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Students can access CBSE Class 12 Computer Science answer key 2024 here and evaluate their tentative marks in the April 2 exam. The answer key is provided for all question paper sets along with exam analysis.
CBSE Class 12 Computer Science Answer Key 2024: Exam Analysis, Question Paper Solutions (Image Credit: Pexels)CBSE Class 12 Computer Science Answer Key 2024: Candidates can check the exam analysis and question paper solutions now that CBSE Class 12 Computer Science 2024 examination has concluded. It was held today, April 2, from 10:30 AM to 1:30 PM. CBSE 12th Computer Science answer key is provided for all the 18 MCQ questions of Section A. The exam analysis briefly discusses on the difficulty level of each section in the question paper, the expected number of good attempts, and other factors.
Also Read | CBSE Class 12 Result Expected Release Date 2024
CBSE Class 12 Computer Science Answer Key 2024
The answers to all objective questions from Section A are provided here in tabular format.
Section A: Multiple-Choice Questions
| Question Number | Answers |
|---|---|
| 1. State True or False: While defining a function in Python, the positional parameters in the function header must always be written after the default parameters. | False |
| 2. The SELECT statement when combined with __________ clause, returns records without repetition. | (a) DISTINCT |
| 3. What will be the output of the following statement; print (16*5/4*2/5-8) | (a) -3.33 |
| 4. What possible outpüt from the given options is expected to be displayed when the following Python code is executed? import random Signal = ['RED', 'YELLOW', 'GREEN'] for K in range (2, 0, -1) : R = random.randrange (K) print (Signal (R), end = '#') | (a) YELLOW # RED # |
| 5. In SQL, the aggregate function which will display the cardinality of the table is _________. | (b) count(*) |
| 6. Which protocol out of the following is used to send and receive emails over a computer network? | (d) SMTP |
| 7. Identify the invalid Python statement from the following: | (d) g = dict { } |
| 8. Consider the statements given below and then choose the correct output from the given options: myStr="MISSISSIPPI" print(myStr[4]+"#"+myStr[-5:]) | (b) MISS#SIPPI |
| 9. Identify the statement from the following which will raise an error: | (d) print("15" + 3) |
| 10. Select the correct output of the following code: event="G20 Presidency@2023" L-event.split('') print(L[::-2]) | (b) ['Presidency@2023'] |
| 11. Which of the following options is the correct unit of measurement for network bandwidth? | (B) Bit |
| 12. Observe the given Python code carefully : a=20 def convert(a): b=20 a=a+b convert(10) print(a) Select the correct output from the given options : | (c) 30 |
| 13. State whether the following statement is True or False: While handling exceptions in Python, name of the exception has to be compulsorily added with except clause. | True |
| 14. Which of the following is not a DDL command in SQL? | (c) UPDATE |
| 15. Fill in the blank: ___________ is a set of rules that needs to be followed by the communicating parties in order to have a successful and reliable data communication over a network. | Protocol |
| 16. Consider the following Python statement: F=open('CONTENT.TXT') Which of the following is an invalid statement in Python? | (c) F.seek (0, -1) |
| 17. Assertion (A) : CSV file is a human readable text file where each line has a number of fields, separated by comma or some other delimiter. Reason (R) : writerow () method is used to write a single row in a CSV file. | (a) Both (A) and (R) are true and (R) is the correct explanation for (A). |
| 18. Assertion (A): The expression "HELLO".sort() in Python will give an error. Reason (R) : sort() does not exist as a method/function for strings in Python. | (a) Both (A) and (R) are true and (R) is the correct explanation for (A). |
CBSE 12th Computer Science Exam Analysis 2024
Find the complete CBSE 12th Computer Science exam analysis 2024 in the following table.
| Parameters | CBSE 12th Computer Science Exam Analysis 2024 |
|---|---|
| Overall difficulty level of the paper | Moderate |
| Difficulty level of Section A | Moderate |
| Difficulty level of Section B | Easy to Moderate |
| Difficulty level of Section C | Moderate |
| Difficulty level of Section D | Moderate to Tough |
| Difficulty level of Section E | Moderate to Tough |
| Overall expected good score | 60+ marks |
| Was the overall paper time-consuming? | Yes |
| Which section was the lengthiest? | Section E |
CBSE Class 12 Answer Key 2024 Links |
The question papers for the respective day-wise exams are available at the links below:
