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q explain cathode-ray tubewhile the crt display is one of the oldest it still remains one of the most popular display technologies the raster-scanned
q explain working of liquid-crystal displaythis display needs only microwatts of power over a thousand times less than a led and is used in such
q what are the display devicesdisplay devices can be categorized as onoff indicators numeric alphanumeric or graphical displays they may also be
q working of electrically erasable programmable romeeprom is used for remote-area applications the device is provided with special pins which when
q explain read-only memoryrom is nonvolatile because it maintains its contents even when its power is shut off and is used to store data and programs
q define memory for a digital computerfor a digital computer which stores both programs and data memory can be divided into three types random-access
q what is digital system componentsthe reason that digital systems are so inexpensive and yet so powerful is that they consist of very large
q what do you mean by sequential blocksneglecting propagation delays which are measures of how long it takes the output of a gate to respond to a
under three phase 4 wire load unbalanced distribution network how to calacualte the voltage across the load when no load resistance is specified
specific orientation programme at this stage induction is conducted by the foreman induction is specific and requires skill on the part of the
q define number systemsa number system in general is an ordered set of symbols digits with relationships defined for addition subtraction
q find the rate of information transmissionif the time occupied in transmitting each binary digit is 1 micros find the rate of information
a signal stands for 0110 with positive logic in which low stands for 0 and high stands for 1 if negative logic in which low stands for 1 and high
q advantage of digital technologythe primary advantage of digital technology is the low cost simplicity and versatility of the digital building
classification of measures measures or metrics can be classified under the following headings1 finance income shareholder value added value rates of
q applications of operational amplifiersan op amp along with a few external components resistors and capacitors is capable of performing many
find the maximum frequency of an output sine wave which can be produced at an amplitude of 15 v if the op-amp slew rate is 05
q show noise and stability of operational amplifiernoisethis refers to the small rapidly varying random spurious signals generated by all electronic
q internal frequency compensation of operational amplifiersome op amps such as the 741 have internal rc networks which are intentionally designed to
q what do you mean by output voltage swingideally this is equal to the difference between the two supply rail voltages although in practice it is a
q show maximum common-mode input voltage of amplifierthis is the maximum voltage that the two inputs can be raised above ground potential before the
q show maximum differential input voltage of amplifierthis is the maximum value of differential input voltage vp - vn that can be applied without
q define power-supply rejection ratioan op amps ability to disregard changes in power-supply voltage is measured by the power- supply rejection ratio
the constants of an amplifier are given by a 1 ri 10000 and ro 100 it is driven by a theacutevenin source with vtht vocos omegat and rth 20000
q basic introduction of analog building blockselectronic systems usually process information in either analog or digital form in order to process the