Explore topic-wise MCQs in Mechatronics And Robotics.

This section includes 32 Mcqs, each offering curated multiple-choice questions to sharpen your Mechatronics And Robotics knowledge and support exam preparation. Choose a topic below to get started.

1.

During a read operation the CPU fetches _.

A. a program instruction
B. another address
C. data itself
D. all of the above
Answer» E.
Discussion
2.

When the write enable input is not asserted, the gated D latch ______ its output.

A. can not change
B. clears
C. sets
D. complements
Answer» B. clears
Discussion
3.

A 20-bit address bus can locate .

A. 1,048,576 locations
B. 2,097,152 locations
C. 4,194,304 locations
D. 8,388,608 locations
Answer» B. 2,097,152 locations
Discussion
4.

The first microprocessor had a(n) .

A. 1 – bit data bus
B. 2 – bit data bus
C. 4 – bit data bus
D. 8 – bit data bus
Answer» D. 8 – bit data bus
Discussion
5.

The JS is called as

A. jump the signed bit
B. jump single bit
C. jump simple bit
D. jump signal it
Answer» B. jump single bit
Discussion
6.

To interface memory with the microprocessor, connect register the lines of the address busmust be added to address lines of the chip.

A. single
B. memory
C. multiple
D. triple
Answer» C. multiple
Discussion
7.

Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier. (Hint: Construct the truth table for the adder and the multiplier)

A. Circuit A has more gates than circuit B
B. Circuit B has more gates than circuit A
C. Circuit A has the same number of gates as circuit B
D. none
Answer» B. Circuit B has more gates than circuit A
Discussion
8.

Memory is an integral part of a system

A. supercomputer
B. microcomputer
C. mini computer
D. mainframe computer
Answer» C. mini computer
Discussion
9.

The minimum number of transistors required to implement a two input AND gate is

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
Discussion
10.

If m is a power of 2, the number of select lines required for an m-input mux is:

A. m
B. 2^m
C. log2 (m)
D. 2*m
Answer» D. 2*m
Discussion
11.

A Instruction at the end of interrupt service program takes the execution back to theinterrupted program

A. forward
B. return
C. data
D. line
Answer» C. data
Discussion
12.

The 16 bit flag of 8086 microprocessor is responsible to indicate

A. the condition of result of ALU operation
B. the condition of memory
C. the result of addition
D. the result of subtraction
Answer» B. the condition of memory
Discussion
13.

Because we wish to allow each ASCII code to occupy one location in memory, most memories are_____ addressable.

A. BYTE
B. NIBBLE
C. WORD (16 bits)
D. DOUBLEWORD (32 bits)
Answer» B. NIBBLE
Discussion
14.

The CF is known as

A. carry flag
B. condition flag
C. common flag
D. single flag
Answer» B. condition flag
Discussion
15.

Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran. Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.

A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is correct R is wrong
D. A is wrong R is correct
Answer» C. A is correct R is wrong
Discussion
16.

The functions of Pins from 24 to 31 depend on the mode in which is operating

A. 8085
B. 8086
C. 80835
D. 80845
Answer» C. 80835
Discussion
17.

In a C expression using assignment operators, relational operators and arithmetic operators, thehierarchy of operations (in the absence of parenthesis) is

A. assignment, relational, arithmetic
B. relational, assignment, arithmetic
C. arithmetic, assignment, relational
D. arithmetic, relational, assignment
Answer» E.
Discussion
18.

Expansion for HMOS technology_

A. high level mode oxygen semiconductor
B. high level metal oxygen semiconductor
C. high performance medium oxide semiconductor
D. high performance metal oxide semiconductor
Answer» E.
Discussion
19.

Primary function of memory interfacing is that the should be able to read fromand write into register

A. multiprocessor
B. microprocessor
C. dual Processor
D. coprocessor
Answer» C. dual Processor
Discussion
20.

In a computer the data transfer between hard disk and CPU is nearly the same as that betweendiskette and CPU.

A. True
B. False
C. none
D. none
Answer» C. none
Discussion
21.

The Microprocessor places 16 bit address on the add lines from that address byregister should be selected

A. address
B. one
C. two
D. three
Answer» C. two
Discussion
22.

In 8086 the overflow flag is set when .

A. the sum is more than 16 bits.
B. signed numbers go out of their range after an arithmetic operation.
C. carry and sign flags are set.
D. subtraction
Answer» C. carry and sign flags are set.
Discussion
23.

generate interrupt signal to microprocessor and receive acknowledge

A. priority resolver
B. control logic
C. interrupt request register
D. interrupt register
Answer» C. interrupt request register
Discussion
24.

We say that a set of gates is logically complete if we can build any circuit without using any otherkind of gates. Which of the following sets are logically complete

A. set of {AND,OR}
B. set of {EXOR, NOT}
C. set of {AND,OR,NOT}
D. None of the above
Answer» D. None of the above
Discussion
25.

If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negativenumber the result is

A. a larger floating point number
B. a smaller floating point number
C. either (a) or (b) depending on the actual number
D. a negative floating point number
Answer» B. a smaller floating point number
Discussion
26.

The is required to synchronize the internal operands in the processor CLKSignal

A. UR Signal
B. Vcc
C. AIE
D. Ground
Answer» B. Vcc
Discussion
27.

The main concerns of the are to define a flexible set of commands

A. memory interface
B. peripheral interface
C. both (A) and (B)
D. control interface
Answer» B. peripheral interface
Discussion
28.

Consider the situation where a microprocessor gives an output of an 8-bit word. This is fed through an 8-bit digital-to-analog converter to a control valve. The control valve requires 6.0 V being fully open. If the fully open state is indicated by 11111111, the output to the valve for a change of 1-bit will be

A. 0.061 V
B. 0.042 V
C. 0.023 V
D. 0.014 V
Answer» D. 0.014 V
Discussion
29.

Direction: The following question consists of two statements, one labeled as the 'Statement (I)' and the other as 'Statement (II)'. Examine these two statements carefully and select the correct answer. Statement (I): The function of the arithmetic logic unit (ALU) in the microprocessor is to perform data manipulation.Statement (II): The status register is where data for input to the arithmetic and logic unit is temporarily stored.

A. Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
B. Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)
C. Statement (I) is true but Statement (II) is false
D. Statement (I) is false but Statement (II) is true
Answer» D. Statement (I) is false but Statement (II) is true
Discussion
30.

Identify the missing component in the given figure.

A. I / O Port
B. Bus Control
C. Parallel Port
D. Serial Port
Answer» B. Bus Control
Discussion
31.

Consider following 8085 microprocessor programMVI A, DATA1ORA AJM DISPLAYOUT PORT1CMADISPLAY: ADI 01H OT PORT1 HLTIf DATA1 = A7H, the output at PORT1 is

A. A7H
B. 58H
C. 00H
D. 59H
Answer» E.
Discussion
32.

Index register in microprocessor is used for

A. direct addressing
B. address modification
C. pointing to stack
D. loop execution
Answer» C. pointing to stack
Discussion