A Best Way To Crack Gorenment Job Exams

ECE Objective Questions { Digital Circuit and Microprocessor }



22. In negative logic, the logic state 1 corresponds to 15 ?10 037
A. negative voltage
B. zero voltage
C. more negative voltage
D. lower voltage level

23. The output of a 2-input OR gate is zero only when its
A. both inputs are 0
B. either input is 1
C. both inputs are 1
D. eigher input is 0

24. An XOR gate produces an output only when its two inputs are
A. high
B. low
C. different
D. same

25. s
A. ON
B. positive
C. high
D. OFF

26. For getting an output from an XNOR gate, its both inputs must be
A. high
B. low
C. at the same logic level
D. at the opposite logic level

27. In a certain 2-input logic gate, when A = 0, B = 0, then C= I. It must be gate.
A. XOR
B. AND
C. NAND
D. NOR

28. . Boolean algebra is essentially based on
A. symbols
B. logic
C. truth
D. numbers

Page 4 of 56

« 2 3  4  56 »

Subjects