CBSE Sample Paper 2009

Informatics Practices

Class XI

 

 

Q1.      Answer the following questions:-                

1.                  What do you understand by Secondary storage devices? Explain with the help of Example.                                   2

2.                  Compare Application and System Software.                   2

3.                  Explain the Analog, Digital and Hybrid computers.                                      2

4.                  Explain Management Information System and Transaction Processing System.                                                2

5.                  Differentiate between Compiler and Interpreter.                2

 

 

 

Q2. There are 5 multiple choice questions. Only one of the options in every question is correct.                                                       3

  

      i.   Which  of the following is not hardware:

     (a) CPU    (b) Printer    (c) Assembler    (d)None of these

    ii.   The topmost bar in any application window which display the name of the document or application.

     (a)Menu bar    (b)Status bar   (c) Tool bar    (d)Title bar

  iii.   Which  of the following is not a function of  Operating System :

        (a)Resource Allocation(b)Program Execution(c) Error Correction(d)Manipulation of file System

  iv.   Which  of the following is a smallest unit of memory :

           (a)BYTE       (b)TB         (c) KB     (d)BIT

    v.   Which  of the following is not a permanent memory :

      (a)SDRAM       (b)EPROM        (c) HARD DISK    (d)OPTICAL DISK

  vi.   Which  of the following is a Output Device:

    (a) RAM       (b)VDU        (c) KEYBOARD    (d) CPU

 

 

Q3.  Consider the following tables Employee and salary. Write SQL commands for the statements (i) to (iv) and give outputs for SQL queries (v) to (viii)

 

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