Top 250+ Solved Mechatronics MCQ Questions Answer
Q. In register address mode, the operand is stored in
a. 8-bit general purpose register
b. 16-bit general purpose register
c. si or di
d. all of the mentioned
Q. In which of the following addressing mode, the offset is obtained by adding displacement and contents of one of the base registers?
a. direct mode
b. register mode
c. based mode
d. indexed mode
Q. In which of the following addressing mode, the offset is obtained by adding displacement, with the contents of SI?
a. direct mode
b. register mode
c. based mode
d. indexed mode
Q. The address of a location of the operand is calculated by adding the contents of any of the base registers, with the contents of any of index registers in
a. based indexed mode with displacement
b. based indexed mode
c. based mode
d. indexed mode
Q. Which of the following is not a data type of 80286?
a. ordinal or unsigned
b. ascii
c. packed bcd
d. none of the mentioned
Q. The representation of 8-bit or 16-bit signed binary operands using 2’s complement is a data type of
a. ordinal
b. ascii
c. packed bcd
d. integer
Q. The instruction that pushes the general purpose registers, pointer and index registers on to the stack is
a. popf
b. push imd
c. push*a
d. pushf
Q. While executing the PUSH*A instruction, the stack pointer is decremented by
a. 1 bit
b. 2 bits
c. 4 bits
d. 16 bits
Q. The statement that is true for the instruction POP*A is
a. flags are unaffected
b. no operands are required
c. exceptions generated are same as that of push*a
d. all of the mentioned
Q. The instruction that multiplies the content of AL with a signed immediate operand is
a. mul
b. smul
c. imul
d. none of the mentioned
Q. The instruction that represents the ‘rotate source, count’ is
a. rcl
b. rcr
c. ror
d. all of the mentioned
Q. 8051 microcontrollers are manufactured by which of the following companies?
a. atmel
b. philips
c. intel
d. all of the mentioned
Q. D-Alembert’s principle is used for which of the following?
a. change static problem into a dynamic problem
b. change dynamic problem to static problem
c. to calculate moment of inertia of rigid bodies
d. to calculate angular momentum of a system of masses
Q. 2 D ALEMBERT'S PRINCIPLE - DYNAMIC ANALYSIS IN RECIPROCATING ENGINES
a. reversed effective force
b. net force
c. coriolis force
d. resultant force