HSC Science Class 11 - Tamil Nadu Board of Secondary Education Question Bank Solutions

What is recursive problem-solving?

Define factorial of a natural number recursively.

Power can also be defined recursively as

`"a"^"n" = {(1, "if"  "n" = 0), ("a" × "a"^("n" - 1), "if n is odd"), ("a"^("n""/"2) × "a"^("n""/"2), "if n is even"):}`

Construct a recursive algorithm using this definition. How many multiplications are needed to calculate a¹⁰?

A single-square-covered board is a board of 2n x 2n squares in which one square is covered with a single square tile. Show that it is possible to cover this board with triominoes without overlap.

Which of the following operator is an extraction operator in C++?

Which of the following statements is not true?

Which of the following is a valid string literal?

Which of the following is called compile-time operators?

What are keywords?

Can keywords be used as identifiers?

The following constant is of which type?

39

The following constant is of which type?

032

The following constant is of which type?

0XCAFE

The following constant is of which type?

04.14

Write the following real constant into the exponent form:

23.197

Write the following real constant into the exponent form:

7.214

Write the following real constant into the exponent form:

0.00005

Write the following real constant into the exponent form:

0.319

Assume n = 10; what will be result of n++ and --n;?

Match the following.