Electronics Concepts

• A labeled statement consists of an identifier followed by a colon.
• An optical power meter is used to measure the power in an optical signal.
• For a superhetrodyne receiver with an intermediate frequency of 450 kHz tuned to 1200 kHz, the image frequency is 2100 kHz.

Function Definition in a Class

• When a function is defined inside a class, it is called an inline function.
• Transistors are an example of an active device.
• ROM memory can be programmed once by the user and then cannot be erased and reprogrammed.
• In a counter-type A/D converter, the conversion time almost doubles for every bit added to the device.
• FTP transmits files between computers on the Internet over TCP/IP connections.
• A field strength meter measures RF signal strength at any point of the cable.
• The return keyword transfers control from a function back to the calling function.
• Capacitors store energy in the form of electrical charges.
• Alnico is an alloy used for making permanent magnets.
• OSI stands for Open System Interconnection.
• When the peak power is 1000000 watts and the average power is 800 watts, then the duty cycle is 0.08 per cent.
• UPDATE Students SET FirstName='Ramu' WHERE FirstName='Siva' changes "Siva" into "Ramu" in the "FirstName" column in the Students table.
• Corrosion or rusting can be prevented by; electroplating, painting, and oiling.
• Four flip-flops are required in a decade counter.
• Traversal, Deletion and Insertion are operations performed on linked lists.
• The range of frequency generated by VHF oscillator is 30 MHz - 300 MHz.
• strcmp() is the built-in library function to compare two strings.
• The 8085 has two registers known as primary data pointers named H and L.
• First In First Out (FIFO) is used in a Queue.
• In an 8085 microprocessor, if the accumulator content is less than register B after executing CMP B instruction, carry flag and zero flag will be set and reset respectively.
• A concept keyboard is used in fast food stores, restaurants and shops.
• The first page normally viewed at a Website is the Home page.
• A relay controls high voltage circuits with the help of low voltage signals.
• A voltage multiplier is an electronic circuit that converts AC to DC where the DC output peak value can be greater than the AC input peak value.
• LSI (large-scale integration) is the process to design more than 100 gates on a single chip.
• A conductor is perfect with infinite electrical conductivity.
• OR logic gate is similar to function of two parallel switches.
• The drift of a hole in a semiconductor is caused by the vacancy being filled by a valence electron from a neighboring atom.
• Hydrogen is nuclear fuel in the sun.
• A transformer coupling provides the highest gain in amplifiers.
• 2^n - 2n is the number of unused states in an n-bit Johnson Counter.
• Assembler converts mnemonic code to machine code.
• The four-terminal approach eliminates the effect of leads and currents when measuring low resistance.
• A decoder changes a BCD (Binary Coded Decimal) number into an equivalent decimal number.
• The decimal number 17 requires five digits in binary notation.
• Local Area Network is not a type of internetworking.
• A varactor diode varies capacitance by changing the reverse bias.
• Cropping is the process of removing an unwanted part of an image.
• /* Comment */ is a correct comment in C++.
• Creeper is not a boot sector virus.
• Stadia is a video game streaming service from Google.
• Persistent Organic Pollutants is the full form of POPs.
• A typical 50 Hz transformer lamination is 0.35 mm thick.
• Narang Cup is associated with badminton.
• LAN, WAN, and MAN stand for Local, Wide, and Metropolitan, respectively.
• Kandaleru Dam is located in Andhra Pradesh.
• Silver has the highest electrical conductivity.
• The series resonance occurs at frequency ωs and parallel resonance at ωp in high Q-quartz, where ωs is very close but less than ωp.
• When a magnesium ribbon burns in air, the ash formed is white.
• Centrifugation separates butter from curd.
• Solid-state relays are electronic switches actuated by a small external voltage across the terminals.
• A semiconductor has generally four valence electrons.
• The component side of a PCB (Printed Circuit Board) is where the components are mounted.
• An ammeter with a 0-25 A range with 1% accuracy of full scale reading, measuring 10 A will have limiting error 2.50%.
• De-emphasis circuit brings back higher frequencies to their original level.
• The address operator is &.
• The Clamper electronic circuit changes the DC level of a signal to the desired level without changing the shape of the applied signal.
• The ratio of the mass of hydrogen to the mass of oxygen in water is always 1:8.
• The hexadecimal equivalent of the binary number (1110)2 is D.
• The server on the Internet is also known as Host.
• The emitter follower is another name for the common collector amplifier.
• The resting potential of a neuron is -70 mV.
• Rajendra Prasad was the President of the Constituent Assembly.
• 1 dB corresponds to a 26% change in power level.
• A Gateway connects multiple networks and passes packets from one to the other.
• Three resistors of 3 Ω each, when connected in parallel, yield an equivalent resistance of 1 Ω.
• The Montreal Protocol relates to substances that deplete the ozone layer.
• If two capacitors of 4 pF are connected in series, the total capacitance is 2 pF.
• Android Pie is the latest version of Android.
• Molarity is the number of moles of a solute present in one liter of the solution.
• The IC 74194 is used to make a bidirectional universal shift register.
• Semicolon (;) is a statement terminator in C.
• The heating effect of electric current is used in an electric bulb.
• Crop rotation and intercropping helps to control insects in an environment friendly way.
• The asynchronous detector is an envelope detector.
• The primary reason transformer coupling is not used in audio frequency amplifiers is that all of the options like Transfomer cost, frequency and bulky size distortion.
• ISRO rocket launch viewing has capacity of 5000 which opened in Andhra Pradesh first time.
• Wood is not a semiconductor.
• Dielectric strength is in Volts per unit thickness.
• Gallium Arsenide is the material of Gunn diode.
• Tellurium is not a halogen.
• In an electrical circuit,the current is excessive when the circuit fuse is blown and the circuit is cut-off.
• Isotropic antenna is the reference antenna for the directiveness. ISDN: Integrated Services Digital Network.
• Symmetrical Square wave RMS vale and mean is same.
• In 8085A,the program counter is used to address of memory to track next op-code of run program.
• Strcrhr() string funcion last occurance.
• The ripple factor of fullwave bridge rectifier is 0.482.
• Iodine isotope is used in the treatment of Goitre.
• Applets are written in Java programming language.
• The National Green Tribunal (NGT) was established in 2010.
• In half wave rectifier , One diode is required
• For concave lens with -0.5 D the focal length is -2m.
• Standard range of Integer in 'int' type is -32768 to +32767.
• Ultra sonic used are sent trhough the body. For ultra sound scanner to find abnormalities it sends the reflection of frequency from the tissue.
• A country that longest coast line of in India is Gujrat.
• The base of octal number system is 8.
• Sonal Mansingh is a Classical indian dancer.
• Madan Mohan Malaviya founded founded the Banaras Hindu University.
• A double beam oscilloscope has Two electron guns.
• Choppers convert fixed DC to variable DC.
• Process of transferring data electronically is known as Data communication.
• Nearest start to earth with in Sun is alpha Centauri.
• Conductance is the reciprocal of resistence.
• Gravitatinal constant is M3s-2kg-1.
• India first global Mefa exhibition with Samogan in Mumbi.
• liner.
• Additivy applies.
• thesafest landder for electrical work is Aluminium.
• ellispe Atrribute for a E-R.
• Silver which is material has highest electrical conductivity.
• Silver has the high Electrical conductor.
• High quardz crystal where Ws is in WP when it in the resonance.
• when megnesium with Burn air the whiteash its form.
• The buttor separated in method for cerntrifugation.
• When the are electonice Swath that a actuated is calied Solid state.
• General has four elevet.
• Component the pcb to connect.
• The de-emmphasis to brigback the orgginal lover.
• Clamper is signal to decired level.
• In Water the hydrgens the oxygen with 1:8.
• The interenet in the known what Host.
• Emmitor the follower another to collet.
• Nerrion -70mm potential reatinng.
• Rajindra Prashard. persidant consititut.
• Gatteway is device that multi network.
• The Ozoen is the Montreal Portocal to the Substancd .
• In serial of 4pf the Capacitance 2 Pf