60551. How many possible outputs would a decoder have with a 6-bit binary input?
60552. Most demultiplexers facilitate which type of conversion?
60553. The inputs/outputs of an analog multiplexer/demultiplexer are:
60554. Why can a CMOS IC be used as both a multiplexer and a demultiplexer?
60555. One application of a digital multiplexer is to facilitate:
60556. The primary use for Gray code is:
60557. Why is a demultiplexer called a data distributor?
60558. What is the status of the inputs S0, S1, and S2 of the 74151 eight-line multiplexer in order for the output Y to be a copy of input I5?
60559. One way to convert BCD to binary using the hardware approach is:
60560. A microcontroller differs from a microprocessor in that it has several ________ ports and ________ built into its architecture, making it better suited for ________ applications.
60561. How is an encoder different from a decoder?
60562. Why is the Gray code more practical to use when coding the position of a rotating shaft?
60563. For the following conditions on a 7485 magnitude comparator, what will be the state of each of the three outputs? A0 = 0B0 = 1IA < B = 0 A1 = 1B1 = 0IA = B = 1 A2 = 1B2 = 0IA > B = 0 A3 = 0B3 = 0
60564. When two or more inputs are active simultaneously, the process is called:
60565. A binary code that progresses such that only one bit changes between two successive codes is:
60566. Which of the following is not a weighted value positional numbering system:
60567. How many inputs are required for a 1-of-16 decoder?
60568. A truth table with output columns numbered 0–15 may be for which type of decoder IC?
60569. In a BCD-to-seven-segment converter, why must a code converter be utilized?
60570. How can the active condition (HIGH or LOW) or the decoder output be determined from the logic symbol?
60571. If two inputs are active on a priority encoder, which will be coded on the output?
60572. A circuit that responds to a specific set of signals to produce a related digital signal output is called a(n):
60573. How many 74184 BCD-to-binary converters would be required to convert two complete BCD digits to a binary number?
60574. How many select lines would be required for an 8-line-to-1-line multiplexer?
60575. In a multiplexer, the data select control inputs are responsible for determining which data input is selected to be transmitted to the data output line.
60576. Before you can make a design you must decide if you want an active-HIGH output.
60577. The microcontroller needs to use only three input lines to monitor eight separate points.
60578. A BCD is used for communication between a computer and a human being because it is too easy to deal with arithmetically.
60579. A demultiplexer takes a dual input data value and routes it to one of several outputs.
60580. The digit bus and display bus are each just a common set of conductors shared by the digit storage registers and display segments.
60581. The basic comparator evaluates two binary strings bit by bit and always outputs a 1.
60582. In a priority encoder, the input with the highest priority is represented on the output.
60583. Exclusive-AND gates are needed for conversions between Gray code and binary code.
60584. The 74154 is a 1-of-16 decoder. It accepts a 4-bit binary input.
60585. How many outputs are on a BCD decoder?
60586. In a Gray code, each number is 3 greater than the binary representation of that number.
60587. Use the weighting factors to convert the following BCD numbers to binary. 01010011001001101000
60588. Which digital system translates coded characters into a more useful form?
60589. From the following list of input conditions, determine the state of the five output leads on a 74148 octal-to-binary encoder. I0 = 1 I3 = 1 I6 = 1 I1 = 1 I4 = 0 I7 = 1 I2 = 1 I5 = 1 EI = 0
60590. Before an SOP implementation, the expression would require a total of how many gates?
60591. The following waveform pattern is for a(n) ________.
60592. Implementing the expression with NOR logic, we get:
60593. A 4-variable AND-OR-Invert circuit produces a 0 at its Y output. Which combination of inputs is correct?
60594. ”M_{10}”grade of concrete stands for--------
60595. To implement the expression , it takes one OR gate and ________.
60596. One positive pulse with tw = 75 µs is applied to one of the inputs of an exclusive-OR circuit. A second positive pulse with tw = 15 µs is applied to the other input beginning 20 µs after the leading edge of the first pulse. Which statement describes the output in relation to the inputs?
60597. How many AND gates are required to implement the Boolean expression, ?
60598. How many NOT gates are required to implement the Boolean expression, ?
60599. The inverter can be produced with how many NAND gates?
60600. A 4-variable AND-OR circuit produces a 0 at its Y output. Which combination of inputs is correct?
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