HNBGU BCA First Semester Previous Year 2012-13 Question Papers

Fundamental of computers

Note: Attempt any five questions. All questions carry equal marks.

1. (a) What is a Computer? Write its characteristics.
   
   (b) What are the differences between second and third generation of computers.?
   
   
2. (a) What are the differences between compiler and interpreter?
   
   (b) Explain computer organization with diagram. Also explain its units by giving example.
   
   
3. (a) What is a software? Explain all types of softwares.
   
   (b) What are the differences between high level languages and low level languages?
   
   
4. (a) What are the differences between DOS and windows operating system?
   
   (b) Explain internal and external DOS commands by giving examples.
   
   
5. (a) What are the differences between PROM and EPROM.
   
   (b) What are the differences between optical disk and hard disk?
   
   (c) What are the differences between impact and Non impact printers.
   
   (d) What are the differences between OCR and bar code reader
   
   
6. (a) Explain all types of digital computers.
   
   (b) What are the differences between analog and digital computers?
   
   
7. (a) What is MS word? Write down the steps of mail merge to send one type of letters to number of peoples.
   
   (b) What is MS Excel ? write down the steps to create macro to record information.
   
   
8. Write short notes on the following.:

• Virtual memory
• Cache memory
• MICR
• OCR
• Light pen
• Touch screen
• VDU

Programming in C

Note: Attempt any five questions. All questions carry equal marks.

1. (a) Write and explain the various data types in C with examples in brief.
   
   (b) What do you understand by syntax error, execution error and logical error? How do the execution errors differ from logical error?
   
   
2. (a) Write a C programme to print the series 1,3,3,4, .... using recursion function.
   
   (b) What is function? Differentiate between function and library function.
   
   
3. (a) Write down the C program to find the largest number in the array using pointer.
   
   (b) Write a C program to multiply two matrix.
   
   
4. (a) What do you mean by structure in C? Explain it by suitable example.
   
   (b) Explain the following with example:
        Pointer to function
        Pointer to pointer
   
   
5. (a) Explain the various operations used for handling the file with example.
   
   (b) Differentiate between the following:
        Call by value and call by reference
        Structure and union
   
   
6. (a) Write the various functions for handling the string in C
   
   (b) Write down a C program to find number of characters in a line.
   
   
7. Write short notes on any four of the following:

• Storage classes in C
• Various operations used in C
• Structure of C programme
• Calloc() and Malloc() function with examples
• Multidimensional arrays
• Decision making statement