Electrical Input & Output Characteristics

What is an example of an input device?

• Keyboard
• Monitor
• Printer
• Speaker

What is an example of an output device?

• Scanner
• Mouse
• Speaker
• Joystick

Which of the following is both an input and output device?

• Keyboard
• Monitor
• Touchscreen
• Printer

What component is typically built into a microcontroller?

• RAM
• ROM
• I/O ports
• All of the above

What is the main function of a sensor in a microcontroller system?

• Convert electrical signals to physical output
• Convert physical input to electrical signals
• Store data
• Process data

What type of signal does an analogue sensor produce?

• Digital signal
• Binary signal
• Proportional signal
• Rail signal

Which port is used to connect an analogue sensor to a microcontroller?

• Digital input port
• Analogue input port
• Output port
• Power port

What is the purpose of a DAC in a microcontroller?

• Convert analogue signals to digital
• Convert digital signals to analogue
• Store data
• Process data

What is the purpose of an antistatic wrist strap?

• To protect against electromagnetic interference
• To reduce the risk of ESD damage
• To improve signal quality
• To increase processing speed

What is a transducer?

• A device that processes data
• A device that converts one form of energy to another
• A device that stores data
• A device that connects to the internet