Embedded Systems and RTOS Quiz

What is the primary function of a Watchdog Timer in embedded systems?

• To manage memory allocation

• To monitor firmware execution and reset the system if it hangs

• To provide real-time clock functionality

• To facilitate communication between devices

Which of the following is a characteristic of the I2C bus?

• It is a full duplex communication protocol

• It requires four signal lines for communication

• It is a point-to-point communication interface

• It supports multiple master devices on the same bus

What does the acronym RTOS stand for?

• Real-Time Optimization System

• Remote Task Operating System

• Rapid Task Operating System

• Real-Time Operating System

Which of the following is NOT a structural unit in an embedded processor?

• Arithmetic Logic Unit

• Control Unit

• Watchdog Timer

• Memory Management Unit

What is the purpose of Direct Memory Access (DMA)?

• To manage memory allocation for applications

• To transfer data without CPU intervention

• To synchronize tasks in real-time systems

• To allow the CPU to access memory directly

Which protocol is primarily used for communication in automotive systems?

• RS-232

• SPI

• I2C

• CAN

What is the main advantage of using a Real-Time Clock (RTC) in embedded systems?

• It provides high-speed data processing

• It facilitates communication between multiple devices

• It keeps track of time even when the system is powered off

• It manages memory allocation efficiently

Which of the following is a feature of the SPI bus?

• It is a synchronous bi-directional full duplex interface

• It allows multiple master devices to communicate simultaneously

• It uses two signal lines for communication

• It is a half duplex communication protocol

What is the role of a Device Driver in an embedded system?

• To monitor system performance

• To execute real-time tasks

• To provide a software interface to hardware devices

• To manage power consumption

Which of the following is a method for managing memory in embedded processors?

• Dynamic page allocation

• Static memory allocation

• Fixed block allocation

• Both A and C