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1) Which form of transition results into an existence of a dynamic hazard in synchronous designing? a. 0 → 1 → 0 → 1 b. 0 → 0 → 0 → 1 c. 1 → 0 → 0 → 0 d. 1 → 0 → 1 → 0
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2) Which among the following controls the frequency of onboard multiplex oscillator in 4-digit ICM 7217A LED display? a. Resistor b. Digit Driver c. Capacitor d. Segment Decoder
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3) Which stage of software designing involves the processes of assembling, compiling, linking and downloading? a. Program Design b. Program Coding c. Software Structure d. Testing & Debugging
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4) Which among the below mentioned assertions is not a module design criteria for dividing problem into small modulus? a. Number of modules should be unlimited or infinite b. Decision-making should be restricted to higher level module c. A single entry and exit point should exist for interfacing with various modules d. Modules should be compiled separately
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5) Which among the below stated flowchart symbols belongs to the category of control flow diagrams? a. Process box b. Program terminator c. Program flow arrow d. Off-page connector
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6) What does the word “End do” in a pseudo code imply? a. End of decision block b. End of repetition block c. End of program d. All of the above
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7) Which terminology of PCB represents a thin photo-sensitive polymer by supporting photographic pattern of single traces or IC pads for etching? a. Prepreg b. Etching c. Photo-resist d. Solder mask
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8) The actual cost of PCB can be evaluated on the basis of ________ a. PCB size & material b. Number of layers c. Vias on PCB d. All of the above
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9) Which factors contribute to the occurrence of mechanical stress? a. Resonance b. Cracked Solder Joints c. Both a and b d. None of the above
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10) Which type of PCB requires minimum soldering on component side in order to avoid replacement oriented difficulties? a. Single-sided PCB b. Double-sided PCB c. Both a and b d. None of the above
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11) What effects can be observed if the separate power and ground planes are provided with large conducting surfaces for better decoupling in PCB layouts? a. Increase in self-inductance b. Reduction in self-inductance c. Stability in self-inductance d. None of the above
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12) Which problems are about to occur if PCB is not designed properly in a confined manner for digital circuits?
A. Diffraction B. Refraction C. Ground & Supply-line Noise D. Electromagnetic Interference a. A & B b. B & C c. C & D d. A, B, C, D
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13) Which among the following is a terrestrial navigation system that utilizes low frequency radio transmitters and the time interval received from several radio signals in order to determine the position of ship or an aircraft? a. LORAN b. Amateur Radio c. Both a and b d. None of the above
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14) Fractional bandwidth basically refers to the bandwidth of device, which gets divided by __________ a. Initial frequency b. Centre frequency c. Final or (eventual) frequency d. None of the above
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15) Free Space Path Loss (FSPL) is proportional to the square of _________ a. The distance between transmitter and receiver b. The frequency of radio signal c. Both a and b d. None of the above
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16) Which among the below mentioned assertions is not a reason responsible for the occurrence of fading? a. Relative motion between transmitter and receiver b. Variation in the distance of transmitter and receiver c. Stability (no change) in environmental characteristics of signal path d. Presence of multiple signal path
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17) What is the range of SINAD numbers associated with the threshold for reasonable intelligibility of voice especially in SINAD measurement system? a. 12 dB to 20 dB b. 22 dB to 30 dB c. 32 dB to 40 dB d. 42 dB to 50 dB
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18) Which among the design characteristics of MUX specifies that the two channels can never be connected instantaneously? a. Transfer error b. Crosstalk c. Throughput rate d. Break before make switching
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19) The requisite amount of time for output in order to track an input within the specific error band after delivering the sample command while designing sample and hold circuitry is known as ___________ a. Aperture time b. Hold mode settling time c. Acquisition time d. Sampling time
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20) Which type of voltage regulator exhibits an excessive power dissipation in a series pass transistor? a. Linear b. Switching c. Both a and b d. None of the above
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