CBSE Class 12 Computer Science Boards 2021 Sample Paper Solved

Part-A Marks allocated Section-I Select the most appropriate option out of the options given for each question. Attempt any 15 questions from question no 1 to 21.   1 Find the invalid identifier from the following   a) MyName   b) True   c) 2ndName   d) My_Name   2 Given the…

CBSE Class 12 Computer Science Old Compartment Question Paper Solved 2020

SECTION A [Only for candidates, who opted for C++] 1. (a) Identify the valid keywords in C++ from the following : (i) If (ii) for (iii) case (iv) Object (v) struct (vi) sub (vii) float (viii) My_class (b) Write the names of the correct header files, which must be included in…

CBSE Class 12 Computer Science Compartment Question Paper Solved 2020

SECTION A 1. (a) Which of the following is not a valid variable name in Python ? Justify reason for it not being a valid name.   (i) 5Radius   (ii) Radius_   (iii) _Radius   (iv) Radius   (b) Which of the following are keywords in Python ?   (i) break   (ii) check   (iii)…

CBSE Class 12 Computer Science Classes and Objects In Java MCQs Set B

  Question: Variable of class type are also referred to as________variables. a) Orientation b) Position c) Reference d) Indication Answer: Reference   Question: Using________keyword, an object can be created. a) Int b) Float c) New d) Real Answer: New…

CBSE Class 12 Computer Science Classes and Objects In Java MCQs Set A

Question: An_______is a variable representing a collection of homogeneous type of elements. a) Arrangement b) Array c) Assortment d) Group Answer: Array   Question: ________are useful to represent vector, matrix and other multi-dimensional data. a) Arrangements…

CBSE Class 12 Computer Science File System MCQs Set B

Question: R command for accessing on line help is a) On-line help() b) Assist() c) Help() d) Help.start() Answer: Help()   Question: R command for viewing some demonstration! is________ a) Rdemo() b) Sample() c) Example() d) Demo() Answer: Demo()  …

CBSE Class 12 Computer Science File System MCQs Set A

Question: A modern_______system has lakhs of files on them. a) School b) Computer c) CPU d) Workstation Answer: Computer   Question: Often one needs to transfer a large number of the files or an entire directory_______to another computer or storage device. a)…

CBSE Class 12 Computer Science Publishing Documents Using Latex MCQs Set B

Question: The 7_______next inside one another and have an integer level assigned to them, with part having a level of 1, chapter a level of 0, section a level of 1 and so on. a) Lists b) Details c) Contents d) Elements Answer: Elements   Question: The parts,…

CBSE Class 12 Computer Science Publishing Documents Using Latex MCQs Set A

  Question: To use______there is a requirement of LaTeX distribution (software). a) TeX b) SciTE c) LaTeX d) Ubuntu Answer: LaTeX   Question: Most LaTeX distribution software includes_______and some additional software in them. a) TeX b) SciTE c) LaTeX d…

CBSE Class 12 Computer Science File Handling MCQs Set B

Question: Character Stream classes are present in java.io package deal with the_______/ text data. a) Byte b) Character c) Both (A) and (B) d) None of these Answer: Character   Question: ________stream classes present in java.io package deal with binary data. a)…

CBSE Class 12 Computer Science File Handling MCQs Set A

Question: Storage devices of a computer can be broadly classified into_______categories. a) One b) Two c) Three d) Four Answer: Two   Question: _______storage is temporary. a) Volatile b) Non-volatile c) Movable d) Immovable Answer: Volatile   Question…

CBSE Class 12 Computer Science Exception Handling In Java MCQs

  Question: It is usually understood that a compiled program is error free and will always______successfully. a) Complete b) Execute c) Perform d) Accomplish Answer: Execute   Question: In few cases a compiled program can_______while it its executing. a)…

CBSE Class 12 Computer Science Object Oriented Concepts MCQs

  Question: In Object-oriented methodology, the focus is on which of the following entities ? a) Data b) Functions c) Objects d) All of the above Answer: Objects   Question: Which of the following best suits to Java ? a) A procedural programming language b…

CBSE Class 12 Computer Science Introduction To M Commerce MCQs Set B

  Question: The transmissions in the process of online purchase occur on the public network, called the_____ a) Server b) Internet c) Website d) Desktop PC Answer: Internet   Question: A______can steal or tamper information anywhere in the world via his…

CBSE Class 12 Computer Science Introduction To M Commerce MCQs Set A

Question: Which of the following refers to buying and selling of goods or service through the use of Internet enabled wireless devices ? a) Internet b) M-Commerce c) M-banking d) WWW Answer: M-Commerce   Question: Which of the following is the use of technologies…