Which of the following is not a primary component of an embedded system?
a) Microcontroller
b) Memory
c) Operating System
d) Keyboard
Answer: d
What is the purpose of a watchdog timer in embedded systems?
a) It controls the speed of the processor
b) It monitors system integrity and resets the system if necessary
c) It manages the power consumption of the system
d) It stores critical system data
Answer: b
Which programming language is commonly used for embedded systems development?
a) Java
b) Python
c) C/C++
d) JavaScript
Answer: c
Which of the following is a non-volatile memory type commonly used in embedded systems?
a) SRAM
b) DRAM
c) Flash
d) DDR
Answer: c
What does GPIO stand for in the context of embedded systems?
a) General Purpose Input Output
b) Graphical Processing Input Output
c) Generalized Processing Input Output
d) Graphics Processor Input Output
Answer: a
Which of the following is not a type of embedded system?
a) Real-time embedded system
b) Mobile phones
c) Network routers
d) Desktop computers
Answer: d
Which of the following is a key characteristic of real-time embedded systems?
a) Low power consumption
b) High processing speed
c) Ability to respond to events within a specified time constraint
d) Large memory capacity
Answer: c
What is the role of an interrupt controller in embedded systems?
a) It executes the main program of the system
b) It manages the interrupts generated by peripheral devices
c) It controls the power supply of the system
d) It manages the allocation of memory
Answer: b
Which of the following is not an example of a real-time operating system (RTOS)?
a) Linux
b) FreeRTOS
c) QNX
d) VxWorks
Answer: a
Which communication protocol is commonly used for communication between embedded devices?
a) USB
b) Ethernet
c) SPI
d) HDMI
Answer: c
What is the primary function of an Analog-to-Digital Converter (ADC) in embedded systems?
a) It converts digital signals to analog signals
b) It converts analog signals to digital signals
c) It manages the power supply of the system
d) It stores critical system data
Answer: b
Which of the following is not a characteristic of an embedded system?
a) Real-time operation
b) Limited resources
c) Complex user interface
d) Single-functionality
Answer: c
Which of the following is not a microcontroller manufacturer?
a) Intel
b) ARM
c) Texas Instruments
d) NVIDIA
Answer: d
Which of the following is not an example of an input device in embedded systems?
a) Keyboard
b) Touchscreen
c) Microphone
d) Display
Answer: d
What is the purpose of DMA (Direct Memory Access) in embedded systems?
a) It manages the power supply of the system
b) It controls the execution of the main program
c) It allows peripheral devices to access memory directly without involving the CPU
d) It converts analog signals to digital signals
Answer: c
Which of the following is a characteristic of volatile memory?
a) Retains data even when power is removed
b) Loses data when power is removed
c) Has slower access times compared to non-volatile memory
d) Is used for long-term storage
Answer: b
What is the purpose of a bootloader in embedded systems?
a) It manages the power supply of the system
b) It initializes the hardware and loads the operating system
c) It controls the execution of the main program
d) It converts digital signals to analog signals
Answer: b
Which of the following is not a commonly used microcontroller architecture?
a) ARM
b) AVR
c) MIPS
d) Java
Answer: d
Which of the following is not a characteristic of a real-time operating system?
a) Ability to schedule tasks
b) Ability to meet strict timing requirements
c) Support for multiple user interfaces
d) Support for multitasking
Answer: c
Which of the following is not a commonly used communication interface in embedded systems?
a) UART
b) USB
c) I2C
d) HDMI
Answer: d
Which of the following is a commonly used development tool for embedded systems?
a) Microsoft Word
b) Integrated Development Environment (IDE)
c) Adobe Photoshop
d) Google Chrome
Answer: b
Which of the following is not a characteristic of an embedded system application?
a) Real-time response
b) Large memory footprint
c) Low power consumption
d) Single-functionality
Answer: b
Which of the following is not a commonly used sensor in embedded systems?
a) Temperature sensor
b) Accelerometer
c) GPS receiver
d) Laser printer
Answer: d
Which of the following is not a common programming language used in embedded systems?
a) Python
b) C
c) C++
d) Assembly language
Answer: a
What is the purpose of a timer in embedded systems?
a) It manages the power supply of the system
b) It generates precise time delays and intervals
c) It converts analog signals to digital signals
d) It controls the execution of the main program
Answer: b
Which of the following is not a commonly used debugging technique in embedded systems?
a) Breakpoints
b) Code comments
c) Serial communication
d) LED indicators
Answer: b
Which of the following is not a commonly used input/output interface in embedded systems?
a) SPI
b) USB
c) HDMI
d) UART
Answer: c
What is the role of a Real-Time Clock (RTC) in embedded systems?
a) It manages the power supply of the system
b) It generates accurate time and date information
c) It controls the execution of the main program
d) It converts digital signals to analog signals
Answer: b
Which of the following is not a commonly used memory type in embedded systems?
a) ROM
b) RAM
c) DRAM
d) SATA
Answer: d
What is the purpose of power management techniques in embedded systems?
a) To increase power consumption
b) To reduce power consumption
c) To increase heat generation
d) To increase system complexity
Answer: b
Which of the following is not a commonly used development board for embedded systems?
a) Arduino
b) Raspberry Pi
c) BeagleBone
d) Intel Core i7
Answer: d
Which of the following is not a commonly used bus protocol in embedded systems?
a) SPI
b) I2C
c) USB
d) SATA
Answer: d
Which of the following is not a commonly used peripheral device in embedded systems?
a) LCD display
b) Touchscreen
c) Optical mouse
d) Inkjet printer
Answer: d
What is the primary function of an operating system in embedded systems?
a) To manage the power supply of the system
b) To control the execution of the main program
c) To provide an interface between hardware and software
d) To convert digital signals to analog signals
Answer: c
Which of the following is not a commonly used communication protocol for wireless communication in embedded systems?
a) Bluetooth
b) Wi-Fi
c) Ethernet
d) Zigbee
Answer: c
What is the purpose of a Real-Time Operating System (RTOS) in embedded systems?
a) To provide support for real-time scheduling and execution
b) To manage the power supply of the system
c) To convert digital signals to analog signals
d) To provide support for graphical user interfaces
Answer: a
Which of the following is not a commonly used sensor interface in embedded systems?
a) I2C
b) UART
c) SPI
d) VGA
Answer: d
What is the role of a bootloader in embedded systems?
a) It manages the power supply of the system
b) It initializes the hardware and loads the operating system
c) It controls the execution of the main program
d) It converts digital signals to analog signals
Answer: b
Which of the following is not a commonly used development tool for embedded systems?
a) Integrated Development Environment (IDE)
b) Logic analyzer
c) Microsoft Excel
d) Oscilloscope
Answer: c
What is the purpose of an I2C bus in embedded systems?
a) To provide high-speed data transfer
b) To provide a synchronous serial communication interface
c) To provide a multi-master, multi-slave communication interface
d) To provide a low-speed data transfer
Answer: c
Which of the following is not a commonly used debugging technique in embedded systems?
a) Breakpoints
b) Code comments
c) Serial communication
d) LED indicators
Answer: b
What is the purpose of a power supply unit in embedded systems?
a) To manage the power supply of the system
b) To control the execution of the main program
c) To convert digital signals to analog signals
d) To manage the temperature of the system
Answer: a
Which of the following is not a commonly used memory type in embedded systems?
a) ROM
b) RAM
c) DRAM
d) SATA
Answer: d
What is the purpose of a Real-Time Clock (RTC) in embedded systems?
a) It manages the power supply of the system
b) It generates accurate time and date information
c) It controls the execution of the main program
d) It converts digital signals to analog signals
Answer: b
Which of the following is not a commonly used development board for embedded systems?
a) Arduino
b) Raspberry Pi
c) BeagleBone
d) Intel Core i7
Answer: d
Which of the following is not a commonly used bus protocol in embedded systems?
a) SPI
b) I2C
c) USB
d) SATA
Answer: d
Which of the following is not a commonly used peripheral device in embedded systems?
a) LCD display
b) Touchscreen
c) Optical mouse
d) Inkjet printer
Answer: d
What is the primary function of an operating system in embedded systems?
a) To manage the power supply of the system
b) To control the execution of the main program
c) To provide an interface between hardware and software
d) To convert digital signals to analog signals
Answer: c
Which of the following is not a commonly used communication protocol for wireless communication in embedded systems?
a) Bluetooth
b) Wi-Fi
c) Ethernet
d) Zigbee
Answer: c
What is the purpose of a Real-Time Operating System (RTOS) in embedded systems?
a) To provide support for real-time scheduling and execution
b) To manage the power supply of the system
c) To convert digital signals to analog signals
d) To provide support for graphical user interfaces
Answer: a
