Top 350+ Solved Digital Electronics and Logic Design MCQ Questions Answer
Q. Divide ( 101110) 2 by ( 101)2.
a. quotient -1001 remainder - 001
b. quotient - 1000remainder - 001
c. quotient - 1001remainder - 011
d. quotient - 1001remainder-000
Q. Minimise the logic function (POS Form) F A,B,C,D) = PI M (1, 2, 3, 8, 9,10, 11,14)× d (7, 15)
a. f=[(b+d’)+(b+ c’)’(a’+c’)+(a’+b)]’
b. f=[(b+d’)+(b+c’)’(‘a’+c’)+ (a’+b)]’
c. f=[(b+d’)+(b+c’)’(‘a’+c’)+ (a’+b)]’
d. f=[(b+d’)+ (b+c’)’(‘a’+c’)+(a’+b)]’
Q. Reduce the following equation using k-map Y = (ABC)'+ A(CD)'+ AB'+ ABCD'+ (AB)'C
a. b\+(ad)\
b. b\
c. (ad)\
d. b\+ad
Q. Write the expression for Boolean function F (A, B, C) = m (1,4,5,6,7) in standard POS form.
a. = (a+b+c)(a+b\+c)(a+b\ +c\ )
b. = (a+b\+c)(a+b\ +c\)
c. = (a+b+c)(a+b \ +c)
d. = (a+b+c)(a+b\ +c\ )
Q. Convert the decimal number 45678 to its hexadecimal equivalent number.
a. (b26e)16
b. (a26e)16
c. (b26b)16
d. (b32e)16
Q. Reduce the following equation using k-map Y = B C' D'+ A' B C' D+ A B C' D+ A' B C D+ A B C D
a. bc’ + bd
b. bc’ + bd+a
c. bc’ + bd + ac
d. bc’ + bd + ad
Q. 8-bit 1’s complement form of –77.25 is
a. 1001101.01
b. 10110010.1011
c. 01001101.0010
d. 10110010
Q. In computers, subtraction is generally carried out by
a. 9’s complement
b. 10’scomplement
c. 1’s complement
d. 2’s compleme nt
Q. The answer of the operation (10111)2*(1110)2 in hex equivalence is
a. 150
b. 241
c. 142
d. 101011110
Q. 12-bit 2’s complement of –73.75 is
a. 01001001.1100
b. 11001001.1100
c. 10110110.0100
d. 10110110.1100