Description : What is the output Boolean expression for a NOR gate with R and T as inputs?
Last Answer : (R +T)’
Description : What is the Boolean expression for the output of an AND gate that has R and S as inputs?
Last Answer : f = RS.
Description : What is the output Boolean expression for an AND gate with A and B as inputs when the B input is inverted?
Last Answer : AB
Description : What is the output Boolean expression for a NAND gate with inputs A, B, and C?
Last Answer : C B A
Description : Write the Boolean expression for an OR gate having G, K
Last Answer : . f = G+K+L.
Description : For the circuit shown in figure, the Boolean expression for the output y in terms of inputs P, Q, R and S is
Last Answer : For the circuit shown in figure, the Boolean expression for the output y in terms of inputs P, Q, R and S is P+Q+R+S
Description : . What will be the output of an X-NOR gate when both inputs are LOW?
Last Answer : HIGH.
Description : A two-input X-OR gate will produce a HIGH output when the inputs are at what logic levels?
Last Answer : . One or the other of the inputs must be HIGH, but not both at the same time.
Description : What will be the output of an X-OR gate when both inputs are HIGH?
Last Answer : Low (0)
Description : In what state must the inputs to a NOR gate be in order to produce a logic 1 output?
Last Answer : All inputs must be low.
Description : What will be the output of a NOR gate when both inputs are HIGH?
Last Answer : Low.
Description : A NAND gate has inputs labeled as A, B, and C. If A and B are HIGH, C must be at what logic level to produce a HIGH output?
Last Answer : . Low.
Description : What must be the state of the inputs to a NAND gate in order to produce a LOW output?
Last Answer : All inputs must be HIGH.
Description : A NAND gate has Z and X as inputs. What will be the output logic level if Z is HIGH and X is LOW?
Description : The data representation of CSG objects is represented by a.a binary tree b.a boolean operation c.a primitive d.none of the above
Last Answer : a.a binary tree
Description : Computers normally solve problem by breaking them down into a series of yes-or-no decisions represented by 1s and 0s. What is the name of the logic that allows computers to assign numerical values that fail ... 0 and 1? a) Human logic b) Fuzzy logic c) Boolean logic d) Operational logic
Last Answer : b) Fuzzy logic
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 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 : Karnaugh map is used for the purpose of (A) Reducing the electronic circuits used. (B) To map the given Boolean logic function. (C) To minimize the terms in a Boolean expression. (D) To maximize the terms of a given a Boolean expression.
Last Answer : (C) To minimize the terms in a Boolean expression.
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 : 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 : Write simple example of Boolean expression for SOP and POS.
Last Answer : SOP form:
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 : Boolean algebra is used primarily by _______ to simplify circuits.
Last Answer : Design engineers.
Description : Boolean algebra is based on the assumption that most quantities have _______ conditions.
Last Answer : Two.
Description : Which type of optical splitter (Y-coupler or T-coupler) splits only a small amount of power from the input fiber to one of the output fibers?
Last Answer : T-coupler
Description : An X-OR gate may be used as what type of adder?
Last Answer : Quarter adder.
Description : . What type of FF can be used as an R-S, a T, or a D FF?
Last Answer : J-K flip-flop.
Description : The wavelength of first member ofBalmer Series is 6563 Å. Calculate the wavelength of second member of Lyman series.
Last Answer : The wavelength of first member ofBalmer Series is 6563 Å. Calculate the wavelength of second member of Lyman ... B. 2050Å C. 6563Å D. none of these
Description : The number of photons emitted in 10 hours by a 60 W sodium lamp `(lambda` of photon `= 6000 Å)`
Last Answer : The number of photons emitted in 10 hours by a 60 W sodium lamp `(lambda` of photon `= 6000 Å)` A. `6. ... C. `8.40xx10^(23)` D. `3.40xx10^(23)`
Description : The frequency of light for 1.0 `Å` wavelenght is :-
Last Answer : The frequency of light for 1.0 `Å` wavelenght is :- A. `3xx10^(18)Hz` B. `3xx10^(18)sec^(-1)` C. `3xx10^(18)` Cycles per sec D. All of the above.
Description : What hydrohen-like ion has the wave-length difference between the first lines of the Balmer and Lyman series equal to `593 Å`.
Last Answer : What hydrohen-like ion has the wave-length difference between the first lines of the Balmer and Lyman series equal to `593 Å`.
Description : The `6563 Å H_(2)` line emitted by hydrogen in a star is found to be red shifted by `15 Å`. Estimate the speed with which the star is receding from ea
Last Answer : The `6563 Å H_(2)` line emitted by hydrogen in a star is found to be red shifted by `15 ... the speed with which the star is receding from earth.
Description : A hydrogen like gas emits radiation of wavelengths `460 Å, 828 Å` and `1035Å`, only. Assume thar the atoms have only two excited states and the differ
Last Answer : A hydrogen like gas emits radiation of wavelengths `460 Å, 828 Å` and `1035Å`, only. Assume ... of the ground state and the first excited state.
Description : In hydrogen atom, an electron is revolving in the orbit of radius `0.53 Å` with `6.6xx10^(15) rotations//second`. Magnetic field produced at the centr
Last Answer : In hydrogen atom, an electron is revolving in the orbit of radius `0.53 Å` with `6.6xx10^(15) rotations//second`. ... 5 Wb//m^(2)` D. `125 Wb/m^(2)`
Description : The size of chlorophyll molecule is (a) head 15 × 15 Å, tail 25 Å (b) head 20 × 20 Å, tail 25 Å (c) head 15 × 15 Å, tail 20 Å (d) head 10 × 12 Å, tail 25 Å.
Last Answer : (c) head 15 × 15 Å, tail 20 Å
Description : Which is wrong about nucleic acids? (a) DNA is single stranded in some viruses. (b) RNA is double stranded occasionally. (c) Length of one helix is 45 Å in B-DNA. (d) One turn of Z-DNA has 12 bases
Last Answer : (c) Length of one helix is 45 Å in B-DNA
Description : Angstrom (Å) is equal to (a) 0.01 mm (b) 0.001 mm (c) 0.0001 mm (d) 0.00001 mm
Last Answer : (b) 0.001 mm
Description : What is the bond length of a carbon-carbon double bond? (a) 1.20 Å (b) 1.34 Å (c) 1.54 Å (d) 1.68 Å
Last Answer : 1.34 Å
Description : If a DNA contains 1000 base pairs, what would be its length? a) 3400 Å b) 34000 Å c) 6800 d) 1000 Å
Last Answer : a) 3400 Å
Description : For an R-S FF to change output conditions, the inputs must be in what states?
Last Answer : 1 and 0, or opposite states.
Description : What must be the logic state of R and S to produce the TRUE output?
Last Answer : Both must be 1s (HIGH) at the same time.
Description : Draw the symbol, logic expression and truth table of NOR gate.
Last Answer : symbol, logic expression and truth table of NOR gate
Description : What type of wave motion is represented by the motion of water?
Last Answer : Transverse waves.
Description : Increasing gate length in a sawtooth generator does what to linearity?
Last Answer : Decreases linearity.
Description : What is the sign of operation for the X-OR gate?
Last Answer : XOR