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TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A

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11th Standard English Medium Computer Science Subject Specification and Abstraction Book Back 2 Mark Questions with Solution updated Book back Questions

Published on: 13/05/2022

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Download Tamil Nadu 11th Standard Computer Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 11th Standard - Computer Science

chapter: - Book back Questions

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Questions:

Generic 2

5 x 2 = 10

If √2 = 1.414, and the square_root() function returns 1.414, does it violate the following specification?
-- square -root (x)
-- inputs: x is a real number, x ≥ 0
-- outputs: y is a real number such that y²=x

Specify a function to find the minimum of two numbers.

Initially, farmer, goat, grass, wolf = L, L, L, L and the farmer crosses the river with goat. Model the action with an assignment statement.

Distinguish between an algorithm and a process

Define an algorithm.

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Answers Key:

Generic 2

5 x 2 = 10

No, because (-1.414)² =2, which satisfies input-output relation (y² = x)

1. --minimum (a,b)
2. -- inputs: a, b are real numbers.
3. --output: result: minimum (a,b)

Model of the action with an assignment statement:
1. --farmer, goat, grass, wolf = L,L.L.L.
2. Farmer, goat:= R, R
3. -farmer, goat, grass, wolf = R.R.L,L
4. --farmer: = L
5. --farmer, goat, grass, wolf = L,R,L.L
6. farmer, grass: = R, R
7. --farmer, goat, grass, wolf = R,R,R,L
8. farmer, goat: = L, L
9. --farmer, goat, grass, wolf = L,L,R,L
10. farmer, wolf: = R.R
11. --farmer, goat, grass, wolf = R,L,R,R
12. farmer: = L
13. --farmer, goat, grass, wolf = L,L,K,R
14. farmer, goat: = R,R
15. -- farmer, goat, grass, wolf = R,R,R,R

Algorithm	Process
An Algorithm is a sequence of instructions to solve a problem.	A process is executing of instructions to accomplish the intended task.
Elements of a process are abstracted in algorithms.	A process is actual execution of the steps to solution.
Example: Algorithm can be compared to a recipe.	Example: A process can be compared to cooking.

An algorithm is a step by step sequence of statements intended to solve a problem. An algorithm starts execution with the input data, executes the statements and finishes execution with the output data.