LOGIC GATES MCQ Objective Questions Short notes Objective questions (Answers are given below) A logic gate is an electronic circuit which(a) makes logic decision(b) allows electron flow only in one direction(c) works on binary algebra(d) alternates between 0 and 1 values. In positive logic, logic state 1 corresponds to(a) positive voltage(b) higher voltage level(c) zero … Read more
Objective Questions Short notes Objective questions (Answers are given below) Boolean algebra is essential based on(a) symbols (b) logic(c) truth (d) numbers The first person who used Boolean algebra forthe design of relay switching circuits was(a) Aristotle (b) Boole(c) Shannon (d) Ramanujam Different variables used in Boolean algebra canhvae values of(a) 0 or 1 (b) … Read more
Objective Questions Short notes Objective questions (Answers are given below) If a NAND latch has a 1 on the SET input anda 0 on the CLEAR input, then the SET inputgoes to 0, the latch will be:(a) HIGH (b) LOW(c) Invalid (d) None of these The invalid state of a NAND latch occurs when(a) S … Read more
Objective Questions Short notes Objective questions (Answers are given below) Digital instruments are those which(a) have numerical readout(b) use LED or LCD displays(c) have a circuitry of digital design(d) use deflectioin type meter movement. The main difference between the electronic andelectrical instruments is that an electronic instrumentcontains(a) an electronic device (b) a transducer(c) a digital … Read more
Objective Questions Short notes Objective questions (Answers are given below) A steel mill requires a motor having highstarting torque, wide speed range and precisespeed control. Which one of the followingmotors will you choose ?(a) d.c. shunt motor(b) synchronous motor(c) d.c. series motor(d) slip-ring induction motor. Heavy-duty steel-works cranes which havewide load variations are equipped with…………….. … Read more