or False:Main memory holds the data and instructions being processed by the computer and is directly not accessible by the CPU. a) True b) False |
1 |
| 02 | Backup utility is an example of a) Application Software b) System Software c) Utility Software d) None of these | 1 |
| 03 | Which of the following does interrupt the running process?Timer interrupt b) Device c) Power failure d) Scheduler process | 1 |
| 04 | The binary equivalent of the octal numbers 10.54 is______________a) 1000.1011 b) 1001.1110 c) 1101.1110 d) None of these | 1 |
| 05 | According to the DeMorgan Laws, the complement of a product of variables is equal to a) The complement of the sum b) The sum of the complements c) The product of the complement d) None of these | 1 |
| 06 | The ASCII code is a 7 bit code for_______________letters b) numbers c) other symbols d) all of the above | 1 |
| 07 | Which of the following statements will make a jump construct?if b) if-else c) for d) break | |
| 08 | Which function will accepts the integer number as an input from the user along with the input()int( ) b) INT( ) c) Int( ) d) Float( ) | 1 |
| 09 | Which operator has lowest precedence in the operators hierarchies? ! b) % c) != d) == | 1 |
| 10 | What will be the output of the following code snippet?print(2**3 + (15 + 6)**(1 + 1))449 b) 8 c) 121 d) None of the above | 1 |
| 11 | The function range(0,10,3) will yield an iterable sequence like[0,2,4] b) [1,3,5] c) [0,1,2,5] d) [0,3,6,9] | 1 |
| 12 | In python Identifiers are written in Lowercase b) Uppercase c) Sentence case d) None of the above | 1 |
| 13 | Assertion(A): break is a identifierReasoning(R): When we are using a break statement in the body of the looping construct it will terminate the flow of execution of the loop.Both the statement are trueStatement one is true and statement two is falseStatement 1 and 2 both are falseStatement 1 is false and statement 2 is true. | 1 |
| 14 | Assertion(A): Python is a high level programming language.Reasoning(R): In python instructions using general english.Both the statement are trueStatement one is true and statement two is falseStatement 1 and 2 both are falseStatement 1 is false and statement 2 is true. | 1 |
| SECTION-B | ||
| 15 | What is primary memory? Why is RAM called volatile memory? | 2 |
| 16 | Write the equivalent Boolean expression for the following Logic circuit. |
2 |
| 17 | Cdt. Ganesh has written a code to input a number and check whether it is even or odd. His code is having errors. Rewrite the correct code and underline the corrections made and write the output. x = input(“Enter a number”) if x % 2 =0: print (x, “is even”) elseif x<0: print (x, should be positive) else; print (x, “is odd”) | 2 |
| SECTION-C | ||
| 18 | Convert the following numbers as follows:(a). (1010111100.011)2 to (?)10 (b). (FE1A)16 to (?)10 (c). (10010011111001)2 to (?)8 | 3 |
| 19 | Why are algorithms important in problem solving? Write a flowchart to demonstrate the working mechanism of elif ladder statements. | 3 |
| 20 | Predict the output of the following code after removing errors. a,b,c=14,9.4,2a-=bprint(a,b)a*=2+cprint(a)b+=a*cprint(b) | 3 |
| 21 | What is the output when the input value is 10 and 2.(Remove all the errors and write the output)N=int(input(“Enter N”))i=1sum=0while i<N: if i%2==0: sum=sum+i i=i+1print(sum) | 3 |
| SECTION-D | ||
| 22 | Predict the output of the following snippet after removing all types of errors.for i in range(4): for j in range(5): if i+1==j or j+i==4: print(“+”,end=” “) break else: print(“o”,end=” “) print() | 4 |
| 23 | Given the three numbers A,B,C, write a program to write their values in a descending order. For example if A=12, B=10 and C=15 your program should print out:Highest =15next high level=12smallest=10 | 4 |
| SECTION-E | ||
| 24 | Write a program to find the grade of a cadets when grades are allocated as given in the table below: Percentage of marksGradeMarks> 90 and <=100AMarks> 80 and <=90BMarks> 70 and <=80CMarks> 60 and <=70DMarks<=60E |
5 |
| 25 | Predict the output of the following program after removing errors if any |
5 |
| END | ||
