A three dimensional array in ‘C’ is declared as int A[x][y][z]. Here, the address of an item at the location A[p][q][r] can be computed as follows (where w is the word length of an integer): (A) &A[0][0][0]+w(y*z*q+z*p+r) (B) &A[0][0][0]+w(y*z*p+z*q+r) (C) &A[0][0][0]+w(x*y*p+z*q+r) (D) &A[0][0][0]+w(x*y*q+z*p+r)

A three dimensional array in ‘C’ is declared as int A[x][y][z]. Here, the address of an item at the location A[p][q][r] can be computed as follows (where w is the word length of an integer): (A) &A[0][0][0]+w(y*z*q+z*p+r) (B) &A[0][0][0]+w(y*z*p+z*q+r) (C) &A[0][0][0]+w(x*y*p+z*q+r) (D) &A[0][0][0]+w(x*y*q+z*p+r)
by

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Answer :

Answer: B
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Three pipes P, Q and R can fill a tank from empty to full in 40 minutes, 15 minutes, and 30 minutes respectively. When the tank is empty, all the three pipes are opened. P, Q and R discharge chemical solutions X, Y and Z respectively. What is the proportion of the solution Y in the liquid in the tank after 5 minutes? a) 8 / 15 b) 7 / 15 c) 8 / 17 d) 6 / 13 e) 8 / 13

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Why is the reward system so low compared to Q &A ? This means that the prizes of 2nd and 3rd are much less. When will the amount of prizes be increased more ?

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Consider an array A[20, 10], assume 4 words per memory cell and the base address of array A is 100. What is the address of A[11, 5] ? Assume row major storage. (A) 560 (B) 565 (C) 570 (D) 575

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When the following code is executed what will be the value of x and y? int x = 1, y=0; y = x++; (A) 2, 1 (B) 2, 2 (C) 1, 1 (D) 1, 2

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Which of the following characteristics of constructor are true. i) They should be declared in the public section. ii) They are invoked automatically when the objects are created. iii) They do not have return type and void also. iv) We cannot refer their address. v) Constructors cannot virtual. A) Only i, ii, iii and v B) Only ii, iii, iv, and v C) Only i, iii, iv and v D) All i, ii, iii, iv and v

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Last Answer : D) All i, ii, iii, iv and v

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Last Answer : (a) s

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Last Answer : (C) (p∧q∧˥r) ∨ (p∨˥q∧r) ∨ (˥p∧q∧r)

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Description : The simplified function in product of sums of Boolean function F(W, X, Y, Z) = Σ(0, 1, 2, 5, 8, 9, 10) is (A) (W' + X') (Y' + Z') (X' + Z) (B) (W' + X') (Y' + Z') (X' + Z') (C) (W' + X') (Y' + Z) (X' + Z) (D) (W' + X') (Y + Z') (X' + Z)

Last Answer : (A) (W' + X') (Y' + Z') (X' + Z)

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Last Answer : Answer: 2

An artificial neurons receives n inputs x1, x2,...,xn with weights w1,w2,...,wn attached to the input links. The weighted sum ............... is computed to be passed on to a non-linear filter ϕ called activation function to release the output. (A) Σ wi (B) Σ xi (C) Σ wi + Σ xi (D) Σ wi . Σ xi

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Last Answer : (D) Σ wi . Σ xi

Which one of the following is not a definition of error ? (A) It refers to the discrepancy between a computed, observed or measured value and the true, specified or theoretically correct value. (B) It refers to the actual output of a software and the correct output. (C) It refers to a condition that causes a system to fail. (D) It refers to human action that results in software containing a defect or fault.

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Last Answer : The input, or clock pulse.

In link state routing algorithm after construction of link state packets, new routes are computed using: (1) DES algorithm (2) Dijkstra's algorithm (3) RSA algorithm (4) Packets

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Last Answer : Answer: 2

Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

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Last Answer : ANSWER: Z -- HAS A COMPLETELY REGULAR ATOMIC OR MOLECULAR STRUCTURE

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Last Answer : Answer: Marks given to all

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Last Answer : D) 2

NULL is (A) the same as 0 for integer (B) the same as blank for character (C) the same as 0 for integer and blank for character (D) not a value

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A computer program selects an integer in the set {k : 1 ≤ k ≤ 10,00,000} at random and prints out the result. This process is repeated 1 million times. What is the probability that the value k = 1 appears in the printout atleast once ? (A) 0.5 (B) 0.704 (C) 0.632121 (D) 0.68

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Last Answer : (C) 0.632121

In a relational database model, NULL values can be used for all but which one of the following? (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL. (B) To avoid confusion with actual legitimate data values like 0 (zero) for integer columns and ‘’ (the empty string) for string columns. (C) To leave columns in a tuple marked as “unknown” when the actual value is unknown. (D) To fill a column in a tuple when that column does not really “exist” for that particular tuple.

Description : In a relational database model, NULL values can be used for all but which one of the following? (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL. (B) To ... D) To fill a column in a tuple when that column does not really exist for that particular tuple.

Last Answer : (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL.

Which of the following is not true with respect to a trackball and/or spaceball ? I. A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom II. Unlike the trackball a spaceball does not actually move. III. A trackball is a three dimensional positioning device while as a spaceball provides six degrees of freedom. (A) I & II (B) II & III (C) II only (D) III only

Description : Which of the following is not true with respect to a trackball and/or spaceball ? I. A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom II. Unlike the trackball a spaceball does ... of freedom. (A) I & II (B) II & III (C) II only (D) III only

Last Answer : (D) III only

Find minimum value of `px+qy` where `p>0, q>0, x>0, y>0` when `xy=r,^2` without using derivatives.

Description : Find minimum value of `px+qy` where `p>0, q>0, x>0, y>0` when `xy=r,^2` without using derivatives.

Last Answer : Find minimum value of `px+qy` where `p>0, q>0, x>0, y>0` when `xy=r,^2` without using ... `pqsqrtr` B. `2pqsqrtr` C. `2rsqrtpq` D. None of these

Differentiate between character array and integer array with respect to size and initialisation.

Description : Differentiate between character array and integer array with respect to size and initialisation.

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A recursive function h, is defined as follows: h(m)=k, if m=0 = 1, if m=1 = 2h(m-1) + 4h(m-2), if m≥2 If the value of h(4) is 88 then the value of k is: (1) 0 (2) 1 (3) 2 (4) -1

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Last Answer : (3) 2 

There are exactly ................ different finite automata with three states x, y and z over the alphabet {a, b} where x is always the start state. (A) 64 (B) 256 (C) 1024 (D) 5832

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Last Answer : Answer: D

two dimensional array

Description : two dimensional array

Last Answer : Jafni Shoesellers wants a program that calculates and displays the total of its previous month's sales. The ... 2 975 707 Store 3 795 595

Illustrate initialization of two dimensional array with example.

Description : Illustrate initialization of two dimensional array with example.

Last Answer : Two dimensional array: The array which is used to represent and store data in a tabular form is called as two dimensional array. Such type of array is specially used to represent data in a matrix form. ... where outer loop will increment row and inner loop will increment column. Eg : for(i=0;i

Define: (i) Two dimensional array (ii) Multi-dimensional array

Description : Define: (i) Two dimensional array (ii) Multi-dimensional array

Last Answer : (i) Two dimensional array Two dimensional array is a collection of similar type of data elements arranged in the form of rows & columns. E.g. Array can be declared as int arr[3][3]; In this there can be 9 ... (3d) array. For example, float y[2][4][3]; Here, The array y can hold 24 elements.

Why do you write ‘Integer.parseInt(br.readLine())’?

Description : Why do you write ‘Integer.parseInt(br.readLine())’?

Last Answer : A: The inputs in a java program comes in the form of String objects which are read using the br.readLine() function. Now if we want the input in integer form, we have to convert it into integer using the parseInt() function of the Integer wrapper class.