Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Computer Science Answers Guide chapter 1 - Function [Latest edition]

The small sections of code that are used to perform a particular task are called ______

Which of the following is a unit of code that is often defined within a greater code structure?

Which of the following is a distinct syntactic block?

The variables in a function definition are called as ______

The values which are passed to a function definition are called ______

Which of the following are mandatory to write the type annotations in the function definition?

Which of the following defines what an object can do?

Which of the following carries out the instructions defined in the interface?

The functions which will give exact result when same arguments are passed are called ______

The functions which cause side effects to the arguments passed are called ______

What is a subroutine?

Define Function with respect to Programming language.

Write the inference you get from X:=(78).

Differentiate interface and implementation.

Which of the following is a normal function definition and which is a recursive function definition.

let rec sum x y:
   return x + y

Which of the following is a normal function definition and which is a recursive function definition.

let disp :
    print ‘welcome’

Which of the following is a normal function definition and which is a recursive function definition.

let rec sum num:
   if (num!=0) then return num + sum (num-1)
   else
   return num

Mention the characteristics of Interface.

Why strlen is called pure function?

What is the side effect of the impure function? Give example.

Differentiate pure and impure functions.

What happens if you modify a variable outside the function? Give an example.

What are called Parameters and write a note on Parameter without Type?

What are called Parameters and write a note on Parameter with Type?

Identify in the following program.

let rec gcd a b:=
      if b <> 0 then gcd b (a mod b) else return a

Name of the function?

Identify in the following program.

let rec gcd a b:=
      if b <> 0 then gcd b (a mod b) else return a

Identify the statement which tells it is a recursive function?

Identify in the following program.

let rec gcd a b:=
      if b <> 0 then gcd b (a mod b) else return a

Name of the argument variable.

Identify in the following program.

let rec gcd a b:=
      if b <> 0 then gcd b (a mod b) else return a

A statement that invokes the function recursively?

Identify in the following program.

let rec gcd a b:=
      if b <> 0 then gcd b (a mod b) else return a

The statement which terminates the recursion?

Explain with example Pure and impure functions.

Explain with an example interface and implementation.