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WorksheetsControl system quiz 1
Total questions: 25
Worksheet time: 13mins
A control system consists of a (a) which needs a control program to handle data from sensors.
In a control system, input devices called (a) feed data into the computer.
Computer technology are used to control manufacturing devices like the laser cutting machines.
TRUE
FALSE
A proximity sensor detects
movement
how near or far something is
In a burglar system,the process is
a)the Computer which analyses the data
b)the computer which sends instructions
c)Both a and b options
d)only a option
Which of these is an advantage of a computer control system?
Computer programs do not contain errors.
Computer programs do not need breaks.
Computer can deal with unexpected situations.
Computers are useful to control things because they are
more accurate
respond to changes faster
both the above options
The (a) sensor is used in digital scales.
Computers follow (a) that are programmed into them.
Parking sensors are ____________ sensors in cars that alerts the driver of obstacles.
infra-red
proximity
heat
Computers follow (a) that are programmed into them.
Which of these is not a control system...
Automated car park barrier
Burglar alarm
Door handle
Which of these is used to measure physical quantities such as heat,light and sound?
processor
sensors
control unit
Which of the following sensors is often used to detect a car approaching a traffic light?
sound sensor
light sensor
magnetic sensor
The sequence of instructions written to control an object is known as a
program
processor
sensor
Which of the following components in a control system is responsible for measuring physical quantities such as temperature, pressure, or speed?
Actuator
Sensor
Controller
Processor
What is an open loop control system?
A system that uses feedback to control its output
A system that does not use feedback to control its output
A system that uses both feedback and feedforward control
A system that only uses manual control
In a control system, what is the role of an actuator?
To measure physical quantities
To process data and make decisions
To convert control signals into physical action
To provide feedback to the controller
Which of the following best describes a closed loop control system?
A system that operates without any feedback
A system that uses feedback to adjust its operation
A system that only uses manual adjustments
A system that is always in a steady state
What is one advantage of an open loop control system?
It is more accurate than a closed loop system
It is simpler and less expensive to implement
It can automatically correct errors
It requires less maintenance
Which of the following is a disadvantage of a closed loop control system?
It cannot correct errors automatically
It is more complex and expensive to implement
It does not use feedback
It is less accurate than an open loop system
What is the primary function of a controller in a control system?
To measure physical quantities
To convert control signals into physical action
To process data and make decisions based on feedback
To provide power to the system
Which of the following is a benefit of using a closed loop control system?
It is less expensive to implement
It can automatically correct errors and maintain desired output
It does not require any feedback
It is simpler to design
In a heating system, which component would typically be the sensor?
The thermostat
The heater
The control unit
The fan
Which of the following statements best compares open and closed loop control systems?
Open loop systems are more accurate than closed loop systems
Closed loop systems use feedback to improve accuracy, while open loop systems do not
Open loop systems are more complex and expensive than closed loop systems
Closed loop systems do not require any feedback
