Structural units of ES

Which of the following is an example of an embedded system?

• A refrigerator
• A desktop PC
• A printer
• A scanner

What is the primary function of a microcontroller?

• To display images
• To execute code
• To generate power
• To heat water

What is the difference between a microcontroller and a microprocessor?

• A microcontroller can function as a standalone device
• A microprocessor is always part of a larger system
• A microcontroller is more powerful than a microprocessor
• A microprocessor can perform real-time processing

What is the purpose of the input/output ports in an embedded system?

• To store data temporarily
• To execute program instructions
• To communicate with other devices
• To perform arithmetic and logical operations

Which of the following memory types is non-volatile in an embedded system?

• Dynamic Random Access Memory (DRAM)
• Static Random Access Memory (SRAM)
• Flash Memory
• None of the above

What is the significance of real-time clock in an embedded system?

• It keeps track of time and date
• It executes program instructions
• It stores data
• It performs complex mathematical calculations

How is an embedded system different from a general-purpose computer?

• An embedded system is designed for a specific task
• A general-purpose computer is always connected to the internet
• An embedded system has more processing power than a general-purpose computer
• A general-purpose computer can only be used for office work

What is the purpose of a watchdog timer in an embedded system?

• A) To turn off the system when it is not in use
• B) To provide a backup power source for the system
• C) To prevent the system from crashing by resetting it if it stops responding
• D) To increase the processing speed of the system

Which of the following is not an example of an input device in an embedded system?

• A) Keyboard
• B) Mouse
• C) Temperature sensor
• D) Speaker

Which of the following is not a structural unit of an embedded system?

• A) Processor
• B) Memory
• C) Input devices
• D) Display devices