Go To Top Reset
<<= Back
Next =>>
You Are On Multi Choice Question Bank SET 1213
60651. Each "1" entry in a K-map square represents:
(A): a HIGH for each input truth table condition that produces a HIGH output. (B): a HIGH output on the truth table for all LOW input combinations. (C): a LOW output for all possible HIGH input conditions.
60652. Looping on a K-map always results in the elimination of:
(A): variables within the loop that appear only in their complemented form. (B): variables that remain unchanged within the loop. (C): variables within the loop that appear in both complemented and uncomplemented form. (D): variables within the loop that appear only in their uncomplemented form.
60653. What will a design engineer do after he/she is satisfied that the design will work?
(A): Put it in a flow chart (B): Program a chip and test it (C): Give the design to a technician to verify the design (D): Perform a vector test
60654. Based on the indications of probe A in the figure given below, what is wrong, if anything, with the circuit?
(A): The logic probe is unable to determine the state of the circuit at that point and is blinking to alert the technician to the problem. (B): The output appears to be shorted to Vcc, but is being pulsed by the pulser. (C): The output appears to be LOW, but is being pulsed by the pulser. (D): Nothing appears to be wrong at that point.
60655. What is the indication of a short on the input of a load gate?
(A): Only the output of the defective gate is affected. (B): There is a signal loss to all gates on the node. (C): The affected node will be stuck in the LOW state. (D): There is a signal loss to all gates on the node, and the affected node will be stuck in the LOW state.
60656. In HDL, LITERALS is/are:
(A): digital systems. (B): scalars. (C): binary coded decimals. (D): a numbering system.
60657. Which of the following expressions is in the sum-of-products form?
(A): (A + B)(C + D) (B): (AB)(CD) (C): AB(CD) (D): AB + CD
60658. The carry propagation can be expressed as ________.
(A): Cp = AB (B): Cp = A + B
60659. Which of the K-maps given below represents the expression X = AC + BC + B?
(A): a (B): b (C): c (D): d
60660. A decoder can be used as a demultiplexer by ________.
(A): tying all enable pins LOW (B): tying all data-select lines LOW (C): tying all data-select lines HIGH (D): using the input lines for data selection and an enable line for data input
60661. How many 4-bit parallel adders would be required to add two binary numbers each representing decimal numbers up through 30010?
(A): 1 (B): 2 (C): 3 (D): 4
60662. The horizontal projection of head or sill beyond the face of the frame of door or window is--------
(A): Sash (B): Mullion (C): Horn (D): Louver
60663. For a two-input XNOR gate, with the input waveforms as shown below, which output waveform is correct?
(A): a (B): b (C): c (D): d
60664. A certain BCD-to-decimal decoder has active-HIGH inputs and active-LOW outputs. Which output goes LOW when the inputs are 1001?
(A): 0 (B): 3 (C): 9 (D): None. All outputs are HIGH.
60665. Solve the network in the figure given below for X.
(A): A + BC + D (B): ((A + B)C) + D (C): D(A + B + C) (D): (AC + BC)D
60666. A full-adder has a Cin = 0. What are the sum () and the carry (Cout) when A = 1 and B = 1?
(A): = 0, Cout = 0 (B): = 0, Cout = 1 (C): = 1, Cout = 0 (D): = 1, Cout = 1
60667. What type of logic circuit is represented by the figure shown below?
(A): XOR (B): XNOR (C): XAND (D): XNAND
60668. The triangular upper part of a wall formed at the end of a pitched roof is called
(A): Eaves (B): Gable (C): Hip (D): Jack
60669. The design concept of using building blocks of circuits in a PLD program is called a(n):
(A): hierarchical design. (B): architectural design. (C): digital design. (D): verilog.
60670. When adding an even parity bit to the code 110010, the result is ________.
(A): 1110010 (B): 1111001 (C): 110010 (D): 001101
60671. Which of the following combinations of logic gates can decode binary 1101?
(A): One 4-input AND gate (B): One 4-input AND gate, one OR gate (C): One 4-input NAND gate, one inverter (D): One 4-input AND gate, one inverter
60672. What is the indication of a short to ground in the output of a driving gate?
(A): Only the output of the defective gate is affected. (B): There is a signal loss to all load gates. (C): The node may be stuck in either the HIGH or the LOW state. (D): The affected node will be stuck in the HIGH state.
60673. How many outputs would two 8-line-to-3-line encoders, expanded to a 16-line-to-4-line encoder, have?
(A): 3 (B): 4 (C): 5 (D): 6
60674. An encoder in which the highest and lowest value input digits are encoded simultaneously is known as a priority encoder.
(A): True (B): False
60675. Three select lines are required to address four data input lines.
(A): True (B): False
60676. Single looping in groups of three is a common K-map simplification technique.
(A): True (B): False
60677. In true sum-of-products expressions, the inversion signs cannot cover more than single variables in a term.
(A): True (B): False
60678. A combinatorial logic circuit has memory characteristics that "remember" the inputs after they have been removed.
(A): True (B): False
60679. A data selector is also called a demultiplexer.
(A): True (B): False
60680. A digital circuit that converts coded information into a familiar or non-coded form is known as an encoder.
(A): True (B): False
60681. An exclusive-OR gate will invert a signal on one input if the other is always HIGH.
(A): True (B): False
60682. The following combination is correct for an EVEN parity data transmission system: data = 100111100 and parity = 0
(A): True (B): False
60683. The CASE control structure is used when an expression has a list of possible values.
(A): True (B): False
60684. Even parity is the condition of having an even number of 1s in every group of bits.
(A): True (B): False
60685. The look-ahead carry method suffers from propagation delays.
(A): True (B): False
60686. The Boolean equation results from this Karnaugh map.
(A): True (B): False
60687. A pull-up resistor is a resistor used to keep a given point in a circuit HIGH when in the active state.
(A): True (B): False
60688. The simplified form of .
(A): True (B): False
60689. In an even-parity system, the following data will produce a parity bit = 1.data = 1010011
(A): True (B): False
60690. The following combination is correct for an ODD parity data transmission system: data = 011011100 and parity = 0
(A): True (B): False
60691. The XOR gate will produce a HIGH output if only one but not both of the inputs is HIGH.
(A): True (B): False
60692. When decisions demand one of many possible actions, the ELSIF control structure is used.
(A): True (B): False
60693. The K-map provides a "graphical" approach to simplifying sum-of-products expressions.
(A): True (B): False
60694. The 54 prefix on ICs indicates a broader operating temperature range, generally intended for military use.
(A): True (B): False
60695. This is an example of a POS expression:
(A): True (B): False
60696. The abbreviation for an exclusive-OR gate is XOR.
(A): True (B): False
60697. In an even-parity system, the parity bit is adjusted to make an even number of one bits.
(A): True (B): False
60698. The Boolean equation of the exclusive-NOR function is .
(A): True (B): False
60699. To implement the full-adder sum functions, two exclusive-OR gates can be used.
(A): True (B): False
60700. The input at the 1, 2, 4, 8 inputs to a 4-line to 16-line decoder with active-low outputs is 1110. As a result, output line 7 is driven LOW.
(A): True (B): False
<<= Back
Next =>>
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web SolutionsPrivacy | Terms And Conditions
Powered By:Omega Web Solutions