Write short notes on humanwere and firmware.

A person who use computer is called Humanwere. Humanwere refers to the person who design, program and operate a computer there are numerous categories of jobs but the three principal positions fear large computer installation are system analyst, programmer and

What are the common component of a computer system?

They are three components of a computer system :-

1. Hardware
2. Software
3. Human ware/ User

Define Band and Bandwidth.

            Band is the difference between the upper cut off frequency and lower cut off frequency.

What is difference between data and information?

The difference between data and information:

  1. Small portion of information is called data.
  2. It is the raw fact of information.
  3. Data shows small information.

How a CRT monitor creats an image?

A CRT monitor creates an image by the following ways:-

  1. Electron guns shoot streams of electrons toward the screen.
  2. Magnetic yoke guides the streams of electrons across and down the screen.

What is computer network? Discuss about LAN, WAN and MAN.

Computer network:-
              A computer network is a number of computers linked together to share resources.
There are three types of computer network.
They are:
  1. LAN (local area network)
  2. WAN (wide area network)
  3. MAN (metropolitan area network)

What is monitor?

Monitors are the most popular output device used today for producing soft copy output.

Write a program to Calculate Factorial of a number using Recursion.

           int a, fact;

Write a program to converts the given Temperature from Fahrenheit to Celcius and vice versa.


main ()
float temp_c, temp_f;

Write a program to find the n’th fibonacci series.

Void main( )
Int n, i, c, a = 0, b = 1;

What is the difference between i++ and ++i?

i++ returns the result of i after it has been incrsmented, whereas +i return the value of i before it has been incremented.

What is conditional operator? Explain with example.

Conditional Operator:
The conditional operator is unique in that it has three operands separated by two unconnected operatoe symbols. All other C++ operator are either unary or binary.

Write a C program to calculate the area and circumferences of a circle.

void main()
   int r;
   int pi =3.1416;

Write a program to find the number of and sum of all integer greater than 100 and less than 200 that are divisible by 7

void main()
   int i, sum=0;

Write down the characteristics of computer?

: The characteristics of computer is given bolow:-
1. Automatic: computers are automatic machines because once started on a job, they carry on until the job is finished, normally without any human assistance. Some of other characteristics of computers such as speed and accuracy, are due to the fact they are automatic and wark on a problem without any human intervention.