Consider a unit square centred at origin. The coordinates of the square are translated by a factor (1/2, 1) and rotated by an angle of 90o . What shall be the coordinates of the new square ? (A) (-1/2, 0), (-1/2, 1), (-3/2, 1), (-3/2, 0) (B) (-1/2, 0), (1/2, 1), (3/2, 1), (3/2, 0) (C) (-1/2, 0), (1/2, 0), (-3/2, 1), (-3/2, 0) (D) (-1/2, 0), (1/2, 1), (-3/2, 1), (-3/2, 0)

Consider a unit square centred at origin. The coordinates of the square are translated by a factor (1/2, 1) and rotated by an angle of 90o . What shall be the coordinates of the new square ? (A) (-1/2, 0), (-1/2, 1), (-3/2, 1), (-3/2, 0) (B) (-1/2, 0), (1/2, 1), (3/2, 1), (3/2, 0) (C) (-1/2, 0), (1/2, 0), (-3/2, 1), (-3/2, 0) (D) (-1/2, 0), (1/2, 1), (-3/2, 1), (-3/2, 0)
by

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Answer :

(A) (-1/2, 0), (-1/2, 1), (-3/2, 1), (-3/2, 0)
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Consider a triangle A(0, 0), B(1, 1), C(5, 2). The triangle has to be rotated by an angle of 450 about the point P(-1, -1). What shall be the coordinates of the new triangle? (A) A'=(1, √2-1), B'=(-1, 2√2-1), C'=(3√2-1, (9/2)√2-1) (B) A'=(1, √2-1), B'=(2√2-1, -1), C'=(3√2-1, (9/2)√2-1) (C) A'=(-1, √2-1), B'=(-1, 2√2-1), C'=(3√2-1, (9/2)√2-1) (D) A'=(√2-1, -1), B'=(-1, 2√2-1), C'=(3√2-1, (9/2)√2-1)

Description : Consider a triangle A(0, 0), B(1, 1), C(5, 2). The triangle has to be rotated by an angle of 450 about the point P(-1, -1). What shall be the coordinates of the new triangle? (A) A'=(1, √2-1), B'=(-1, 2√2-1), C'=(3√2-1, ... 3√2-1, (9/2)√2-1) (D) A'=(√2-1, -1), B'=(-1, 2√2-1), C'=(3√2-1, (9/2)√2-1)

Last Answer : (C) A'=(-1, √2-1), B'=(-1, 2√2-1), C'=(3√2-1, (9/2)√2-1)

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Last Answer : NEED ANSWER

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Last Answer : This answer was deleted by our moderators...

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Last Answer : (A) degenerate

Suppose you want to delete the name that occurs before “Vivek” in an alphabetical listing. Which of the following data structures shall be most efficient for this operation? (A) Circular linked list (B) Doubly linked list (C) Linked list (D) Dequeue

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Which of the following shall be a compound proposition involving the propositions p, q and r, that is true when exactly two of the p, q and r are true and is false otherwise? (A) (p∨q∧˥r) ∨ (p∨q∧r) ∧ (˥p∧q∨r) (B) (p∧q∨r) ∧ (p∧q∧r) ∨ (˥q∨˥p∧˥r) (C) (p∧q∧˥r) ∨ (p∨˥q∧r) ∨ (˥p∧q∧r) (D) (p∨r∧q) ∨ (p∧q∧r) ∨ (˥p∧q∧r)

Description : Which of the following shall be a compound proposition involving the propositions p, q and r, that is true when exactly two of the p, q and r are true and is false otherwise? (A) (p∨q∧˥r) ∨ (p∨q∧r) ∧ (˥p∧q∨r) (B) ... ) ∨ (˥q∨˥p∧˥r) (C) (p∧q∧˥r) ∨ (p∨˥q∧r) ∨ (˥p∧q∧r) (D) (p∨r∧q) ∨ (p∧q∧r) ∨ (˥p∧q∧r) 

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

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Last Answer : (D) 8

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Description : Consider a disk queue with request for input/output to block on cylinders  98, 183, 37, 122, 14, 124, 65, 67  in that order. Assume that disk head is initially positioned at cylinder 53 and moving ... and 252 cylinders (B) 640 and 236 cylinders (C) 235 and 640 cylinders (D) 235 and 252 cylinders

Last Answer : Answer: 236 and 208 cylinders Explanation: SSTF Initial head position =53 The closest queue to initial head position=65 head moves from 53 to 65=12 head moves from 65 to 67=2 head moves from 67 ... 122=24 head moves from 122 to 124=2 head moves from 124 to 183=59 Total head movement=208 

Consider a program that consists of 8 pages (from 0 to 7) and we have 4 page frames in the physical memory for the pages. The page reference string is : 1 2 3 2 5 6 3 4 6 3 7 3 1 5 3 6 3 4 2 4 3 4 5 1 The number of page faults in LRU and optimal page replacement algorithms are respectively (without including initial page faults to fill available page frames with pages): (A) 9 and 6 (B) 10 and 7 (C) 9 and 7 (D) 10 and 6

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Last Answer : (B) 10 and 7

Consider a fuzzy set old as defined below Old = {(20, 0.1), (30, 0.2), (40, 0.4), (50, 0.6), (60, 0.8), (70, 1), (80, 1)} Then the alpha-cut for alpha = 0.4 for the set old will be (A) {(40, 0.4)} (B) {50, 60, 70, 80} (C) {(20, 0.1), (30, 0.2)} (D) {(20, 0), (30, 0), (40, 1), (50, 1), (60, 1), (70, 1), (80, 1)}

Description : Consider a fuzzy set old as defined below Old = {(20, 0.1), (30, 0.2), (40, 0.4), (50, 0.6), (60, 0.8), (70, 1), (80, 1)} Then the alpha-cut for alpha = 0.4 for the set old will be (A) {(40, 0.4)} (B) {50, 60, ... , (30, 0.2)} (D) {(20, 0), (30, 0), (40, 1), (50, 1), (60, 1), (70, 1), (80, 1)}

Last Answer : (D) {(20, 0), (30, 0), (40, 1), (50, 1), (60, 1), (70, 1), (80, 1)}

Consider a window bounded by the lines : x = 0; y= 0; x = 5 and y = 3. The line segment joining (–1, 0) and (4, 5), if clipped against this window will connect the points (A) (0, 1) and (2, 3) (B) (0, 1) and (3, 3) (C) (0, 1) and (4, 3) (D) (0, 1) and (3, 2)

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Last Answer : (A) (0, 1) and (2, 3)

Consider the two class classification task that consists of the following points: Class C1: [1 1.5] [1 -1.5] Class C2: [-2 2.5] [-2 -2.5] The decision boundary between the two classes using single perceptron is given by: (A) x1+x2+1.5=0 (B) x1+x2-1.5=0 (C) x1+1.5=0 (D) x1-1.5=0

Description : Consider the two class classification task that consists of the following points: Class C1: [1 1.5] [1 -1.5] Class C2: [-2 2.5] [-2 -2.5] The decision boundary between the two classes using single perceptron is given by: (A) x1+x2+1.5=0 (B) x1+x2-1.5=0 (C) x1+1.5=0 (D) x1-1.5=0

Last Answer : (C) x1+1.5=0 

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

Description : 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

Last Answer : (C) 88

Consider a full-adder with the following input values: (a) x=1, y=0 and Ci(carry input) = 0 (b) x=0, y=1 and Ci = 1 Compute the values of S(sum) and C0 (carry output) for the above input values. (A) S=1 , C0= 0 and S=0 , C0= 1 (B) S=0 , C0= 0 and S=1 , C0= 1 (C) S=1 , C0= 1 and S=0 , C0= 0 (D) S=0 , C0= 1 and S=1 , C0= 0

Description : Consider a full-adder with the following input values: (a) x=1, y=0 and Ci(carry input) = 0 (b) x=0, y=1 and Ci = 1 Compute the values of S(sum) and C0 (carry output) for the above input values. (A) S=1 , C0= 0 and ... C0= 1 (C) S=1 , C0= 1 and S=0 , C0= 0 (D) S=0 , C0= 1 and S=1 , C0= 0

Last Answer : (A) S=1 , C0= 0 and S=0 , C0= 1

Let L be the language generated by regular expression 0*10* and accepted by the deterministic finite automata M. Consider the relation RM defined by M. As all states are reachable from the start state, RM has ................ equivalence classes. (A) 2 (B) 4 (C) 5 (D) 6

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Last Answer : (D) 6

Consider the reference string 0 1 2 3 0 1 4 0 1 2 3 4 If FIFO page replacement algorithm is used, then the number of page faults with three page frames and four page frames are .......... and ........... respectively. (A) 10, 9 (B) 9, 9 (C) 10, 10 (D) 9, 10

Description : Consider the reference string 0 1 2 3 0 1 4 0 1 2 3 4 If FIFO page replacement algorithm is used, then the number of page faults with three page frames and four page frames are .......... and ........... respectively. (A) 10, 9 (B) 9, 9 (C) 10, 10 (D) 9, 10

Last Answer : (D) 9, 10

Consider a line AB with A = (0,0) and B = (8, 4). Apply a simple DDA algorithm and compute the first four plots on this line. (1) [(0, 0), (1, 1), (2, 1), (3, 2)] (2) [(0, 0), (1, 1.5), (2, 2), (3, 3)] (3) [(0, 0), (1, 1), (2, 2.5), (3, 3)] (4) [(0, 0), (1, 2), (2, 2), (3, 2)]

Description : Consider a line AB with A = (0,0) and B = (8, 4). Apply a simple DDA algorithm and compute the first four plots on this line. (1) [(0, 0), (1, 1), (2, 1), (3, 2)] (2) [(0, 0), (1, 1.5), (2, 2), (3, 3)] (3) [(0, 0), (1, 1), (2, 2.5), (3, 3)] (4) [(0, 0), (1, 2), (2, 2), (3, 2)]

Last Answer : [(0, 0), (1, 1), (2, 1), (3, 2)]