Simplified Boolean equation for the following truth table is:
Description : Find the divergence of the field, P = x 2 yz i + xz k a) xyz + 2x b) 2xyz + x c) xyz + 2z d) 2xyz + z
Last Answer : b) 2xyz + x
Description : x^4 + xy^3 + x^3y + xz^3 + y^4 + yz^3 is divisible by : -Maths 9th
Last Answer : answer:
Description : If a = (xy)/(x+y), b = (xz)/(x+z), and c = (yz)/(y+z), where a, b and c are non-zero, then what is x equal to ? -Maths 9th
Description : In the given figure, YZ is parallel to MN, XY is parallel is LM and XZ is parallel to LN. Then MY is -Maths 9th
Description : Is the vector is irrotational. E = yz i + xz j + xy k a) Yes b) No
Last Answer : a) Yes
Description : Find whether the vector is solenoidal, E = yz i + xz j + xy k a) Yes, solenoidal b) No, non-solenoidal c) Solenoidal with negative divergence d) Variable divergence
Last Answer : a) Yes, solenoidal
Description : The Karnaugh map for a Boolean function is given as The simplified Boolean equation for the above Karnaugh Map is (A) AB + CD + AB’ + AD (B) AB + AC + AD + BCD (C) AB + AD + BC + ACD (D) AB + AC + BC + BCD
Last Answer : (B) AB + AC + AD + BCD
Description : If `x=1+log_(a) bc, y=1+log_(b) ca, z=1+log_(c) ab`, then `(xyz)/(xy+yz+zx)` is equal to
Last Answer : If `x=1+log_(a) bc, y=1+log_(b) ca, z=1+log_(c) ab`, then `(xyz)/(xy+yz+zx)` is equal to A. 2 B. 1 C. 4 D. 6
Description : The sum of products expansion for the function F(x, y, z) = (x + y)z’ is given as (A) x’y’z + xyz’ + x’yz’ (B) xyz + xyz’ + xy’z’ (C) xy’z’ + x’y’z’ + xyz’ (D) xyz’ + xy’z’ + x’yz’
Last Answer : (D) xyz’ + xy’z’ + x’yz’ Explanation: Use Boolean identities to expand the product and simplify. F(x, y, z)=(x + y)z’ =xz’+yz’ Distributive law =x1z’+1yz’ Identity law =x(y+y’)z’+(x+x’)yz’ Unit property =xyz’+xy’z’+xyz’+x’yz’ Distributive law =xyz’+xy’z’+x’yz’ Idempotent law
Description : When simplified with Boolean Algebra (x + y)(x + z) simplifies to (A) x (B) x + x(y + z) (C) x(1 + yz) (D) x + yz
Last Answer : Ans: D When simplified with Boolean Algebra (x + y)(x + z) simplifies to x + yz [(x + y) (x + z)] = xx + xz + xy + yz = x + xz + xy + yz (Qxx = x) = x(1+z) + xy + yz = x + xy + yz {Q(1+z) = 1} = x(1 + y) + yz = x + yz {Q(1+y) = 1}]
Description : The simplified form of a Boolean equation (AB’+AB’C+AC)(A’C’+B’) is : (A) AB’ (B) AB’C (C) A’B (D) ABC
Last Answer : (A) AB’
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)
Description : A Boolean operator Ө is defined as follows: 1Ө1=1, 1Ө0=0, 0Ө1=0 and 0Ө0=1 What will be the truth value of the expression (xӨy)Өz = xӨ(yӨz)? (A) Always false (B) Always true (C) Sometimes true (D) True when x, y, z are all true
Last Answer : (B) Always true
Description : For the implementation of a paging scheme, suppose the average process size be x bytes, the page size be y bytes, and each page entry requires z bytes. The optimum page size that minimizes the total overhead due to the page ... fragmentation loss is given by (A) x/2 (B) xz/2 (C) √2xz (D) (√xz)/2
Last Answer : (C) √2xz
Description : Which one of the following is one of the factors of x^2 (y – z) + y^2 (z – x) – z (xy – yz – zx) ? -Maths 9th
Description : If x + y + z = 0, then x^2/(2x^2+yz)+y^2/(2y^2+zx)+z^2/(2z^2+xy) = -Maths 9th
Description : The sum of product expression for a Boolean function can be derived from its truth table by (a) AND operation of the product terms. (b) NOR operation of the product terms. (c) OR operation of the product terms. (d) NAND operation of the product terms.
Last Answer : C. OR operation of the product terms
Description : Which of the following strings would match the regular expression: p+[3-5]*[xyz]? I. p443y Il. p6y III. 3xyz IV. p35z V. p353535x Vl. ppp5 (1) I, III and Vl only (2) IV, V and VI only (3) II, IV and V only (4) I, IV and V only
Last Answer : Answer: 4
Description : What is -(2x-xy) simplified completely?
Last Answer : It is -2x + 2xy
Description : In java, string is a ............. A) primitive data type B) abstract data type C) combination of boolean D) None of the above
Last Answer : B) abstract data type
Description : Which of the following control expressions are valid for an if statement? A) An integer expression B) A Boolean expression C) Either A or B D) Neither A nor B
Last Answer : B) A Boolean expression
Description : In java, ............. can only test for equality, where as ............ can evaluate any type of the Boolean expression. A) switch, if B) if, switch C) if, break D) continue, if
Last Answer : A) switch, if
Description : Which of the following control expressions are valid for an if statement? A) an integer expression B) a Boolean expression C) either A or B D) Neither A nor B
Last Answer : B) a Boolean expression
Description : Which of the following statements are true ? I. A circuit that adds two bits, producing a sum bit and a carry bit is called half adder. II. A circuit that adds two bits, producing a sum bit and a carry bit is called full adder. ... an inverter. (A) I & II (B) II & III (C) I, II, III (D) I, III & IV
Last Answer : (D) I, III & IV
Description : The dual of a Boolean expression is obtained by interchanging (A) Boolean sums and Boolean products (B) Boolean sums and Boolean products or interchanging 0's and 1's (C) Boolean sums and Boolean products and interchanging 0's & 1's (D) Interchanging 0's and 1's
Last Answer : (C) Boolean sums and Boolean products and interchanging 0's & 1's
Description : Consider the following statements : (a) Boolean expressions and logic networks correspond to labelled acyclic digraphs. (b) Optimal Boolean expressions may not correspond to simplest networks. (c) Choosing essential blocks first in a Karnaugh map ... (b) only (C) (a) and (b) (D) (a), (b) and (c)
Last Answer : (D) (a), (b) and (c)
Description : If a function is described by F = (3x + z, y 2 − sin x 2 z, xz + ye x5 ), then the divergence theorem value in the region 0
Last Answer : c) 39
Description : Find the divergence of the vector F= xe -x i + y j – xz k a) (1 – x)(1 + e -x ) b) (x – 1)(1 + e -x ) c) (1 – x)(1 – e) d) (x – 1)(1 – e)
Last Answer : a) (1 – x)(1 + e -x )
Description : Venn diagram is a kind of diagram to (A) represent and assess the truth of elementary inferences with the help of Boolean Algebra of classes. (B) represent and assess the validity of ... but not represent the validity of elementary inferences with the help of Boolean Algebra of classes.
Last Answer : (B) represent and assess the validity of elementary inferences with the help of Boolean Algebra of classes.
Description : If f(x, y) is a digital image, then x, y and amplitude values of f are (A) Finite (B) Infinite (C) Neither finite nor infinite (D) None of the above
Last Answer : (A) Finite
Description : In the following graph, discovery time stamps and finishing time stamps of Depth First Search (DFS) are shown as x/y where x is discovery time stamp and y is finishing time stamp. It shows which of the following depth first forest? (A ... {a,b,e} {f,g} {c,d} {h} (D) {a,b,c,d} {e,f,g} {h}
Last Answer : Answer: A
Description : Given a Non-deterministic Finite Automation (NFA) with states p and r as initial and final states respectively transition table as given below The minimum number of states required in Deterministic Finite Automation (DFA) equivalent to NFA is (A) 5 (B) 4 (C) 3 (D) 2
Last Answer : (C) 3
Description : A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries: Which of the following list of virtual addresses (in ... 1234, 4012, 5000, 6200 (C) 1020, 3012, 6120, 8100 (D) 2021, 4050, 5112, 7100
Last Answer : Answer: C Explanation: The pages which are not in main memory are: 1020 will not cause page fault (1024-2047) 3012 will not cause page fault (3072-4095) 6120 will not cause page fault (4096-5119) 8100 will not cause page fault (6144-7167)
Description : Consider the following database table having A, B, C and D as its four attributes and four possible candidate keys (I, II, III and IV) for this table: I: {B} II: {B, C} III: {A, D} IV: {C, D} If ... the database table? (A) I and III only (B) III and IV only (C) II only (D) I only
Last Answer : (C) II only
Description : Define multiplexer. Draw logical symbol of 4:1 multiplexer with truth table and output logical equation
Last Answer : Multiplexer - it is a combinational circuit which selects one input from several inputs and connects it to the output. It is a circuit which has N-input and single output is called as multiplexer.
Description : A Boolean function F defined on the three input variables x, y and z is 1 if and only if number of 1(one) input is even. -Technology
Last Answer : This answer was deleted by our moderators...
Description : Let P(m,n) be the statement m divides n where the Universe of discourse for both the variables is the set of positive integers. Determine the truth values of the following propositions. (a) ∃m ∀n P(m,n) (b) ∀n P(1,n) ( ... -False (C) (a)-False; (b)-False; (c)-False (D) (a)-True; (b)-True; (c)-True
Description : Which of the following arguments are not valid? (a) If Gora gets the job and works hard, then he will be promoted. If Gora gets promotion, then he will be happy. He will not be happy, therefore, either he will not get the job or he ... and (c) (B) (b) and (c) (C) (a), (b) and (c) (D) (a) and (b)
Last Answer : Answer: B Explanation: (a) P: Gora gets the job Q: Gora works hard R: Gora gets promotion S: Gora will be happy The argument can bet written as (P˄Q)→R R→S ¬S ... also be written as: ((P˅Q)˄¬P)→Q where P, and Q are propositions expressed in some formal system.
Description : Are A linear equation determines a line in the xy-plane?
Last Answer : Yes, the world "linear" and "line" have the same root.
Description : 25. The mechanism of ‘sex determination’ in birds is ... f) XX -XY b) ZZ -ZW c) ZZ -WW d) XX -XO
Last Answer : b) ZZ -ZW
Description : If an equation is simplified by removing parentheses before the properties of equality are and 8203 applied what property is and 8203 used?
Last Answer : if an equation is simplified by removing parentheses before theproperties of equality are applied, what property is used?
Description : Find the curl of the vector A = yz i + 4xy j + y k a) xi + j + (4y – z)k b) xi + yj + (z – 4y)k c) i + j + (4y – z)k d) i + yj + (4y – z)k
Last Answer : d) i + yj + (4y – z)k
Description : The input to an inverter is X + (YZ). What is the output
Last Answer : X + (YZ).
Description : Multiply x2 + 4y2 + z2 + 2xy + xz – 2yz by (-z + x-2y). -Maths 9th
Last Answer : Multiply this question
Description : Find the value of 64x3 – 125z3, if 4x – 5z = 16 and xz = 12. -Maths 9th
Description : If z equals yf x2 - y2 show that ydz divided by dx plus xdz divided by dy equals xz divided by y?
Last Answer : 4
Description : ABCD is a parallelogram with diagonal AC If a line XZ is drawn such that XZ ∥ AB, then BX/XC = ? (a) (AY/AC) (b) DZ/AZ (c) AZ/ZD (d) AC/AY Answer: (c) AZ/ZD 13. In the given figure, value of x (in cm) is (a) 5cm (b) 3.6 cm (c) 3.2 cm (d) 10 cm
Last Answer : (a) 5cm
Description : The typical elements of process image are ..................... i) User data ii) System Data iii) User program iv) System stack A) i, iii and iv only B) i, ii, and iv only C) ii, iii, and iv only D) All i, ii, iii, and iv
Last Answer : A) i, iii and iv only
