{"id":15377,"date":"2019-12-27T11:21:04","date_gmt":"2019-12-27T05:51:04","guid":{"rendered":"https:\/\/kseebsolutions.guru\/?p=15377"},"modified":"2021-07-02T15:34:57","modified_gmt":"2021-07-02T10:04:57","slug":"2nd-puc-computer-science-previous-year-question-paper-march-2015","status":"publish","type":"post","link":"https:\/\/kseebsolutions.guru\/2nd-puc-computer-science-previous-year-question-paper-march-2015\/","title":{"rendered":"2nd PUC Computer Science Previous Year Question Paper March 2015"},"content":{"rendered":"

Students can Download 2nd PUC Computer Science Previous Year Question Paper March 2015, Karnataka 2nd PUC Computer Science Model Question Papers with Answers<\/a> helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.<\/p>\n

Karnataka 2nd PUC Computer Science Previous Year Question Paper March 2015<\/h2>\n

Time: 3 Hrs 15 Min
\nMax. Marks: 100<\/p>\n

PART – A<\/p>\n

Answer all the following questions. Each question carries one mark. (10 \u00d7 1 = 10)<\/span><\/p>\n

Question 1.
\nWhat is data bus?
\nAnswer:
\nA set of wire connected between the control unit and other units like memory, Input\/Output device.<\/p>\n

Question 2.
\nWhich basic gate is also called as inverter?
\nAnswer:
\nThe NOT gate is named as Inverter.<\/p>\n

Question 3.
\nWhat is meant by primitive data structure?
\nAnswer:
\nThe data structures that are directly operated upon by machine-level instructions are called as primitive data structure.<\/p>\n

Question 4.
\nWhat is a member function?
\nAnswer:
\nThe member functions are behaviour of a class and can access or manipulate data members without passing them as parameters.<\/p>\n

\"KSEEB<\/p>\n

Question 5.
\nWrite the declaration syntax for a pointer.
\nAnswer:
\nSyntax:
\ndata-type * pointer-variable-name;<\/p>\n

Question 6.
\nDefine primary key.
\nAnswer:
\nPrimary key uniquely identifies each record in a database.<\/p>\n

Question 7.
\nExpand FTP.
\nAnswer:
\nFile Transfer Protocol<\/p>\n

Question 8.
\nWhat is network topology?
\nAnswer:
\nIt is the geometric arrangement of computer system in network. Common topologies include a Linear bus, star, ring and ring.<\/p>\n

Question 9.
\nWhat is freeware?
\nAnswer:
\nA software available free of cost to use and distribute, but not for modification and without source code.<\/p>\n

\"KSEEB<\/p>\n

Question 10.
\nMention the use of HTML.
\nAnswer:
\nThe HTML is used to create web pages.<\/p>\n

PART – B<\/p>\n

Answer any five questions. Each question carries two marks. (5 \u00d7 2 = 10)<\/span><\/p>\n

Question 11.
\nProve that x + xy = x
\nAnswer:
\nProve that X + XY = X.
\n\"2nd<\/p>\n

Question 12.
\nDefine minterm and maxterm.
\nAnswer:
\nA minterm is a special product of literals, in which each input variable appears exactly once. A. maxterm is a sum of literals, in which each input variable appears exactly once.<\/p>\n

Question 13.
\nBriefly discuss the classes in OOP.
\nAnswer:
\nThe Class allow to group functions and data variables. The class is a way to grouping objects having similar characteristics. The objects can be made user defined data type with the help of a class.<\/p>\n

\"KSEEB<\/p>\n

Question 14.
\nWhat is a destructor? Write its syntax.
\nAnswer:
\nIt is a special function used to release the memory space allocated by the object.
\nGeneral Syntax of Destructors<\/p>\n

~ classname();<\/p>\n

The above is the general syntax of a destructor. In the above, the symbol tilde ~ represents a destructor which precedes the name of the class.<\/p>\n

Question 15.
\nDifferentiate between ifstream and ofstream.
\nAnswer:
\nThis ifstream class supports input operations on files and ofstream class supports output operations on files.<\/p>\n

Question 16.
\nWhat is data independence? Mention the types of data independence.
\nAnswer:
\nDatabase systems are designed in multi-layers. A major objective for layer architecture is to provide data independence, which means that upper levels are unaffected by changes in lower levels.
\nThere are two kinds of data independence:<\/p>\n