Tag Archives: between

What is scope of a variable ? Differentiate between Global and Local variables

What do you mean by scope of a variable ? Differentiate between Global and Local variables giving an example of each. 5m Dec 2009  Scope of a Variable Scope of a Variable means the bondaries of the variable in which it appears and can be accessible.   Global vs. Static variables: Global variables are recognized… Read More »

List three differences between Dynamic RAM and Static RAM. 3m Jun2008

List three differences between Dynamic RAM and Static RAM. 3m Jun2008 Static RAM   ü  SRAM uses transistor to store a single bit of data ü  SRAM does not need periodic refreshment to maintain data ü  SRAM’s structure is complex than DRAM ü  SRAM are expensive as compared to DRAM ü  SRAM are faster than… Read More »

Differences between structure and union in C programming with example

What are the differences between structure and union? Give one illustrative example of usage of the union. 8m Jun2008 Structure in C programming Structure is commonly referred to as a user-defined data type. C’s structures allow you to store multiple variables of any type in one place (the structure). A structure can contain any of… Read More »

Explain use of comma operator and What is the difference between & and && in C. 10m Jun2007

Explain use of comma operator in C with the help of an example. 5m Jun2007  Comma Operator in C A comma operator is used to separate a pair of expressions. A pair of expressions separated by a comma is evaluated left to right, and the type and value of the result are the value of… Read More »

What is the difference between a function and a macro? Find the largest number among two numbers using a function definition as well as a macro. Which is more efficient in terms of execution time and code size? 10m Jun2006

What is the difference between a function and a macro? Find the largest number among two numbers using a function definition as well as a macro. Which is more efficient in terms of execution time and code size? 10m Jun2006  Difference between a function and a macro:    Function Code  Macro Code Function takes 5… Read More »

Design an algorithm and draw corresponding flowchart to find all the prime numbers between two given numbers ‘m’ and ‘n’, where m, n > 0. 10m Dec2005

Design an algorithm and draw corresponding flowchart to find all the prime numbers between two given numbers ‘m’ and ‘n’, where m, n > 0. 10m Dec2005 An algorithm is a finite set of steps defining the solution of a particular problem. An algorithm is expressed in pseudo code – something resembling C language or… Read More »