what is the use of using linked list and array?
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Answer / rani
Linked list has an overhead cost of maintaining reference
pointers it uses. They too consume lot of memory. And this
cost is more in case of doubly linked lists.
Linked lists always provide sequential access. While arrays
give random access.
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / vaishnavi varadarajan
Use of array: All the elements are lumped together in one
block of memory. Individual elements can be accessed thru
Array index. Random access & Dynamic allocation are
possible.
Use of Linked list: Linked list allocates space for each
element separately in its own block of memory called
a "linked list element" or "node". It gets the overall
structure by using pointers to connect all its nodes
together like the links in a chain. Here the elements of
list can be accessed thru memory address (Since the pointer
stores a reference to another variable)which improves the
efficiency. Size of the list can also be modified (ie) we
can insert/delete elements of the list.
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / pradeep singh bahdari
it is not possible to declare variables for each and every
data items in the memory it takes too much time and
increases the size of code and it will be cumbersome to use
these variables
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / ananth
By using the linked list we can allocate definite memory
space for variables.But in array cannot allocate definite
memory space.
| Is This Answer Correct ? | 3 Yes | 3 No |
Answer / m.madhu sudhan
we can decrease our time complexcity and allocate
[particular memory place for give variable,this is not
possible in the arrays.this is my ans.......
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / raj
in linked list reduse time complexit,we can easily delete
element from thaa list,it dynamicaly allocating the memory
in array it will use wast memory for declaration ex arr[50]
u r going to declare only 10 elements then it is waste of
memory......... but for search array is good it can easly
go which element u r give for search..........
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / kunal
because they decrease the time complexity of the program we
have to do.
| Is This Answer Correct ? | 1 Yes | 2 No |
Answer / manju
In Linked list we can insert or delete the elements at any
position,which is not possible in arrays and arrays are of
fixed size,but linked lists are not have a definite length.
we can dynamically allocate the size of linked list with
out wastage of memory...
| Is This Answer Correct ? | 4 Yes | 5 No |
Answer / harsh srivastava
Linked List and array both are used continuous allocation of
memory. When we want to assign too many same type of data
sequentially into memory, at that time we use the Linked
list and array because taking separate variable for each
data is tedious and time consuming so we use the Linked list
and arrays.
| Is This Answer Correct ? | 2 Yes | 3 No |
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The rich analysts of Fernand Braudel arid his fellow Annales historians have made significant contributions to historical theory and research. In a departure from traditional historical approaches, the Annales historians assume (as do Marxists) that history cannot be limited to a simple recounting of conscious human actions, but must be understood in the context of forces and material conditions that underlie human behavior. Braudel was the first Annales historian to gain widespread support for the idea that history should synthesize data from various social sciences, especially economics, in order to provide a broader view of human societies over time (although Febvre and Bloch, founders of the Annales school, had originated this approach). Braudel conceived of history as the dynamic interaction of three temporalities. The first of these, the evenmentielle, involved short-lived dramatic events such as battles, revolutions, and the actions of great men, which had preoccupied traditional historians like Carlyle. Conjonctures was Braudel’s term for larger cyclical processes that might last up to half a century. The longue duree, a historical wave of great length, was for Braudel the most fascinating of the three temporalities. Here he focused on those aspects of everyday life that might remain relatively unchanged for centuries. What people ate, what they wore, their means and routes of travel—for Braudel these things create “structures’ that define the limits of potential social change for hundreds of years at a time. Braudel’s concept of the longue duree extended the perspective of historical space as well as time. Until the Annales school, historians had taken the juridical political unit—the nation-state, duchy, or whatever—as their starting point. Yet, when such enormous timespans are considered, geographical features may well have more significance for human populations than national borders, In his doctoral thesis, a seminal work on the Mediterranean during the reign of Philip II, Braudel treated the geohistory of the entire region as a “structure” that had exerted myriad influences on human lifeways since the first settlements on the shores of the Mediterranean Sea. And so the reader is given such arcane information as the list of products that came to Spanish shores from North Africa, the seasonal routes followed by Mediterranean sheep and their shepherds, and the cities where the best ship timber could be bought. Braudel has been faulted for the imprecision of his approach. With his Rabelaisian delight in concrete detail, Braudel vastly extended the realm of relevant phenomena but this very achievement made it difficult to delimit the boundaries of observation, a task necessary to beginning any social investigation. Further, Braudel and other Annales historians minimize the differences among the social sciences. Nevertheless, the many similarly designed studies aimed at both professional and popular audiences indicate that Braudel asked significant questions that traditional historians had overlooked. 14) The primary purpose of the passage is to: a) show how Braudel’s work changed the conception of Mediterranean life held by previous historians. b) evaluate Braudel’s criticisms of traditional and Marxist historiography. c) contrast the perspective of the longue duree with the actions of major historical figures d) outline some of Braudel’s influential conceptions and distinguish them from conventional approaches. 15) The author refers to the work of Febvre and Bloch in order to: a) illustrate the limitations of the Annale tradition of historical interpretation. b) suggest the relevance of economics to historical investigation. c) debate the need for combining various sociological approaches. d) show that previous Annales historians anticipated Braudel’s focus on economics. 16) According to the passage, all of the following are aspects of Braudel’s approach to history EXCEPT that he: a) attempted to draw on various social sciences. b) studied social and economic activities that occurred across national boundaries. c) pointed out the link between increased economic activity and the rise of nationalism. d) examined seemingly unexciting aspects of everyday life. 17) In the third paragraph, the author is primarily concerned with discussing: a) Braudel’s fascination with obscure facts. b) Braudel’s depiction of the role of geography in human history. c) the geography of the Mediterranean region. d) the irrelevance of national borders. 18) The passage suggests that, compared with traditional historians, Annales/i> historians are: a) more interested in other social sciences than in history. b) critical of the achievements of famous historical figures. c) skeptical of the validity of most economic research. d) more interested in the underlying context of human behavior. 19) Which of the Following statements would be most likely to follow the last sentence of the passage? a) Few such studies however, have been written by trained economists. b) It is time, perhaps, for a revival of the Carlylean emphasis on personalities. c) Many historians believe that Braudel’s conception of three distinct “temporalities” is an oversimplification. d) Such diverse works as Gascon’s study of Lyon and Barbara Tuchman’s A Distant Mirror testify to his relevance. 20) The author is critical of Braudel’s perspective for which of the Following reasons a) It seeks structures that underlie all forms of social activity. b) It assumes a greater similarity among the social sciences than actually exists. c) It fails to consider the relationship between short-term events and long-term social activity. d) It rigidly defines boundaries for social analysis.
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