All questions Solve 1. 2.3.4.5.6.7

Tick V for correct answer (1) De Morgan Theorem is characterized by: (a) Complement to the Distributive First Law. (b) Useful in reducing logical expressions. (c) May bandle logical systems having up to 6 variables only. (d) All of the above. (2) In Karnaugh mapping method for minimization, picking up larger loops means: (a) Minimum number of terms. (b) Low level prime implicants (PIS). (c) Minimum number of bits in a PI. (d) All of the above. (3) For a basic S-R flip-flop, pick up the FALSE statement from the following: (a) It is stable if (=Q.. (b) It is a statie memory element. (e) Long lasting input is required to produce change at the output. (d) It is unacceptable to apply 1 at Sand R simultaneously. (4) Producing a digital signal at the output in direct proportion to the analogue signal applied at the input means: (a) Encoding (b) Decoding. (c) Process of approximation. (d) None of the above. (5) For a multi-stage binary counter, S and R terminals get their signals from: (a) User. (b) Previous stages. (e) T-terminal train of pulses. (d) None of the above. ( The ideal operational amplifier is characterized by: (a) Output signal is in the same direction as input signal. (b) Input and output signals are in a.e. forms. (c) The ratio between output and input signals is finite. (d) None of the above. (7) Precision weighted resistors are required to realize: (a) Full-wave rectification. (b) DAC processing. (c) Transistor bias voltage. (d) None of the above. page 1/5