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11th Standard English Medium Computer Science Subject Introduction To C++ Creative 3 Mark Questions with Solution Part - II

Published on: 29/06/2021

QB365 provides detailed and simple solution for every Creative Questions in class 11 Computer Science Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

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Std: 11th Standard - Computer Science

chapter: - Creative Questions

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Questions:

Generic 3

5 x 3 = 15

Define the term
(i) Source code
(ii) object code.

State the escape sequences for horizontal tab and new line feed.

Write a note an insertion or put to operator.

Write a note on conditional operator.

Why the following identifiers are invalid? Give reason
(i) num-add
(ii) This
(iii) 2myfile

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Answers Key:

Generic 3

5 x 3 = 15

(i) Source code - A program written High level language.
(ii) Object code - Source code converted into Machine Readable code is called object code.

Escape sequences for horizontal tab is "\t" and for new line is "\n".

(i) C++ provides << operator to perform output operation. The operator << is called the " Stream insertion " or " put to " operator. It is used to send the strings or values of the variables on its right to the object on its left << is a binary operator.
(ii) The first operand is the pre-defined identifier cout (pronounced as C-Out) that identifiers monitor as the standard output object. The second operand may be a constant, variable or an expression.

In C++, there is only one conditional operator that is used. ?: is a conditional Operator. This is a Ternary Operator, This operator is used as an alternative to if... else control statement.

Identifiers	Valid/ Invalid	Reason for invalid
num-add	Invalid	Contains special character (-)
This	Invalid	This is one of the keywords. keywords cannot be used as identifier names.
2myfile	Invalid	The name must start with an alphabet or an underscore