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TCS Eligibility on High school marks
i got 57% in my 10th in an icsc broad,and 80% in my intermediate and 61% in my b.tech.so, will companies like tcs and wipro consider me to attend there interview??if not,can u just let me know at least one companies name for which i am eligible???
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MBA Graduate career change to Oracle Financials
I’m MBA (Finance) graduate 2006 pass out. Still I’m searching job. My friends are advising me to join Oracle finance course but the course fee is costlier. 1. Do companies offer fresher for oracle finance? 2. Could you please advice me which institute is better to learn things in Chennai?
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M.SC(comp)lecturer looking for jobs in software
I did M.SC(comp).I had worked as lecturer in computer science for 3 years.Now i want to go on software side.But this experience will not consider.What should I do in order to go on software side.
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we know that when execution of java starts, 1 st public static void main(String args[]) methodis execute. so i have ask you that ,when main method is executed, it s static method. so at the time of execution of main method, object is not their. after that code under main method is run which contain object of classes.so Q. when main method is executed,at that time object is not in memory so at that time can i say that JAVA IS NOT OBJECT-ORIENTED???
ACCORDING TO ME yes,after main methode,code run which will create object after main method, java is OBJECT ORIENTED.
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Help with technical round in TCS
HI, I want to know about technical round in TCS.i m waiting for that.plz send some useful information & material about technical interview.next week i have technical & HR round also.anybody help me to face that.thanks jancy
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List companies who have placed students having less than 60% B.E Aggregate
Please send me the list of companies who have placed students having less than 60% B.E Aggregate.I have 53.9 % Aggregate up to my 6th Semester, Is there any chance that I will get a Job?
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19 year Computer Science Student career question
i am studying computer science and engineering ..,II YEAR.I wish to join in isro.what i must do for it right from now?i am 19 years old.
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Need Training help for B.E(I.T) in 2003 graduate
I am nivya.I have completed my B.E(I.T) in 2003 pass out. Now i working one private concern but that job not suitable for my degree.i want go software line give me any idea for that which course do like Testing,.Net. many person confused me.Till now not working in software.where to study that course.
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One man Buy two cows for Rs.200.He sold the cows for Rs.210.One he sold for 10% profit and another he sold for 10% loss.Then what is the cost price of each cow?
90 rs,--gives 10 perc loss110 rs, --gives 10% profittotal=210
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Group Discussion in Recruitment process
Respected Sir, I am doing my M.C.A.I want to know which I.T companies are conducting Group Discussion in their recruitment process? Sir Plz kindly inform me the recruitment process of different companies(Like Which Phases we need to face,percentage cutoff). Thanking You Sir yours sincerely
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this() is used to invoke a constructor of the same class.
Skill/Topic: InheritanceA) TrueB) False
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Java supports multiple inheritance
Skill/Topic: InheritanceA) TrueB) False
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The depth of a tree is the _______ of a tree.
Skill/Topic: TreeA) number of nodes on the treeB) number of levels of a treeC) Number of branches
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What is a leaf node?
Skill/Topic: TreeA) A leaf node is the last node on a branch
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Parent Node is also called as _____ Node.
Skill/Topic: TreeA) MainB) RootC) BranchD) Stem
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A parent node is a node that branches into one or two other nodes, which are called child nodes.
Skill/Topic: TreeA) TrueB) False
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What is a Tree?
Skill/Topic: TreeA) A tree is a data structure where data is stored in nodesExplanation: A tree is a data structure where data is stored in nodes. Nodes are arranged in branches where each node can expand into 0, 1, or 2 other nodes.
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New nodes are added to the _____ of the queue.
Skill/Topic: Queues Using Linked ListsA) frontB) backC) middleExplanation: New nodes are added to the back of the queue.
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The size of an array queue can change during runtime?
Skill/Topic: Queues Using Linked ListsA) TrueB) FalseExplanation: The size of an array queue is set at compile time and cannot change at runtime
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LinkedList.h file is the header file that contains the definition of the Node structure and the definition of the LinkedList class.
Skill/Topic: Stacks using Linked ListA) TrueB) False
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What happens when you push a new node onto a stack?
Skill/Topic: Stacks using Linked ListA) the new node is placed at the front of the linked list.B) the new node is placed at the back of the linked list.C) the new node is placed at the middle of the linked list.D) No Changes happens
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The node in a single linked list can reference the previous node in the linked list.
Skill/Topic: Linked ListA) TrueB) FalseExplanation: A single linked list is a linked list consisting of nodes that have only the next element and not the previous element. This links the node to only the next node in the linked list. There is no way for the node to reference the previous node in the linked list
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How can a node be inserted in the middle of a linked list?
Skill/Topic: Linked ListA) by repointing the previous and the next elements of existing nodes to the new nodeB) by repointing only the next elements of existing node to the new nodeC) by repointing only the Previous elements of existing node to the new nodeD) None of the above Explanation: by repointing the previous and the next elements of existing nodes to the new node You can insert a node in the...
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Linked list C++ application is organized into three files.They are _____, ______ and _____.
Skill/Topic: Linked ListA) header file , source code file , application fileExplanation: The first file is the header file that contains the definition of the NODE structure and the LinkedList class definition. The second file is a source code file containing the implementation of member functions of the LinkedList class. The last file is the application file that contains code that creates and uses...
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What is the use of displayNodesReverse() member function?
Skill/Topic: Linked ListA) The displayNodesReverse() member function displays the contents of a linked list in reverse order, beginning with the node at the back of the linked list and continuing until the first node is displayed
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The destructor is responsible for allocating all the memory that was allocated for the linked list.
Skill/Topic: Linked ListA) TrueB) FalseExplanation: The destructor is responsible for de-allocating all the memory that was allocated for the linked list.
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Look at the following example LinkedList(){ front = NULL; back = NULL;}In this example, Both the front and back pointers are assigned a NULL value.
Skill/Topic: Linked ListA) TrueB) FalseExplanation: In this example of a the LinkedList constructor , Both the front and back pointers are assigned a NULL value.The purpose of the constructor in the linked list example is to initialize the front and back pointers as shown in the following definition. Both the front and back pointers are assigned a NULL value, which is used by the appendNode() member...
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The last member function is _____________.
Skill/Topic: Linked ListA) appendNode()B) destroyList()C) displayNode()D) structNode()Explanation: destroyList()is the last memeber function and is called to remove the instance of the LinkedList from memory.
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A Linked list can grow and shrink in size dynamically at _______.
Skill/Topic: Linked ListA) BeginningB) Run timeC) EndingD) None of the above
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What is a linked list?
Skill/Topic: Linked ListA) A linked list is a data structure consisting of elements called nodes. Each node points to the next and the previous node, thereby linking nodes together to form a linked list.
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The ~Queue() member function is the Constructor ?
Skill/Topic: QueueA) TrueB) FalseExplanation: The ~Queue() member function is the destructor.It uses the delete operator to remove the array from memory when the instance of the Queue class goes out of scope.
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The isFull() member method is called within the enqueue process to determine ?
Skill/Topic: QueueA) if there is room to place another item in the queue.B) if there is an item in the queue to be removedC) if there is an item in the queue to be locked
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The dequeue process removes data from the front of the queue.
Skill/Topic: QueueA) TrueB) False
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What is a queue ?
Skill/Topic: QueueA) A Queue is a sequential organization of data.
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What is the purpose of the isEmpty() member method?
Skill/Topic: Stacks using an ArrayA) The isEmpty() member method determines if a value is at the top of the stack and is called before an attempt is made to remove the value
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__________ Method removes the value from the top of a stack?
Skill/Topic: Stacks using an ArrayA) push() member methodB) pop() member methodC) isFull() member methodD) isEmpty() member methodExplanation: The pop() member method removes the value from the top of a stack, which is then returned by the pop() member method to the statement that calls the pop() member method.
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Popping removes an item from the stack.
Skill/Topic: Stacks using an ArrayA) TrueB) FalseExplanation: Popping is the reverse process of pushing: it removes an item from the stack. It is important to understand that popping an item off the stack doesn’t copy the item. Once an item is popped from the stack, the item is no longer available on the stack, although the value remains in the array
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_________ method places a value onto the top of a stack.
Skill/Topic: Stacks using an ArrayA) push() member methodB) pop() member methodC) isFull() member methodD) isEmpty() member methodExplanation: Push is the direction that data is being added to the stack. push() member method places a value onto the top of a stack.
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Allocating memory at runtime is also called as?
Skill/Topic: ArrayA) Statically allocating memoryB) Dynamically allocating memoryC) Sequentially allocating memoryD) All of the aboveExplanation: Allocating memory at runtime is called a dynamically allocating memory. In this,you dynamically allocate memory by using the new operator when declaring the array, for example:int grades[] = new int[10];
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The symbol * is also called as _________________.
Skill/Topic: Variables and PointersA) pointer dereferencing operatorExplanation: (sometimes called as dereferencing operator)
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What does the symbol * signifies?
Skill/Topic: Variables and PointersA) Tells the computer that you are declaring a pointerB) Tells the computer that you are declaring a variableC) Both a) and b)D) None of the aboveExplanation: The symbol * Tells the computer that you are declaring a pointer
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Pointer to a pointer is used in a program to ?
Skill/Topic: Variables and PointersA) arrange data by moving data in memoryB) arrange data by moving pointer in memoryC) arrange data without having to move data in memory.D) None of the aboveExplanation: Pointer to a pointer is used in a program to arrange data without having to move data in memory.
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The size of a structure is determines by the Product of sizes of all primitive data types within the structure?
Skill/Topic: Variables and PointersA) TrueB) FalseExplanation: The size of a structure is the sum of the sizes of all the primitive data types within the structure
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What is a user-defined data type?
Skill/Topic: Variables and PointersA) A user-defined data type is a group of primitive data types defined by the programmer.
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Why is the binary numbering system used in computing?
Skill/Topic: Memory, Abstract Data Types, and AddressesA) The binary numbering system is used in computing because it contains 2 digits that can be stored by changing the state of a transistor. Off represents 0 and On represents 1.
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_____________ Memory is Volatile.
Skill/Topic: Memory, Abstract Data Types, and AddressesA) CacheB) Random AccessC) VirtualD) MainExplanation: Random Access Memory is also called a Main Memory. It is called a Volatile memory because; instructions and data contained in main memory are lost once the computer is powered down.
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Java does not supports multithreaded programming
A) TrueB) FalseExplanation: Java supports multithreaded programming, which allows you to write programs that do many things simultaneously
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BGP stands for _______
Skill/Topic: Networking BasicsA) Border Gateway Protocol
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Expand DHCP
Skill/Topic: Networking BasicsA) Dynamic Host Configuration protocol
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RARP stands for __________
Skill/Topic: Networking BasicsA) Reverse Address Resolution Protocol
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ARP means _____
Skill/Topic: Networking BasicsA) Address Resolution Protocol
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Expand the term ICMP
Skill/Topic: Networking BasicsA) Internet Control Message Protocol
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FTP stands for _________
Skill/Topic: Networking BasicsA) File Transfer Protocol
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The source port tells the TCP code where to send incoming packets belonging to this connection
Skill/Topic: Networking BasicsA) TrueB) False
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Expand the term NAT
Skill/Topic: Networking BasicsA) Network Address Translation
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Key parameter(s) of Quality of Service (QoS) of a Network are
Skill/Topic: Networking BasicsA) JitterB) Delay C) Reliability D) Bandwith E) All of the Above F) None of the above
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A stream of packets from a source to a destination is called a ______
Skill/Topic: Networking BasicsA) Flow
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RED in Network congestion is ________________
Skill/Topic: Networking BasicsA) Repeat Early detectionB) Random Early detectionC) Router Early detection D) None of the above
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Slow processors can also cause congestion
Skill/Topic: Networking BasicsA) TrueB) False
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During Congestion, the netwrok performance increases
Skill/Topic: Networking BasicsA) TrueB) FalseExplanation: The performance degrades during Congestion
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When too many packets are present in (a part of) the subnet it is called as __________
Skill/Topic: Networking BasicsA) CongestionB) OptimisationC) NeutralisationD) None of the above
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If router J is on the optimal path from router I to router K, then the optimal path from J to K also falls along the same route. This Principle is also called as ________ principle
Skill/Topic: Networking BasicsA) Optimality Principle
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_________ algorithms change their routing decisions to reflect changes in the topology.
Skill/Topic: Networking BasicsA) RoutingB) SessionC) AdaptiveD) Nonadaptive
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1 Mbps = _____ kbps
Skill/Topic: Networking BasicsA) 10B) 100C) 1000D) 10000
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The speed of Netwrok speed is usually given in terms of Bytes per second
Skill/Topic: Networking BasicsA) TrueB) False
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Each byte of an IP address is called an _________
Skill/Topic: Networking BasicsA) Octect
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IP Addresses has ________ bytes
Skill/Topic: Networking BasicsA) 2B) 4C) 8D) 16
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An IP Address can be assigned both statically and dynamically
Skill/Topic: Networking BasicsA) TrueB) FalseExplanation: IP addresses can be determined statically (assigned to a computer by a system administrator) or dynamically (assigned by another device on the network on demand).
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An IP address can only be Public
Skill/Topic: Networking BasicsA) TrueB) FalseExplanation: An IP address can be private, for use on a LAN, or public, for use on the Internet
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An IP address is the logical address of a network adapter.
Skill/Topic: Networking BasicsA) TrueB) False
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Network address is an unique identifier for a computer on a network.
Skill/Topic: Networking BasicsA) TrueB) False
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What does USB stand for in USB Ports
Skill/Topic: Networking BasicsA) Universal System BootingB) Universal Serial BusC) Universal System BusD) United System Booting Explanation: Newer computers have one or more ports called USB ports. USB, which stands for Universal Serial Bus, is designed to eventually replace most, if not all, external connections required by your computer.
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Each type of printer has its own type of printer driver.
Skill/Topic: Networking BasicsA) TrueB) False
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All Network printers need to get connected to a port on a computer
Skill/Topic: Networking BasicsA) TrueB) FalseExplanation: Some network printers don’t connect to a port on a computer at all. Instead, these printers have an Ethernet port and connect directly to the network.
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The _______ layer is the basis of all networks.
Skill/Topic: Networking BasicsA) Physical LayerB) Data Link LayerC) Network layerD) Application Layer
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Fiber optics is an example of ________ layer
Skill/Topic: Networking BasicsA) Physical LayerB) Data Link LayerC) Network layerD) Application Layer
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Where is NIC used?
Skill/Topic: Networking BasicsA) Inside any computer attached to a network is a special electronic circuit card called a network interface card(NIC)
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Network operating systems NetWare is from Novell
Skill/Topic: Networking BasicsA) TrueB) False
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When I add 4 times my age 4 years from now to 5 times my age 5 years from now, I get 10 times my current age. How old will I be 3 years from now?
Let x= current age 4(x+4) +5(x+5) =10x4x+16+5x+25=10x9x+41=10x10x-9x=41so x= 41 yearsNow the age is 41+3=44years
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A tennis championship is played on a knock-out basis, i.e., a player is out of the tournament when he loses a match.(a) How many players participate in the tournament if 15 matches are totally played?(b) How many matches are played in the tournament if 50 players totally participate?
a] See you don't need to sum it up. since it's a knock out only 1 person emerges winner finally.So 15+1=16 Because after 15 matches finally we should have 15losers and 1winner.b]49.its always one less than no of players as perthe idea given above.
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Two trains each 1/6 mile in length run in opposite dirctions to each other with equal speed of 60 miles/hour. What is the time taken to completelycross over the two trains.
Speed at which two trains travel towards each other = 60+60 = 120 miles/hour.Total length to be covered = (1/6)+(1/6) = 2/6 mile.Time to taken to cover 2/6 mile at speed of 120 miles/hour is.....(2/6)/120 = 1/360 hour = 10 seconds.
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What are the Important Components of Struts?
1. Action Servlet2. Action Classes3. Action Form4. Validator Framework5. Message Resources6. Struts Configuration XML Files7. View components like JSP
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Nice command is used for?
This is used for change the priority.
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How does multithreading take place on a computer with a single CPU
The operating system's task scheduler allocates execution time to multiple tasks. Byquickly switching between executing tasks, it creates the impression that tasks executesequentially.
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What is the difference between the Boolean & operator and the && operator
If an expression involving the Boolean & operator is evaluated, both operands areevaluated. Then the & operator is applied to the operand. When an expression involvingthe && operator is evaluated, the first operand is evaluated. If the first operand returns avalue of true then the second operand is evaluated. The && operator is then applied tothe first and second operands. If the first operand evaluates...