Higher Study | Mechatronics and Robotics

What is the minimum number of operations required, for a microprocessor with 8 data pins, to read a 32-bit word?

ক

1

খ

2

গ

4

ঘ

8

ঙ

None of the above

Consider the following statements regarding modulation : 1. The communication systems, where a weak signal is transmitted by the use of a modulation is essential in carrier signal. 2. When the frequency of the high frequency signal is varied in accordance with the intensity of the low-frequency weak signal, the modulation is said to be frequency modulation. 3. The process of recovering original baseband signal from the modulated signal is called phase modulation. Which of the above statements are correct ?

ক

1 and 3 only

খ

1 and 2 only

গ

2 and 3 only

ঘ

1, 2 and 3

When the 8051 is reset and the line is HIGH, the program counter points to the first program instruction in the

ক

internal code memory

খ

external code memory

গ

internal data memory

ঘ

external data memory

Which of the following statements regarding interface circuit are correct? 1. Electrical buffering is needed when the peripheral operates at a different voltage or current to that on the microprocessor bus system or there are different ground references. 2. Timing control is needed when the data transfer rates of the peripheral and the microprocessor are different. 3. Changing the number of lines is needed when the codes used by the peripherals differ from those used by the microprocessor.

ক

1 and 2 only

খ

1 and 3 only

গ

2 and 3 only

ঘ

1, 2 and 3

Statement (I): The count-up overflow (OV) bit is 1 when the up-counter increments above the maximum positive value. Statement (II): The count-down underflow (UN) bit is 1 when the counter decrements below the minimum negative value.

ক

Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)

খ

Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)

গ

Statement (I) is true but Statement (II) is false

ঘ

Statement (I) is false but Statement (II) is true

Choose the CORRECT condition where the scale of an instrument will be uniform.

ক

Both Deflecting torque varies directly as the deflection angle and Control torque varies directly as the deflection angle

খ

Control torque varies directly as the deflection angle

গ

Deflecting torque varies directly as the deflection angle

ঘ

Damping torque varies directly as the deflection angle

Choose the type of storage reservoir where the liquid is maintained under high pressure.

ক

hydraulic crane

খ

hydraulic pump

গ

hydraulic gear

ঘ

hydraulic accumulator

Consider a system described by ẋ = Ax + Bu y = Cx + Du The system is completely output controllable if and only if Where: x = State vector (n-vector) u = Control vector (r-vector) y = Output vector (m-vector) A = n × n matrix B = n × r matrix C = m × n matrix D = m × r matrix

ক

The matrix [ CB | CBA | CB2A| … | CBn-1 A | D ] is of rank n

খ

The matrix [ CB | CAB | CA2B | … | CAn-1 B | D ] is of rank m

গ

The matrix [ BC | BAC | BA2C | … | BAn-1 C | D ] is of rank m

ঘ

The matrix [ BC | ABC | CA2 B | … | CAn-1 B | D ] is of rank n

A physical implementation of the type declaration in high-level programming languages where major information types should be assigned formats for identification is called

ক

Storage order

খ

Tag

গ

Error correction

ঘ

Error detection

Statement (I): Process control valves are used to control the rate of fluid flow and are used where, perhaps, the rate of flow of a liquid into a tank has to be controlled. Statement (II): A common form of pneumatic actuator used with process control valves is the diaphragm actuator.

ক

Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)

খ

Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)

গ

Statement (I) is true but Statement (II) is false

ঘ

Statement (I) is false but Statement (II) is true

Statement (I): The term ‘encoder’ is used for a device that provides an analog output as a result of angular or linear displacement. Statement (II): An increment encoder detects changes in angular or linear displacement from some datum position where as an absolute encoder gives the actual angular or linear position.

ক

Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)

খ

Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)

গ

Statement (I) is true but Statement (II) is false

ঘ

Statement (I) is false but Statement (II) is true

The Analog-to-Digital conversion process involves : 1. Quantizing 2. Sampling 3. Encoding What is the correct sequence ?

ক

2-1-3

খ

2-3-1

গ

3-1-2

ঘ

3-2-1

A PLC is a computer specially designed to operate reliably under harsh industrial environments such as extreme temperatures, wet, dry, and/or dusty conditions. What is the full form of PLC?

ক

Professional Logic Computer

খ

Professional Logic Controller

গ

Programmable Logic Computer

ঘ

Programmable Logic Controller

What is the full form of BASIC in context of the BASIC computer language?

ক

Beginner’s All-purpose Symbolic Input-output Code

খ

Beginner’s All-purpose Systematic Instruction Code

গ

Beginner’s All-purpose Symbolic Instruction Code

ঘ

Beginner’s All-purpose Symbolic Input Code

What is the program that translates source code into object code called?

ক

Executor

খ

Compiler

গ

Translator

ঘ

Interpreter