EMBEDDED SYSTEMS MIDTERM QUIZZES REVIEW (except for ESSAY)

TRUE

<Even-triggered> embedded system consists of activities within the system that are dynamic and depend upon occurrence of different events.

TRUE

<Evolvability> refers to ease with which the embedded product can be modified to take advantage of new firmware or hardware technology.

FALSE, SERIAL COMMUNICATION

<Parallel communication> method is more suitable for transferring data over long distances in embedded systems.

FALSE, SERIAL INPUT/OUTPUT

<Parallel input/output> is a versatile and widely used method of communication in embedded systems due to its simplicity, versatility, and ability to support a wide range of data rates and devices

FALSE, UART (UNIVERSAL ASYNCHRONOUS RECEIVER-TRANSMITTER)

<SPI (Serial Peripheral Interface)> converts the bytes received from computer along parallel circuits into a single serial bit stream for outgoing transmissions.

FALSE, PARALLEL I/O INTERFACES

<Serial I/O interfaces> , such as parallel buses, are well-suited for DMA operations, enabling efficient data transfers without CPU intervention.

TRUE

A <system> is an arrangement in which all its unit assemble work together according to a set of rules.

IEEE 488-1975

A standard interface for connecting test and measurement devices such as oscilloscopes, multimeters, and signal generators.

Serial communication is primarily used for short-distance communication.

A statement is true about serial communication in embedded systems?

Synchronous serial communication

A type of serial communication is commonly used in applications where data integrity and timing precision are critical, such as audio and video streaming?

Digital hearing aid

A typical example of an embedded system employing data processing.

GPS navigation system

An example of an automotive embedded system.

FALSE, DOES NOT

Control Ares Network Bus <does> include a clock in the data transmission.

TRUE

Defining system requirements <first step> in the design process of embedded systems.

Permanent software programmed into the system

In an embedded system, what does the term "firmware" refer to?

A USB (Universal Serial Bus)

In embedded systems, what device is commonly used for serial output to transmit data to a computer or other external devices over a wired connection?

A UART (Universal Asynchronous Receiver-Transmitter)

In embedded systems, which device is commonly used for serial output to communicate with ESP32, or GPS modules or other location-based sensors?

FALSE, 8

In parallel communication, <4> data lines are used to transmit data simultaneously.

To synchronize the timing of data transmission between sender and receiver.

In synchronous serial communication, what is the purpose of the clock signal?

Bits

In synchronous serial communication, what is the term used for the individual pieces of data that are transmitted one after another?

1970s

In the history of embedded systems, which decade saw the emergence of the first microcontroller?

An SPI flash memory chip

Is a device commonly used for parallel input and output in embedded systems to interface with external memory storage?

Simplicity of implementation

Is one of the advantages of serial communication over parallel communication in embedded systems.

I2C (Inter-Integrated Circuit)

It is often used for connecting multiple it suitable for sensor networks and peripherals.

FALSE, FOURTH GENERATION

It was in the third generation when the embedded systems was first built around System on Chips (SoC's), reconfigurable processors and multicore processors.

FALSE, STAND-ALONE EMBEDDED SYSTEM

MP3 player is an example of a <real-time embedded system> that gives the required output in a defined time interval.

TRUE

Microcontroller common hardware component in many embedded systems.

TRUE

Parallel I/O <allows> or seamless integration with older equipment without the need for complex signal conversion.

FALSE, ARE NOT TIME CRITICAL

Response requirements for General Purpose Computing System <are time critical>.

TRUE

Serial communication <allows> for remote control and configuration of embedded systems. This is valuable in applications like remote monitoring and industrial automation.

TRUE

The commonly used for connecting peripherals like keyboards and mice to a computer is <USB (Universal Serial Bus)>.

FALSE, SYSTEM INTEGRATION

The components put together and to see how the system works is called <debugging>.

Half-duplex

The direction of data transmission alternates, so that the system would be able to receive or transmit, but not both at the same time.

FALSE, RELIABILITY

The measure of how much percentage you rely upon the proper functioning of the system is reffered to as <Throughput>.

TRUE

The need for a shared clock signal is a common <drawback> of synchronous serial communication in comparison to asynchronous communication.

PCI (Peripheral Component Interface)

This is a standard bus architecture used for connecting expansion cards and peripherals to desktop computers and servers.

A character LCD display

What is an example of parallel output-multi bit in embedded systems?

Size and form factor

What is the main characteristic that distinguishes an embedded system from a general-purpose computer?

They are optimized for a single, specific task.

What is the primary characteristic of embedded systems?

To process data and control external devices

What is the primary function of the hardware component in an embedded system?

It enables the system to perform its designated function effectively.

What is the significance of the hardware and software components working in harmony in an embedded system?

Fixed and not easily modified

What is the typical characteristic of the hardware configuration of embedded systems?

Autonomous embedded systems

What type of embedded system is commonly found in household appliances like microwave ovens?

Creating a working model or early version of the system

Which in the design process, what does the term "prototyping" refer to?

Real-time operation

Which of the following is a critical requirement for many embedded systems, where they must respond to external events within specific time constraints?

GPIO (General Purpose Input Output)

Which of the following is an example of parallel input and output in embedded systems used for interfacing with external memory devices?

Pulse-width modulation (PWM)

Which of the following is common example of parallel input and output used in embedded systems for motor control applications?

Security

Which operational attribute becomes increasingly important as embedded systems become more connected to networks and the internet?

To reduce production costs

Why do embedded systems often have limited resources like processing power, memory, and shortage?

Desktop computer

is NOT an example of an embedded system?