- Electronics began ____the start of twentieth century with the invention of the vacuum tube. - In a simple radio, the function of the tuner is:. - to separate off the audio part of the signal C. - In a simple radio, the function of the detector is:. - to separate off the audio part of the signal @ D. - In a simple radio, the function of the AF amplifier is : A. - to separate off the audio part of the signal D. - What is used to convert sounds into audio frequency signal?. - What is used to amplify the power of the modulated carrier wave?. - the function of the aerial is:. - to amplify the power of the modulated carrier wave. - CD is the abbreviation of___. - hi-fi is the abbreviation of_____. - Relaxing the tolerance of the resistor enables the manufacture to sell them more. - Surface or ground wave travels along the ground, following the ____of the earth’s surface.. - The related noun(s) of the verb “Absorb” is/are. - The related noun of the verb “conduct” is/are. - AF is the abbreviation of_____. - RF is the abbreviation of_____. - AM is the abbreviation of_____. - FM is the abbreviation of_____. - One of the most common effects is reverb (reverberation) which can made the music sound ___it was recorded in a very large building or a very small room.. - the word “as” in the sentence “As the disc is revolved, a laser beam is used to mark audio information pattern on its surface” means. - is/are used to control the data going in and out of the computer. - What is used for temporary storage?. - The contents of the RAM are constantly____.. - Which part of the computer controls the rest of the system and performs all the arithmetic and logic operations on the data?. - CPU is the abbreviation of. - What is used to transfer data between all the units. - What is used to send control signals from the CPU to the other unit?. - What is used to send signals from the CPU which indicates the memory and I/O locations?. - What is used to change AC voltages from small to large or from large to small?. - What is used to measure very small current?. - What is used to check the logic level in the pins of ICs?. - What is used as a part of a burglar alarm to detect movement?. - What is used for the transmission of RF signal?. - What is used for protecting circuits from surge in voltage?. - What is used to master down different recordings to make a master tape?. - What is used to find buried metal?. - What is the meaning of prefix semi-?. - What is the meaning of prefix de-?. - opposite of B. - reverse of the action@. - What is the meaning of prefix dis-?. - opposite of @ B. - reverse of the action. - What is the meaning of prefix tele-?. - What is the meaning of prefix tras-?. - What is the meaning of prefix micro-?. - What is the meaning of prefix multi-?. - is the digital switching circuit.. - is the logic gates whose output depends on the combination of its input.. - is the number of ICs used in a computer.. - scale of integration D. - is an indication of the number of components used in an IC.. - scale of integration @ D. - What is another name for a NOT gate?. - TTL is the abbreviation of. - CMOS is the abbreviation of. - VLSI is the abbreviation of. - Very Large Signal of Integration B. - Very Large Scale of Integration @ C. - Very Long Scale of Integration D. - Very Long Signal of Integration 88. - MSI is the abbreviation of. - Middle Scale of Integration B. - Medium Scale of Integration @ C. - Medium Signal of Integration D. - Middle Signal of Integration 89. - What is shown in a truth table?. - the arrangement of the gates and the function of each pin on the chip C. - What is shown in an IC pin-out diagram?. - the arrangement of the gates and the function of each pin on the chip@. - What is used to convert electrical signal into visible signal?. - ____signals are used to prevent interference from any constant infra-red background ‘noise’. - A code ___by the length and spacing of these pulses switches on the LED. - The frequency of the oscillator is set by the. - The current output of the amplifier is controlled by the resistor R3 which is connect in _____with the LED. - A magnet mounted on the moving part of the window or door ______a switch mounted on the frame when the window or door is opened.. - Which devices respond to the shock of the glass being broken?. - are fitted under the carpet-at the bottom of the stairs.. - which helps to prevent corrosion of the contacts.. - This is – the. - This is the. - Metal detectors operate on the principle of. - A microphone may be used to. - What is used to convert digital signal into analogue signal?. - What is used to convert analogue signal into digital signal?. - What is used to convert AC into DC?. - What is used to convert electronic pulse into infra-red pulse?. - We are now ____the midst of the technological evolution which started with the introduction of the micro chip in the 1970s.. - LAN is the abbreviation of
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