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This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on Mechatronics Set 9

Q1 | How many coils are required to make LVDT?
  • 4
  • 6
  • 3
  • 2
Q2 | A chemical transduction system is interfaced to the optical fibre at its end. This type of sensor is called?
  • chemical sensor
  • thermal sensor
  • photoelectric sensor
  • light sensor
Q3 | The register that may be used as an operand register is
  • accumulator
  • b register
  • data register
  • accumulator and b register
Q4 | The register that can be used as a scratch pad is
  • accumulator
  • b register
  • data register
  • accumulator and b register
Q5 | Which of the processor’s stack does not contain the top-down data structure?
  • 8086
  • 80286
  • 8051
  • 80386
Q6 | The architecture of 8051 consists of
  • 4 latches
  • 2 timer registers
  • 4 on-chip i/o ports
  • all of the mentioned
Q7 | The transmit buffer of serial data buffer is a
  • serial-in parallel-out register
  • parallel-in serial-out register
  • serial-in serial-out register
  • parallel-in parallel-out register
Q8 | The receive buffer of serial data buffer is a
  • serial-in parallel-out register
  • parallel-in serial-out register
  • serial-in serial-out register
  • parallel-in parallel-out register
Q9 | The register that provides control and status information about counters is
  • ip
  • tmod
  • tscon
  • pcon
Q10 | The register that provides control and status information about serial port is
  • ip
  • ie
  • tscon
  • pcon and scon
Q11 | The device that generates the basic timing clock signal for the operation of the circuit using crystal oscillator is
  • timing unit
  • timing and control unit
  • oscillator
  • clock generator
Q12 | The registers that are not accessible by the user are
  • accumulator and b register
  • ip and ie
  • instruction registers
  • tmp1 and tmp2
Q13 | In which of these modes, the immediate operand is included in the instruction itself?
  • register operand mode
  • immediate operand mode
  • register and immediate operand mode
  • none of the mentioned
Q14 | In register address mode, the operand is stored in
  • 8-bit general purpose register
  • 16-bit general purpose register
  • si or di
  • all of the mentioned
Q15 | In which of the following addressing mode, the offset is obtained by adding displacement and contents of one of the base registers?
  • direct mode
  • register mode
  • based mode
  • indexed mode
Q16 | In which of the following addressing mode, the offset is obtained by adding displacement, with the contents of SI?
  • direct mode
  • register mode
  • based mode
  • indexed mode
Q17 | 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
  • based indexed mode with displacement
  • based indexed mode
  • based mode
  • indexed mode
Q18 | Which of the following is not a data type of 80286?
  • ordinal or unsigned
  • ascii
  • packed bcd
  • none of the mentioned
Q19 | The representation of 8-bit or 16-bit signed binary operands using 2’s complement is a data type of
  • ordinal
  • ascii
  • packed bcd
  • integer
Q20 | The instruction that pushes the general purpose registers, pointer and index registers on to the stack is
  • popf
  • push imd
  • push*a
  • pushf
Q21 | While executing the PUSH*A instruction, the stack pointer is decremented by
  • 1 bit
  • 2 bits
  • 4 bits
  • 16 bits
Q22 | The statement that is true for the instruction POP*A is
  • flags are unaffected
  • no operands are required
  • exceptions generated are same as that of push*a
  • all of the mentioned
Q23 | The instruction that multiplies the content of AL with a signed immediate operand is
  • mul
  • smul
  • imul
  • none of the mentioned
Q24 | The instruction that represents the ‘rotate source, count’ is
  • rcl
  • rcr
  • ror
  • all of the mentioned
Q25 | 8051 microcontrollers are manufactured by which of the following companies?
  • atmel
  • philips
  • intel
  • all of the mentioned