48451. The term buffer/driver signifies the ability to provide low output currents to drive light loads.
48452. PMOS and NMOS ________.
48453. Why is the operating frequency for CMOS devices critical for determining power dissipation?
48454. Ten TTL loads per TTL driver is known as:
48455. The problem of different current requirements when CMOS logic circuits are driving TTL logic circuits can usually be overcome by the addition of:
48456. Sufficient Stamp should be affixed if the value exceeds:
48457. The high input impedance of MOSFETs:
48458. The output current capability of a single 7400 NAND gate when HIGH is called ________.
48459. The time needed for an output to change from the result of an input change is known as:
48460. The problem of interfacing IC logic families that have different supply voltages (VCC's) can be solved by using a:
48461. What is the advantage of using low-power Schottky (LS) over standard TTL logic?
48462. When is a level-shifter circuit needed in interfacing logic?
48463. A TTL totem-pole circuit is designed so that the output transistors:
48464. The most common TTL series ICs are:
48465. Who founded the Banaras Hindu University?
48466. Which family of devices has the characteristic of preventing saturation during operation?
48467. How many 74LSTTL logic gates can be driven from a 74TTL gate?
48468. What is the difference between the 74HC00 series and the 74HCT00 series of CMOS logic?
48469. From the following specifications determine the fan-out for the logic family.
48470. Why are the maximum value of VOL and the minimum value of VOH used to determine the noise margin rather than the typical values for these parameters?
48471. What is the standard TTL noise margin?
48472. How can ECL have both a NOR and an OR output?
48473. Which logic family is characterized by a multiemitter transistor on the input?
48474. How is the speed–power product of a logic family determined?
48475. The problem of the VOH(min) of a TTL IC being too low to drive a CMOS circuit and meet the CMOS requirement of VIH(min) is usually easily overcome by:
48476. How does the 4000 series of CMOS logic compare in terms of speed and power dissipation to the standard family of TTL logic?
48477. What should be done with unused inputs to a TTL NAND gate?
48478. ----------audit is a recently developed techniques adopted by the co-operative department.
48479. In ECL, the HIGH and LOW levels are determined by which transistor in a differential amplifier is conducting more.
48480. Propagation delay in TTL is due to slow switching speeds.
48481. In TTL the noise margin is between 0.8 V and 0.4 V.
48482. The AND is the simplest of the gates, requiring the least amount of circuitry to implement in TTL.
48483. A typical fan-out for most TTL is 9.
48484. The basic part numbers of ICs are the same regardless of the manufacturer because digital logic ICs have been standardized.
48485. Schottky logic overcomes the saturation and stored charge problem by placing a Schottky diode across the base-to-collector junction.
48486. Interfacing (74HCMOS to 74ALSTTl or 74TTL to 74LSTTL) can be done with no danger.
48487. A pulse is not perfectly square; it takes time for the digital level to rise from 0 up to 1 and to fall from 1 down to 0.
48488. PMOS and NMOS are commonly used for small memories and microprocessors.
48489. What is unique about TTL devices such as the 74SXX?
48490. In ---------kerala Land Reforms Act was passe
48491. Why must CMOS devices be handled with care?
48492. Special handling precautions should be taken when working with MOS devices. Which of the following statements is not one of these precautions?
48493. What should be done to unused inputs on TTL gates?
48494. The output of an OR gate with three inputs, A, B, and C, is LOW when ________.
48495. Which of the following logical operations is represented by the + sign in Boolean algebra?
48496. Output will be a LOW for any case when one or more inputs are zero for a(n):
48497. How many pins does the 4049 IC have?
48498. Which of the following choices meets the minimum requirement needed to create specialized waveforms that are used in digital control and sequencing circuits?
48499. TTL operates from a ________.
48500. The output of a NOR gate is HIGH if ________.