VLSI Test   Which one of the following has the lowest power dissipation? a. MOS b. bipolar c. GaAs d. CMOS Under what condition does the Frenkel defect take place? a. A vacancy in the lattice created due to a…

Digital Signal Processing Test   The fundamental period of signal 10sin(12πt) + 4sin(18πt) is______. a. 2/3 Sec b. 1/2 Sec c. 1/3 Sec d. 1/4 Sec The sampling theorem holds true for the following condition________. (Note: Here ‘fs’ is the…

Integrated Circuits Test   The weight of the most significant bit (MSB) is: a. twice the stable reference voltage. b. thrice the stable reference voltage. c. half the stable reference voltage. d. equal to the stable reference voltage. If the…

Digital Imaging Test   Which of the following is not a model of image representation? a. Perception model b. Local model c. Memory model d. Global model A certain oscilloscope with a 4cm by 4cm screen has its sweep output…

Electronic Design Test   The transistor equivalent of the thyratron tube is _____. a. SCR b. UJT c. Diac d. Triac The loop gain of the oscillator to start with is _____. a. slightly more than one b. more than…

PCB Design Test   When two transmission lines are placed close to each other, they are said to be coupled. This coupling can be used to built a. band pass filters b. band elimination filters c. directional couplers d. All…

Digital Electronics Test   When a large number of analog-signals are to be converted to the digital form, the most suitable ADC is _________ converter. a. a forward-counter type b. an up/down counter c. a simultaneous type ADC d. a…

Semiconductor Electronics Test   The ideal value of the stability factor is ______________. a. 0 b. 10 c. 1 d. 100 A 3-ohm load is coupled to a transistor amplifier through a step-down transformer. If the D.C resistance of the…