Description : Complex Programmable Logic Devices (CPLD)
Answer :
Complex Programmable Logic Devices (CPLD) CPLDs are the collection of SPLD structures which are interconnected via multiplexer or switch matrix. CPLD consists of number of logic blocks or ... timing characteristics. CPLD are use in cost sensitive application and it have low power usage.
Description : Simple Programmable Logic Devices
Answer :
Simple Programmable Logic Devices (SPLD) There are three main types of SPLD architecture Programmable Logic Array (PLA), Programmable Array Logic (PAL) and Generic Array Logic (GAL). SPLD is made ... ). PAL can not be reconfigured. GAL uses EEPROM configuration so it can be reconfigured.
Description : Explain with block diagram the working of programmable logic control system. (PLC).
Answer :
Programmable logic controller: Block diagram: OR Explanation: PLCs are industrially hardened microcomputers that perform discrete or continuous control functions in a variety ... provides an interface between the PLC and user during program development, start-up and trouble shooting
Description : Draw the block diagram of Programmable Logic Array.
Answer :
block diagram of Programmable Logic Array
asked
Jul 14, 2019
by
anonymous
Description : Explain the role of watch dog timer in programmable logic controller.
Answer :
Watch dog timer is a type of timer used to protect maloperation of PLC. It independently works( starts counting internal clock pulses) each time when PLC starts its execution. User program ... or some unknown condition, then watch dog timer overflows and generates nonmaskable interrupt to reset PLC.
asked
Sep 2, 2018
by
anonymous
Description : Explain how a Programmable Logic Controller (PLC) is different from an ordinary personal computer. Also write the advantages and disadvantages of PLC.
Answer :
PLC PC 1 It has embedded processor with limited computing power It has a CPU with high computing power 2 Design of PLC is for reliable operation in industrial ... 3) Use of PLCs may be restricted in some high heat, vibration environment not suitable for electronic circuit
asked
Sep 2, 2018
by
anonymous
Description : Field Programmable Gate Array (FPGA)
Answer :
Field Programmable Gate Array (FPGA) FPGA is field programmable gate array. FPGA are PLDs which are made from interconnected small macro cells. It is made from logic cells. Logic ... . Volatile. Large number of pins. Slow design software. Don't provide fix delay.
Description : What device is similar to an RTD but has a negative temperature coefficient? A) Strain gauge B) Thermistor C) Negative-type RTD D) Thermocouple
Answer :
What device is similar to an RTD but has a negative temperature coefficients
asked
Apr 9, 2018
by
anonymous
Description : The fastest logic family among the below given ones is A) TTL B) ECL C) CMOS D) I 2 L
asked
Apr 9, 2018
by
anonymous
Description : A functionally complete operation set of logic gates is A) AND and NOT B) OR and NOT C) AND and OR D) EXOR and AND
asked
Apr 9, 2018
by
anonymous
Answer :
A Gate is a logic circuit with one or more inputs, but only One output
asked
Mar 29, 2018
by
anonymous
Description : Which of the following device is used for coupling microwave energy? A) Resonator B) Waveguide C) Loop D) Antenna
Answer :
Which of the following device is used for coupling microwave energy? A) Resonator B) Waveguide C) Loop D) Antenna
asked
Jun 18, 2018
by
anonymous
Description : Which of the following is a negative-resistance microwave device for oscillator applications? A) IMPATT Diode B) Gunn Diode C) Snap diode D) Schottky Diode
Answer :
Which of the following is a negative-resistance microwave device for oscillator applications? A) IMPATT Diode B) Gunn Diode C) Snap diode D) Schottky Diode
asked
Jun 18, 2018
by
anonymous
Description : The device used for voltage regulator is
Answer :
The device used for voltage regulator is zener diode
asked
May 14, 2018
by
anonymous
Description : A snubber circuit is connected to the power semiconductor device to reduce the (A) turn-on time (B) turn-off time (C) electrical stresses (D) thermal resistance
Answer :
A snubber circuit is connected to the power semiconductor device to reduce the electrical stresses
asked
Apr 28, 2018
by
anonymous
Description : The microwave device working on the principal of Faraday rotation is called as: a. Rotary joint b. Circulator c. Isolator d. None of these
asked
Apr 12, 2018
by
anonymous
Description : Which of the following is a Read Only Memory storage device? A. Floppy Disc B. Hard Disc C. CD ROM D. None of these
Answer :
Which of the following is a Read Only Memory storage device? CD ROM
asked
Apr 12, 2018
by
anonymous
Description : PLAs, CPLDs, and FPGAs are all which type of device? (1) SLD (2) PLD (3) EPROM (4) SRAM
Answer :
PLAs, CPLDs, and FPGAs are all PLD type of device.
asked
Apr 9, 2018
by
anonymous
Description : In a strain measuring device, using a strain gauge, the output quantity is A) Voltage B) resistance C) Impedance D) either A) or B)
Answer :
In a strain measuring device, using a strain gauge, the output quantity is Voltage
asked
Apr 9, 2018
by
anonymous
Description : A device with slowest switching speed is A) LED B) LCD C) Nixie tubes D) None of the above
asked
Apr 9, 2018
by
anonymous
Description : The device complexity is highest for memory A) Flash B) EEPROM C) PROM D) EPROM
asked
Apr 9, 2018
by
anonymous
Answer :
A FET is essentially a Voltage driven device
asked
Mar 29, 2018
by
anonymous
Description : Why BJT is a current control device?
Answer :
BJT have three terminal emitter, base and collector. The collector current is the output current. The collector current (Ic) is controlled by base current hence BJT is called current controlled device.
asked
Jan 5, 2018
by
anonymous
Answer :
In BJT there is movement of electrons and holes accros the junctions which is basicaly current flow.
asked
Sep 10, 2017
by
anonymous
Answer :
No, BJT is a current controlled device .
asked
Sep 10, 2017
by
anonymous
Description : which device converts sound to electricity ?
Answer :
Microphone converts sound to electricity.
Description : RAM is used as a short memory in a computer because it: (1) Is volatile (2) Is programmable (3) Has less capacity (4) Is very expensive
Answer :
Is volatile
Description : Programmable unijunction transistor (PUT)
asked
Jun 11, 2020
by
anonymous
Description : Blackt Electrotech 230V 24x7 Energy Saving Socket Type Digital Programmable Plastic Electronic Timer (White)
Answer :
Buy from amazon: https://amzn.to/2SUTSdv Buy: http://bit.ly/2ZqlAkS
asked
Aug 1, 2019
by
anonymous
Description : To establish a communication between 8085 microprocessor and 8255 Programmable Peripheral Interface chip. the status of the chip select input would be (a) TRISTATE (b) HIGH (b) LOW (d) DON’T CARE
Answer :
To establish a communication between 8085 microprocessor and 8255 Programmable Peripheral Interface chip. the status of the chip select input would be (a) TRISTATE (b) HIGH (b) LOW (d) DON’T CARE
asked
May 15, 2018
by
anonymous
Description : The Intel 8212 is an - non programmable I/O port 1. 4 - bit 2. 8 - bit 3. 16 - bit 4. 32 – bit
Answer :
The Intel 8212 is an - non programmable I/O port 8 - bit
asked
May 13, 2018
by
anonymous
Description : The Intel 8259 is a - chip programmable interrupt controller 1. Single 2. Double 3. Triple 4. All of the above
Answer :
The Intel 8259 is a - chip programmable interrupt controller Single
asked
May 13, 2018
by
anonymous
Description : Programmable Logical controllers are the devices that were invented basically to replace (a) Switches (b) Circuit Breakers (c) Relays (d) None of the above
asked
Apr 10, 2018
by
anonymous
Description : Standard Commands for Programmable Instruments (SCPI)
Answer :
Standard Commands for Programmable Instruments (SCPI) SCPI stands for Standard Commands for Programmable Instruments it is often pronounced as Skippy. SCPI is a instrument language that control the ... is for storing data in instrument. Display : for presentation.
Description : What is the full form of ALU ? (1) Alternative Logic Unit (2) Arithmetic Logic Unit (3) Arithmetic Least Unit (4) Arithmetic Local Unit
Answer :
Arithmetic Logic Unit
Description : What is not true in the context of “Don’t Care Condition” in digital logic ? (A) It corresponds to combination of logic variables whose value is not defined (B) It can be assumed to be 0 or 1 (C) It can be assumed to be 1 only (D) It helps in simplification of logic function
Answer :
What is not true in the context of “Don’t Care Condition” in digital logic ? (A) It corresponds to combination of logic variables whose value is not defined (B) It can be assumed to be 0 or 1 (C) It can be assumed to be 1 only (D) It helps in simplification of logic function
asked
May 12, 2018
by
anonymous
Description : What is logic analyser?
Answer :
Logic analyser is the extension of Oscilloscope. Logic analyser is used for troubleshooting digital circuits. Logic analyser can store digital data and it have 8 to 64 channels. Logic analyser are used for Hardware verification, fault analysis and automated testing.
asked
May 6, 2018
by
anonymous
Description : What is VLSI logic design?
asked
Mar 11, 2018
by
anonymous
Description : What is Defuzzification in fuzzy logic?
asked
Mar 10, 2018
by
anonymous
Description : What is the membership function in fuzzy logic?
asked
Mar 10, 2018
by
anonymous
Description : What is fuzzy logic in a washing machine?
asked
Mar 10, 2018
by
anonymous
Description : What is crisp logic?
asked
Mar 10, 2018
by
anonymous
Description : What is fuzzy logic algorithms?
asked
Mar 10, 2018
by
anonymous
Description : What is the propagation delay of a logic gate?
Answer :
The application input pulse and the occurrence of resulting output pulse is called propagation delay of logic gate.
asked
Dec 16, 2017
by
anonymous
Description : Fuzzy Logic
Answer :
Fuzzy LogicFuzzy Logic
Description : The CPU of a system having 1 MIPS execution rate needs 4 machine cycles on an average for executing an instruction. The fifty percent of the cycles use memory bus. A memory read/write employs one machine cycle. For execution of the programs, the system utilizes 90 percent of the CPU time. For block data transfer, an IO device is ... transfer rate if programmed IO data transfer technique is used? (A) 500 Kbytes/sec (B) 2.2 Mbytes/sec (C) 125 Kbytes/sec (D) 250 Kbytes/sec
Answer :
(D) 250 Kbytes/sec
Description : What is clickjacking ? (1) Malicious technique of tricking Web usear into revealing confidential information (2) A device that sends and receives data in a bit second (3) A form of Computer Engineering (4) A digital process that is used to display an image on monitor
Answer :
Malicious technique of tricking Web usear into revealing confidential information
Description : What is an endoscope ? (1) It is an optical instrument used to see inside the alimentary canal (2) It is a device which is fitted on the chest of the patient to regularise the irregular heart beats (3) It is an instrument used for examining ear disorders (4) It is an instrument for recording electrical signals produced by human muscles
Answer :
It is an optical instrument used to see inside the alimentary canal
Description : What is the name of the device used to convert alternating current into direct current ? (1) Ammeter (2) Galvanometer (3) Rectifier (4) Transformer
Answer :
Rectifier
