PCD Assignment I

Dear student,
     Answer the following questions in your own sentences after reading the recommended text books.

1. What is computer?
2. List the major four functions of a computer system.
3. List the best features of a computer system.
4. List the areas in which computers are widely used to solve technical problems.
5. Write short note on "Types of computers memories".
6. What is the unit of computer's memory?
7. Fill in the blanks
    bit stands for ______________
    ___ bits = 1 nibble
   1 byte = ___ bits
   1024 bytes = ___ Kilo Bytes(KB)
   1024 KB = ___ Mega Bytes(MB)
   1024 MB = ___ Giga Bytes(GB)
   1024 GB = ___ Tera Bytes(TB)
   1024 TB = ___ Peta Bytes(PB)
8. What is computer program?
9. What is the difference between computer program and computer software?
10. Who is a computer programmer?
11. Who are end users?
12. Why do we learn and use computer languages.
13. Write short note on "Types of Programming Languages".
14. What is the difference between between assembler, compiler and interpreter.
15. Why do we write computer programs?


Write the C programs for following.
1. To display "Hello World!" message on the screen.
2. To display "Your residential address" on the screen.
3. To find addition of two unknown whole numbers.
4. To find addition,subtraction,multiplication,division of two unknown whole numbers.
5. To find area and circumference of a circle.
6. To find area and perimeter of a rectangle.
7. To find area of triangle of reading breadth (b) and height (h) of it.
8. To find area of triangle of reading 3 sides of it a, b and c.
9. To find simple interest.
10. To covert temperature reading from Fahrenheit to Celsius.
11. Write your own programs. (minimum 3)

Note: 1. Write the output of a written program.
          2. If you have your own personal computer, please write these programs and execute.