What do you understand by file organisation? Explain the methods of file organisation.
File organization refers to the way data is stored, accessed, and managed in a file system. It defines the structure and format in which data is stored on a storage medium like a hard drive or SSD, and determines how efficiently the data can be retrieved, updated, or deleted. The method of file organization affects the performance of operations like searching, insertion, and deletion.
There are several methods of file organization, each with its own advantages and disadvantages:
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Explain how will you allocate memory dynamically for a two dimensional array of floating point numbers.
Write the output of the following C codes, with proper justification for each.
i) main()
{
int x = 2, y = 2, z = 2;
x = y == z;
y = z == x;
z = x == y;
printf("%d", z);
} ii) main()
{
int x = -1, y;
x++;
y = x ? 2+x : 3-x;
printf("%d", y);
}
iii) main()
{ int i, j, a = 0;
for(i = 1, j = 1; i <= 5; j++)
{
a = a + i*j++; i = j;
}
printf("%d ", a);
}
iv) main()
{
int x = 5, y = 12;
int *p = &x, *q = &y, *r;
r = p;
p = q;
q = r;
printf("%d, %d", x, y);
}
v) func(int x)
{
static int a = 0;
a += x;
return(a);
}
main()
{ int p;
for(p = 1; p <= 5; ++p)
printf("%d", fun(p));
}
Explain the meaning of the terms garbage collection, fragmentation, relocation and compaction.
What do you understand by file organisation? Explain the methods of file organisation.
Parenthesise the following C statement for its proper evaluation.
x + = a%b + c ∗ d/e ! = f + + − g
Further, if all the variables from a to g are initialised by 2, then what will be the value of x?
Write the inorder, preorder and postorder traversals of the following binary search tree.
Write a C program that takes a list of floating point numbers as input from the keyboard, and prints their mean and standard deviation.