Embedded Systems Online Test

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The Embedded Systems test assesses candidates' knowledge of hardware used for embedded systems together with software needed to run it.

It's an ideal test for pre-employment screening. A good embedded systems/software engineer needs to know how to design, develop, test, and maintain embedded systems. They need to be familiar with hardware used for embedded systems, technologies used for connecting embedded devices and know how to develop software required to run the system.

This online test requires candidates to answer multiple-choice and fill the blanks questions about hardware used in embedded devices, network protocols, and software used in embedded applications.

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Free Sample Questions for Embedded Systems Test

Our sample questions are free for companies to use on a trial plan. See more about our premium questions for paid plans below.

Bluetooth

3min
  -  
Easy 
  -  
MCA

Embedded Systems Wireless connection Public New

A car company plans to extend its car computer system to offer Bluetooth connectivity with the owner's mobile phone.

Select all correct statements about the properties of such a connection.

(Select all acceptable answers.)

Packet Distribution

5min
  -  
Easy 
  -  
MCA

Embedded Systems Critical section Mutex Semaphore Public New

The following part of the C code distributes packets from the input track to the output track:

void* take_and_put(void *arg)
{
    sem_wait(&semaphore);
    take();
    sem_post(&semaphore);

    pthread_mutex_lock(&mutex);
    put();
    pthread_mutex_unlock(&mutex);

    return NULL;
}

Where semaphore and mutex are initialized with:

// int sem_init(sem_t *sem, int pshared, unsigned int value);
sem_init(&semaphore, 0, 3);
// int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr);
pthread_mutex_init(&mutex, NULL);

If the function take_and_put is repeatedly called by a large number of threads, select correct statements about the take_and_put function.

(Select all acceptable answers.)

Digital Circuit

10min
  -  
Easy 
  -  
FILL

Embedded Systems Boolean function Logic gates Public New

You have a component which should be used as part of a signal processing device. It has four input pins, one output pin, and three slots where you can insert logical gates:

The component should have the following truth table:

In Out
A B C D E
0 0 0 0 0
0 0 0 1 0
0 0 1 0 0
0 0 1 1 0
0 1 0 0 0
0 1 0 1 1
0 1 1 0 1
0 1 1 1 0
1 0 0 0 0
1 0 0 1 1
1 0 1 0 1
1 0 1 1 0
1 1 0 0 0
1 1 0 1 0
1 1 1 0 0
1 1 1 1 0

 

Choose appropriate logic gates for the component's slots to achieve the required truth table.

1st slot: __ gate

2nd slot: __ gate

3rd slot: __ gate

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Premium Questions for Embedded Systems Test

TestDome offers a premium questions library with 1000+ unique, hand-crafted questions whose answers can’t be found online. If you spot an answer somewhere online, we’ll give you a refund.

Question Names

These premium questions are included in this pre-built test and can be added to any multi-skill test. Please sign up for a paid plan to view the questions in detail.

Storing Data, Smart Home, Water Level Sensor, USB, Full Adder
Covered Skills

Testing of these skills is covered in this pre-built test because they’re closely related. On our paid plan, you can easily create your own custom multi-skill tests.

Embedded Systems Endianness Number system conversion IoT Wireless connection Memory management Stack memory allocation Computer bus Wired connection Boolean function Logic gates
Recommended Job Roles

These are the job roles that we recommend for the Embedded Systems online test.

Embedded Software Engineer
Embedded Systems Engineer

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