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You Are On Multi Choice Question Bank SET 970

48501. The switching speed of CMOS is now ________.





48502. Audit fee calculated by Transport society is:





48503. The power dissipation, PD, of a logic gate is the product of the ________.





48504. A logic probe is again applied to the pins of a 7421 IC with the following results. Is there a problem with the circuit and if so, what is the problem?





48505. If a 3-input AND gate has eight input possibilities, how many of those possibilities will result in a HIGH output?





48506. The Boolean expression for a 3-input AND gate is ________.





48507. A CMOS IC operating from a 3-volt supply will consume ________.





48508. What does the small bubble on the output of the NAND gate logic symbol mean?





48509. What are the pin numbers of the outputs of the gates in a 7432 IC?





48510. The secretary of a Society may be:





48511. If the input to a NOT gate is A and the output is X, then ________.




48512. A logic probe is used to test the pins of a 7411 IC with the following results. Is there a problem with the chip and if so, what is the problem?





48513. How many inputs of a four-input AND gate must be HIGH in order for the output of the logic gate to go HIGH?





48514. If the output of a three-input AND gate must be a logic LOW, what must the condition of the inputs be?





48515. Logically, the output of a NOR gate would have the same Boolean expression as a(n):





48516. As per Sec----------every member of a society shall exercise the vote in person.





48517. What is the Boolean expression for a three-input AND gate?





48518. Which of the following gates has the exact inverse output of the OR gate for all possible input combinations?





48519. What is the difference between a 7400 and a 7411 IC?





48520. Write the Boolean expression for an inverter logic gate with input C and output Y.



48521. The output of an exclusive-OR gate is HIGH if ________.





48522. A clock signal with a period of 1 s is applied to the input of an enable gate. The output must contain six pulses. How long must the enable pulse be active?





48523. The AND function can be used to ________ and the OR function can be used to ________ .





48524. One advantage TTL has over CMOS is that TTL is ________.





48525. A 2-input NOR gate is equivalent to a ________.





48526. If a 3-input OR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?





48527. Fan-out is specified in terms of ________.





48528. How many input combinations would a truth table have for a six-input AND gate?





48529. What is the circuit number of the IC that contains four two-input AND gates in standard TTL?





48530. The terms "low speed" and "high speed," applied to logic circuits, refer to the ________.





48531. The NOR logic gate is the same as the operation of the ________ gate with an inverter connected to the output.





48532. With regard to an AND gate, which statement is true?





48533. The term "hex inverter" refers to:





48534. How many inputs are on the logic gates of a 74HC21 IC?





48535. The basic logic gate whose output is the complement of the input is the:





48536. When reading a Boolean expression, what does the word "NOT" indicate?





48537. The output of an exclusive-NOR gate is HIGH if ________.





48538. How many AND gates are found in a 7411 IC?





48539. Which of the following equations would accurately describe a four-input OR gate when A = 1, B = 1, C = 0, and D = 0?





48540. What is the name of a digital circuit that produces several repetitive digital waveforms?





48541. The basic types of programmable arrays are made up of ________.





48542. The logic gate that will have HIGH or "1" at its output when any one (or more) of its inputs is HIGH is a(n):





48543. CMOS IC packages are available in ________.





48544. Which of the following is not a basic Boolean operation?





48545. Which of the following gates is described by the expression ?





48546. What is the Boolean expression for a four-input OR gate?





48547. How many truth table entries are necessary for a four-input circuit?





48548. How many entries would a truth table for a four-input NAND gate have?





48549. The Boolean expression for a 3-input OR gate is ________.





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