long responses

Question 1

tell me all the operators

Answer 1

arithmetic,relational,logical,assignment,increment and decrement, bitwise,conditinal,special

Question 2

4 characteristics of a computer

Answer 2

speed, accuracy,automation, programmabilty

Question 3

What is Data Type?

Answer 3

A data type isa classification of data which tells the compiler or interpreter how the programmer intends to use the data

Question 4

Explain various data types available in C.

Answer 4

int ,char, float, double, void, Arrays, Pointers, Structures, Unions

Question 5

What are Variables?

Answer 5

A variable in C is a named memory location used to store data that can be modified during the program’s execution. Variables provide a way to label and work with data in a program.

Question 6

What is a Flowchart?

Answer 6

A flowchart is a graphical representation of a process or algorithm. It uses symbols to depict steps and their sequence in solving a problem, making it easier to visualize and understand the logic.

Question 7

Oval/Ellipse

Answer 7

Represents the start or end of a process.

Question 8

Rectangle

Answer 8

Represents a step or operation in the process.

Question 9

Diamond

Answer 9

Represents a decision point in the process, typically a Yes/No question.

Question 10

Parallelogram

Answer 10

Represents input (e.g., user input) or output (e.g., displaying a result).

Question 11

Arrow

Answer 11

Indicates the flow or direction of the process.

Question 12

What is an Array?

Answer 12

An array is a collection of data items, all of the same type, accessed using a common name.

Question 13

What is Computer…?

Answer 13

A computer can be defined as a fast electronic calculating machine that accepts the (data) digitized input information process it as per the list of internally stored instructions and produces the resulting information.

Question 14

A Computer has four main components. They are ?

Answer 14

Central Processing Unit
Memory Unit
Input devices
Output devices

Question 15

What is ROM?

Answer 15

It stores data and instructions, even when the computer is turned off. It is the permanent memory of the computer where the contents cannot be modified by an end user.

Question 16

What is RAM?

Answer 16

It contains all types of intermediate and temporary data to be used by the CPU.

Question 17

Primary memory is faster in speed, less in size (normally a few megabytes) and costlier.
It consists of

Answer 17

ROM (Read Only Memory)
RAM (Random Access Memory)

Question 18

The most common input devices are

Answer 18

Keyboard
Mouse
Scanner
Joy stick
Microphone
Optical Character Reader(OCR)

Question 19

The most commonly used output devices are

Answer 19

Monitor
Printer
Speakers
Plotters

Question 20

what is Programming?

Answer 20

is a creative process done by programmers to instruct a computer on how to do a task.

Question 21

Why Programming Language?

Answer 21

A programming language is a formal constructed language designed to communicate instructions to a machine, particularly a computer.

Question 22

what is Algorithm?

Answer 22

Algorithm is a finite sequence of instructions, each of which has a clear meaning and can be performed with a finite amount of effort in a finite length of time

Question 23

The characteristics of a good algorithm are:

Answer 23

Precision
Uniqueness
Finiteness
Input
Output
Generality

Question 24

What is a flow chart ?

Answer 24

is a Graphical representation of an Algorithm or a portion of an Algorithm.

Question 25

tell the structure of c program

Answer 25

Documentation section Link section Definition section Global declaration section main () function section

Question 26

Types of Constants

Answer 26

Integer Constants Floating-point Constants Character Constants String Constants

Question 27

Variables

Answer 27

It is used to store values in program.

Question 28

Types of Variables

Answer 28

Local variable Global variable Static variable

Question 29

what is data type?

Answer 29

A data type is a classification of data which tells the compiler or interpreter how the programmer intends to use the data.

Question 30

C Tokens

Answer 30

C Tokens are the smallest building block or smallest unit of a C program

Question 31

Decision making statements

Answer 31

Decision making statements are: if statement if..else statements else..if ladder nested if statements

Question 32

Switch Case statements

Answer 32

The switch statement in C is an alternate to if-else-if ladder statement which allows us to execute multiple operations for the different possible values of a single variable called switch variable

Question 33

define loops

Answer 33

Loops are the technique to repeat set of statements until given condition is true

Question 34

Concept of jump

Answer 34

There are 4 jump statements Break Continue Goto Return

Question 35

what is an array?

Answer 35

Array is a data structure that hold finite sequential collection of homogeneous data.

Question 36

Define string

Answer 36

A sequence of characters that is treated as a single data item.

Question 37

define a funnction

Answer 37

A function is a block of statements that performs a specific task.

Question 38

define Library Functions

Answer 38

are the functions which are declared in the C header files such as scanf(), printf(), sqrt(), pow(), strcat(), strlen() etc

Question 39

HOW TO CALL C FUNCTIONS IN A PROGRAM?

Answer 39

Call by value: A copy of the variable is passed to the function. Call by reference: An address of the variable is passed to the function.

Question 40

define recusion

Answer 40

Recursion is the process which comes into existence when a function calls a copy of itself to work on a smaller problem.