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Summary CBSE PREVIOUS YEAR BOARD EXAMINATION 2022-23 FOR IP (ANSWER KEY) CLASS 12

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answer key for the board examination 2022-23 available now for question paper for the subject Informatics Practices CBSE

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CBSE AISSCE 2023 Marking Scheme for Informatics Practices
Series ⅀HEFG (Sub Code: 065 Paper Code 90) SET-4



Marking Scheme
Strictly Confidential
(For Internal and Restricted use only)
Senior School Certificate Examination, 2023
SUBJECT NAME INFORMATICS PRACTICES (SUBJECT CODE 65) (PAPER CODE 90) (Series: ⅀HEFG)

General Instructions: -
1 You are aware that evaluation is the most important process in the actual and correct
assessment of the candidates. A small mistake in evaluation may lead to serious problems which
may affect the future of the candidates, education system and teaching profession. To avoid
mistakes, it is requested that before starting evaluation, you must read and understand the spot
evaluation guidelines carefully.
2 “Evaluation policy is a confidential policy as it is related to the confidentiality of the
examinations conducted, Evaluation done and several other aspects. Its’ leakage to the
public in any manner could lead to derailment of the examination system and affect the life
and future of millions of candidates. Sharing this policy/document to anyone, publishing in
any magazine and printing in News Paper/Website etc may invite action under various rules
of the Board and IPC.”
3 Evaluation is to be done as per instructions provided in the Marking Scheme. It should not be
done according to one’s own interpretation or any other consideration. Marking Scheme should
be strictly adhered to and religiously followed. However, while evaluating answers which are
based on latest information or knowledge and/or are innovative, they may be assessed for
their correctness otherwise and due marks be awarded to them. In class-XII, while
evaluating two competency-based questions, please try to understand the given answer and
even if the reply is not from the marking scheme but correct competency is enumerated by
the candidate, due marks should be awarded.
4 The Marking scheme carries only suggested value points for the answers
These are in the nature of Guidelines only and do not constitute the complete answer. The
students can have their own expression and if the expression is correct, the due marks should be
awarded accordingly.
5 The Head-Examiner must go through the first five answer books evaluated by each evaluator on
the first day, to ensure that evaluation has been carried out as per the instructions given in the
Marking Scheme. If there is any variation, the same should be zero after deliberation and
discussion. The remaining answer books meant for evaluation shall be given only after ensuring
that there is no significant variation in the marking of individual evaluators.
6 Evaluators will mark( ✓ ) wherever the answer is correct. For wrong answer CROSS ‘X” be
marked. Evaluators will not put right (✓)while evaluating which gives an impression that the
answer is correct and no marks are awarded. This is the most common mistake which
evaluators are committing.
7 If a question has parts, please award marks on the right-hand side for each part. Marks awarded
for different parts of the question should then be totaled up and written in the left-hand margin
and encircled. This may be followed strictly.
8 If a question does not have any parts, marks must be awarded in the left-hand margin and
encircled. This may also be followed strictly.
9 If a student has attempted an extra question, the answer of the question deserving more marks
should be retained and the other answer scored out with a note “Extra Question”.
10 No marks to be deducted for the cumulative effect of an error. It should be penalized only once.
11 A full scale of marks 0 to 70 has to be used. Please do not hesitate to award full marks if the
answer deserves it.

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, CBSE AISSCE 2023 Marking Scheme for Informatics Practices
Series ⅀HEFG (Sub Code: 065 Paper Code 90) SET-4

12 Every examiner has to necessarily do evaluation work for full working hours i.e., 8 hours every
day and evaluate 20 answer books per day in main subjects and 25 answer books per day in
other subjects (Details are given in Spot Guidelines).
13 Ensure that you do not make the following common types of errors committed by the Examiner
in the past:-
● Leaving the answer or part thereof unassessed in an answer book.
● Giving more marks for an answer than assigned to it.
● Wrong totaling of marks awarded on an answer.
● Wrong transfer of marks from the inside pages of the answer book to the title page.
● Wrong question wise totaling on the title page.
● Wrong totaling of marks of the two columns on the title page.
● Wrong grand total.
● Marks in words and figures not tallying/not same.
● Wrong transfer of marks from the answer book to online award list.
● Answers marked as correct, but marks not awarded. (Ensure that the right tick mark is
correctly and clearly indicated. It should merely be a line. Same is with the X for incorrect
answers.)
● Half or a part of the answer marked correct and the rest as wrong, but no marks awarded.
14 While evaluating the answer books, if the answer is found to be totally incorrect, it should be
marked as cross (X) and awarded zero (0)Marks.
15 Any un-assessed portion, non-carrying over of marks to the title page, or totaling error detected
by the candidate shall damage the prestige of all the personnel engaged in the evaluation work
as also of the Board. Hence, in order to uphold the prestige of all concerned, it is again
reiterated that the instructions be followed meticulously and judiciously.
16 The Examiners should acquaint themselves with the guidelines given in the “Guidelines for spot
Evaluation” before starting the actual evaluation.
17 Every Examiner shall also ensure that all the answers are evaluated, marks carried over to the
title page, correctly totaled and written in figures and words.
18 The candidates are entitled to obtain a photocopy of the Answer Book on request on payment of
the prescribed processing fee. All Examiners/Additional Head Examiners/Head Examiners are
once again reminded that they must ensure that evaluation is carried out strictly as per value
points for each answer as given in the Marking Scheme.


SPECIFIC INSTRUCTIONS FOR INFORMATICS PRACTICES ONLY

1 In Python, string content is accepted within a pair of single quotes ' ' or within a pair of
double quotes " ".

2 In MySQL, CHAR/VARCHAR/DATE type content is accepted within a pair of single quotes ' ' or
within a pair of double quotes " ".

3 In MySQL commands, lowercase/UPPERCASE both are correct.

4 In MySQL output questions, column headings to be ignored.

5 In MySQL output questions, alignment (left/right) of content to be ignored.

6 All answers/codes are suggestive, any other alternative correct answers to be accepted.




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, CBSE AISSCE 2023 Marking Scheme for Informatics Practices
Series ⅀HEFG (Sub Code: 065 Paper Code 90) SET-4

General Instructions:
(i) This question paper contains five Parts, Part A to E.
(ii) All questions are compulsory.
(iii) Part A has 18 questions carrying 1 mark each.
(iv) Part B has 7 Very Short Answer type questions carrying 2 marks each.
(v) Part C has 5 Short Answer type questions carrying 3 marks each.
(vi) Part D has 3 Long Answer type questions carrying 5 marks each.
(vii) Part E has 2 questions carrying 4 marks each. One internal choice is given in Q. 35 against
Part E only.
(viii) All programming questions are to be answered using python language only.

Part - A
1 Which of the following topologies is very efficient and all nodes are connected to a 1
central hub?
(i) Star (ii) Tree
(iii) Bus (iv) Ring

Ans (i) Star
(1 Mark for correct answer)
2 Ramandeep is a young woman with great aspirations and has a good team of 1
like-minded people. She along with her team members started a company to sell
handicrafts online and also designed a logo for their company. What type of
intellectual property does this logo represent?
(i) Patents (ii) Copyright
(iii) Design (iv) Trademark

Ans (ii) Copyright
OR
(iv) Trademark
(1 Mark for correct answer)

3 Which of the following is a type of cybercrime where objectionable and demeaning 1
comments are posted on social media platform about a person, such that he/she is
mentally harassed ?
(i) Phishing (ii) Hacking
(iii) Cyber bullying (iv) Identity Theft

Ans (iii) Cyber bullying
(1 Mark for correct answer)
4 Which of the following is the correct output of the following SQL command? 1
SELECT ROUND (7876.4568, 2) ;
(i) 7876.46 (ii) 7876.45
(iii) 7900 (iv) 7900.4568

Ans (i) 7876.46

(1 Mark for correct answer)




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