In ……………, search start at the beginning of the list and check every element in the list. A) Linear search B) Binary search C) Hash Search D) Binary Tree search

In ……………, search start at the beginning of the list and check every element in the list. A) Linear search
B) Binary search
C) Hash Search
D) Binary Tree search
by

1 Answer

Answer :

A) Linear search
by

Related questions

What is the difference between linear and binary search?

Description : What is the difference between linear and binary search?

Last Answer : A: Linear search does not require the array to be sorted, whereas, binary search requires that the array be sorted. Linear search checks for the search item in a linear fashion from the beginning cell till the end, ... tell what is control variable in your loop. So if your loop is for(int i = 1; i

Consider the following statements: (a) Depth - first search is used to traverse a rooted tree. (b) Pre - order, Post-order and Inorder are used to list the vertices of an ordered rooted tree. (c) Huffman's algorithm is used to find an optimal binary tree with given weights. (d) Topological sorting provides a labelling such that the parents have larger labels than their children. Which of the above statements are true ? (A) (a) and (b) (B) (c) and (d) (C) (a) , (b) and (c) (D) (a), (b) , (c) and (d)

Description : Consider the following statements: (a) Depth - first search is used to traverse a rooted tree. (b) Pre - order, Post-order and Inorder are used to list the vertices of an ordered rooted tree. (c) Huffman's algorithm is used to find an optimal ... (d) (C) (a) , (b) and (c) (D) (a), (b) , (c) and (d)

Last Answer : (D) (a), (b) , (c) and (d)

Given an open address hash table with load factor a < 1, the expected number of probes in a successful search is (A) Atmost 1/α ln (1-α/α) (B) Atmost 1/α ln (1/1-α) (C) Atleast 1/α ln (1/1-α) (D) Atleast 1/α ln (α/1-α)

Description : Given an open address hash table with load factor a < 1, the expected number of probes in a successful search is (A) Atmost 1/α ln (1-α/α) (B) Atmost 1/α ln (1/1-α) (C) Atleast 1/α ln (1/1-α) (D) Atleast 1/α ln (α/1-α)

Last Answer : (B) Atmost 1/α ln (1/1-α)

A binary search tree whose left subtree and right subtree differ in hight by at most 1 unit is called A) AVL tree B) Red-black tree C) Lemma tree D) None of the above

Description : A binary search tree whose left subtree and right subtree differ in hight by at most 1 unit is called A) AVL tree B) Red-black tree C) Lemma tree D) None of the above

Last Answer : A) AVL tree

Suppose that we have numbers between 1 and 1000 in a binary search tree and want to search for the number 364. Which of the following sequences could not be the sequence of nodes examined? (A) 925, 221, 912, 245, 899, 259, 363, 364 (B) 3, 400, 388, 220, 267, 383, 382, 279, 364 (C) 926, 203, 912, 241, 913, 246, 364 (D) 3, 253, 402, 399, 331, 345, 398, 364

Description : Suppose that we have numbers between 1 and 1000 in a binary search tree and want to search for the number 364. Which of the following sequences could not be the sequence of nodes examined? (A) 925, 221, 912, 245, 899, ... 926, 203, 912, 241, 913, 246, 364 (D) 3, 253, 402, 399, 331, 345, 398, 364 

Last Answer : (C) 926, 203, 912, 241, 913, 246, 364

Consider the following binary search tree: Image If we remove the root node, which of the node from the left subtree will be the new root? (A) 11 (B) 12 (C) 13 (D) 16

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Last Answer : (D) 16

The runtime for traversing all the nodes of a binary search tree with n nodes and printing them in an order is (A) O(lg n) (B) O(n lg n) (C) O(n) (D) O(n2 )

Description : The runtime for traversing all the nodes of a binary search tree with n nodes and printing them in an order is (A) O(lg n) (B) O(n lg n) (C) O(n) (D) O(n2 ) 

Last Answer : (C) O(n) 

Which of the following statements is false? (A) Optimal binary search tree construction can be performed efficiently using dynamic programming. (B) Breadth-first search cannot be used to find connected components of a graph. (C) Given the prefix and postfix walks of a binary tree, the tree cannot be reconstructed uniquely. (D) Depth-first-search can be used to find the components of a graph. (1) A (2) B (3) C (4) D

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Last Answer : Answer: 2

State true or false. i) An empty tree is also a binary tree. ii) In strictly binary tree, the outdegree of every node is either o or 2. A) True, False B) False, True C) True, True D) False, False

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Last Answer : C) True, True

Let C be a binary linear code with minimum distance 2t + 1 then it can correct upto ............bits of error. (1) t + 1 (2) t (3) t - 2 (4) t/2

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Last Answer : (2) t 

If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n ≤ m, the expected number of collisions involving a particular key K is (A) less than 1 (B) less than lg n (C) greater than 1 (D) greater than lg n

Description : If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n ≤ m, the expected number of collisions involving a particular key K is (A) less than 1 (B) less than lg n (C) greater than 1 (D) greater than lg n

Last Answer : (A) less than 1

Consider a hash table of size m=100 and the hash function h(k) = floor(m(kA mod 1)) for A = (√5 − 1)/2 = 0.618033. Compute the location to which the key k = 123456 is placed in hash table. (A) 77 (B) 82 (C) 88 (D) 89

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Last Answer : (C) 88

The hash function used in double hashing is of the form: (A) h(k, i)=(h1(k)+h2(k)+i)mod m (B) h(k, i)=(h1(k)+h2(k)-i)mod m (C) h(k, i)=(h1(k)+ih2(k))mod m (D) h(k, i)=(h1(k)-ih2(k))mod m

Description : The hash function used in double hashing is of the form: (A) h(k, i)=(h1(k)+h2(k)+i)mod m (B) h(k, i)=(h1(k)+h2(k)-i)mod m (C) h(k, i)=(h1(k)+ih2(k))mod m (D) h(k, i)=(h1(k)-ih2(k))mod m

Last Answer : Answer: C

If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n≤m, the expected number of collisions involving a particular key x is less than ................... (1) 1 (2) 1/n (3) 1/m (4) n/m

Description : If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n≤m, the expected number of collisions involving a particular key x is less than ................... (1) 1 (2) 1/n (3) 1/m (4) n/m

Last Answer : Answer: 1

When does Binary search fail?

Description : When does Binary search fail?

Last Answer : A: When the array is not sorted.

In general, the binary search method needs no more than ……………. comparisons. A) [log2n]-1 B) [logn]+1 C) [log2n] D) [log2n]+1

Description : In general, the binary search method needs no more than ……………. comparisons. A) [log2n]-1 B) [logn]+1 C) [log2n] D) [log2n]+1

Last Answer : D) [log2n]+1

State True or False. i) Binary search is used for searching in a sorted array. ii) The time complexity of binary search is O(logn). A) True, False B) False, True C) False, False D) True, True

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Last Answer : D) True, True

In a binary Hamming code the number of check digits is r then number of message digits is equal to: (A) 2r-1 (B) 2r-r-1 (C) 2r-r+1 (D) 2r+r-1

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Last Answer : (B) 2r-r-1

The average case occurs in the Linear Search Algorithm when: (A) The item to be searched is in some where middle of the Array (B) The item to be searched is not in the array (C) The item to be searched is in the last of the array (D) The item to be searched is either in the last or not in the array

Description : The average case occurs in the Linear Search Algorithm when: (A) The item to be searched is in some where middle of the Array (B) The item to be searched is not in the array (C) The item to be searched is in the last of the array (D) The item to be searched is either in the last or not in the array

Last Answer : (A) The item to be searched is in some where middle of the Array

What is called as transposition table? a) Hash table of next seen positions b) Hash table of previously seen positions c) Next value in the search d) None of the mentioned

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Last Answer : b) Hash table of previously seen positions

………………. Is a directed tree in which outdegree of each node is less than or equal to two. A) Unary tree B) Binary tree C) Dinary tree D) Both B and C

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The property of binary tree is A) The first subset is called left subtree B) The second subtree is called right subtree C) The root cannot contain NULL D) The right subtree can be empty

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Last Answer : D) The right subtree can be empty

A full binary tree with n leaves contains (A) n nodes (B) log2 n nodes (C) 2n –1 nodes (D) 2n nodes

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Last Answer : (C) 2n –1 nodes 

The inorder and preorder Traversal of binary Tree are dbeafcg and abdecfg respectively. The post-order Traversal is ............ (A) dbefacg (B) debfagc (C) dbefcga (D) debfgca

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Last Answer : (D) debfgca

Suppose you are given a binary tree with n nodes, such that each node has exactly either zero or two children. The maximum height of the tree will be (A) n/2 - 1 (B) n/2 + 1 (C) (n-1)/2 (D) (n+1)/2

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Last Answer : (C) (n-1)/2

………………. is not an operation performed on linear list Get More Mcqs from http://www.siteforinfotech.com/p/mcqs.html a) Insertion b) Deletion c) Retrieval d) Traversal A) only a,b and c B) only a and b C) All of the above D) None of the above

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Last Answer : D) None of the above

Consider f(N) = g(N) + h(N) Where function g is a measure of the cost of getting from the start node to the current node N and h is an estimate of additional cost of getting from the current node N to the goal node. Then f(N) = h(N) is used in which one of the following algorithms ? (A) A* algorithm (B) AO* algorithm (C) Greedy best first search algorithm (D) Iterative A* algorithm

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Last Answer : (C) Greedy best first search algorithm

................ is used in game trees to reduce the number of branches of the search tree to be traversed without affecting the solution. (A) Best first search (B) Goal stack planning (C) Alpha-beta pruning procedure (D) Min-max search

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Last Answer : (C) Alpha-beta pruning procedure

Level order Traversal of a rooted Tree can be done by starting from root and performing: (A) Breadth First Search (B) Depth first search (C) Root search (D) Deep search

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Last Answer : (A) Breadth First Search

The number of disk pages access in B-tree search, where h is height, n is the number of keys, and t is the minimum degree, is: (A) θ(logn h*t) (B) θ(logt n*h) (C) θ(logh n) (D) θ(logt n)

Description : The number of disk pages access in B-tree search, where h is height, n is the number of keys, and t is the minimum degree, is: (A) θ(logn h*t) (B) θ(logt n*h) (C) θ(logh n) (D) θ(logt n)

Last Answer : Answer: D

Red-black trees are one of many Search tree schemes that are "balanced” in order to guarantee that basic dynamic-set operations take ............. time in the worst case. (1) O(1) (2) O(log n) (3) O(n) (4) O(n log n)

Description : Red-black trees are one of many Search tree schemes that are "balanced” in order to guarantee that basic dynamic-set operations take ............. time in the worst case. (1) O(1) (2) O(log n) (3) O(n) (4) O(n log n)

Last Answer : (2) O(log n) 

The order of a leaf node in a B+ tree is the maximum number of children it can have. Suppose that block size is 1 kilobytes, the child pointer takes 7 bytes long and search field value takes 14 bytes long. The order of the leaf node is ............ (1) 16 (2) 63 (3) 64 (4) 65

Description : The order of a leaf node in a B+ tree is the maximum number of children it can have. Suppose that block size is 1 kilobytes, the child pointer takes 7 bytes long and search field value takes 14 bytes long. The order of the leaf node is ............ (1) 16 (2) 63 (3) 64 (4) 65

Last Answer : Answer: All

A pushdown automation M = (Q, Σ, Γ, δ, q0, z, F) is set to be deterministic subject to which of the following condition(s), for every q ∈ Q, a ∈ Σ ∪ {λ} and b ∈ Γ (s1) δ(q, a, b) contains at most one element (s2) if δ(q, λ, b) is not empty then δ(q, c, b) must be empty for every c ∈ Σ (A) only s1 (B) only s2 (C) both s1 and s2 (D) neither s1 nor s2

Description : A pushdown automation M = (Q, Σ, Γ, δ, q0, z, F) is set to be deterministic subject to which of the following condition(s), for every q ∈ Q, a ∈ Σ ∪ {λ} and b ∈ Γ (s1) δ(q, a, b) contains at most one ... ) must be empty for every c ∈ Σ (A) only s1 (B) only s2 (C) both s1 and s2 (D) neither s1 nor s2

Last Answer : (C) both s1 and s2

Which one of the following is not a linear data structure? (A) Array (B) Binary Tree (C) Queue (D) Stack

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Last Answer : (B) Binary Tree 

There is an extra element at the head of the list called a ………. A) Antinel B) Sentinel C) List header D) List head

Description : There is an extra element at the head of the list called a ………. A) Antinel B) Sentinel C) List header D) List head

Last Answer : B) Sentinel

To add a new element to a list we use which command ? a) list1.add(5) b) list1.append(5) c) list1.addLast(5) d) list1.addEnd(5)

Description : To add a new element to a list we use which command ? a) list1.add(5) b) list1.append(5) c) list1.addLast(5) d) list1.addEnd(5)

Last Answer : a) list1.add(5)

Which is true regarding BFS (Breadth First Search)? a) BFS will get trapped exploring a single path b) The entire tree so far been generated must be stored in BFS c) BFS is not guaranteed to find a solution if exists d) BFS is nothing but Binary First Search

Description : Which is true regarding BFS (Breadth First Search)? a) BFS will get trapped exploring a single path b) The entire tree so far been generated must be stored in BFS c) BFS is not guaranteed to find a solution if exists d) BFS is nothing but Binary First Search

Last Answer : b) The entire tree so far been generated must be stored in BFS

To eliminate the inaccuracy problem in planning problem or partial order planning problem we can use ___________________ data structure/s. a) Stacks b) Queue c) BST (Binary Search Tree) d) Planning Graphs

Description : To eliminate the inaccuracy problem in planning problem or partial order planning problem we can use ___________________ data structure/s. a) Stacks b) Queue c) BST (Binary Search Tree) d) Planning Graphs

Last Answer : d) Planning Graphs

For any B-tree of minimum degree t ≥2, every node other than the root must have atleast ............... keys and every node can have at most .............. keys. (A) t-1, 2t+1 (B) t+1, 2t+1 (C) t-1, 2t-1 (D) t+1, 2t-1

Description : For any B-tree of minimum degree t ≥2, every node other than the root must have atleast ............... keys and every node can have at most .............. keys. (A) t-1, 2t+1 (B) t+1, 2t+1 (C) t-1, 2t-1 (D) t+1, 2t-1

Last Answer : (C) t-1, 2t-1 

Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters? A. cat emp[!0-9] B. more [emp][!0-9] C. cat emp[x-z]

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Last Answer : A. cat emp[!0-9]

Which symbol will be used with grep command to match the pattern pat at the beginning of a line? A. ^pat B. $pat C. pat$ D. pat^ E. None of the above

Description : Which symbol will be used with grep command to match the pattern pat at the beginning of a line? A. ^pat B. $pat C. pat$ D. pat^ E. None of the above

Last Answer : A. ^pat

Consider three CPU intensive processes P1, P2, P3 which require 20, 10 and 30 units of time, arrive at times 1, 3 and 7 respectively. Suppose operating system is implementing Shortest Remaining Time first (preemptive scheduling) algorithm, then .............. context switches are required (suppose context switch at the beginning of Ready queue and at the end of Ready queue are not counted). (A) 3 (B) 2 (C) 4 (D) 5

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Last Answer : (A) 3

Which of the following are the principles tasks of the linker? I. Resolve external references among separately compiled program units. II. Translate assembly language to machine code. III. Relocate code and data relative to the beginning of the program. IV. Enforce access-control restrictions on system libraries. (A) I and II (B) I and III (C) II and III (D) I and IV

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Last Answer : (B) I and III

The command javac A) Converts a java program into binary code B) Converts a java program into bytecode C) Converts a java program into machine language D) None of the above.

Description : The command javac A) Converts a java program into binary code B) Converts a java program into bytecode C) Converts a java program into machine language D) None of the above.

Last Answer : B) Converts a java program into bytecode

State True or False. i) While overloading operators new operator can be overloaded. ii) The binary operator such as +, -, * and must explicitly return a value. A) True, True B) True, False C) False, True D) False, False

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Last Answer : C) False, True

Which of the following is not a binary operator in relational algebra? A) Join B) Semi-Join C) Assignment D) Project

Description : Which of the following is not a binary operator in relational algebra? A) Join B) Semi-Join C) Assignment D) Project

Last Answer : D) Project

Binary code "0" means ............ A) State of absence B) State of presence C) State of Negative D) State of Positive

Description : Binary code "0" means ............ A) State of absence B) State of presence C) State of Negative D) State of Positive

Last Answer : B) State of presence

What is a relationship called when it is maintained between two entities? (A) Unary (B) Binary (C) Ternary (D) Quaternary

Description : What is a relationship called when it is maintained between two entities? (A) Unary (B) Binary (C) Ternary (D) Quaternary

Last Answer : (B) Binary

Cartesian product in relational algebra is (A) a Unary operator. (B) a Binary operator. (C) a Ternary operator. (D) not defined.

Description : Cartesian product in relational algebra is (A) a Unary operator. (B) a Binary operator. (C) a Ternary operator. (D) not defined.

Last Answer : (B) a Binary operator.

The number of distinct binary images which can be generated from a given binary image of right M × N are (A) M + N (B) M × N (C) 2M + N (D) 2MN

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Last Answer : (D) 2MN