ASSIGNMENT CLASS XI COMPUTER SCIENCE

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Assignment on Programming Methodologies        
Assignment Date:        20/08/15

1.   What is Modular Programming?                                            
2.   Write any four characteristics of a good program.                   
3.   What is documentation? And explain why it is needed?             
4.   What are syntax errors, run time errors and logical errors?               
5.   Write an algorithm to find the sum of two numbers.
6.   Write an algorithm to find the area of a triangle.
7.   Draw a flowchart to find the area of a circle.
8.   Define Algorithm.
9.   What is program maintenance?
10.What is indentation? Explain with an example.


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Assignment on Microprocessors & Memory Concepts.   
Assignment Date:        10/08/15

1.      What do you mean by RAM? Write and explain different types of RAM?
2.      What is the purpose of Cache memory?
3.      Explain in brief the different ports and their purposes.
4.      Distinguish between the following pairs: 
       a. Primary memory and Secondary memory 
       b. RAM and ROM 
       c. Bluetooth and Infrared port
5.      Define word length of a microprocessor.
6.      Differentiate between CISC and RISC processors.
7.      What is the purpose of System Clock?
8.      Why do we use secondary storage? Name any two secondary storage devices.


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