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2 years ago

Moving images of real event

Computers and Technology

2 answers:

baherus [9]2 years ago

8 0

Answer:

What

Explanation:

BaLLatris [955]2 years ago

5 0

Answer:

A film, also called a movie, motion picture or moving picture, is a work of visual art used to simulate experiences that communicate ideas, stories, perceptions, feelings, beauty, or atmosphere through the use of moving images.

Explanation:

<h2>An image which has, or is created to give the impression of, movement; (in 20th century) specifically = "moving picture"; (also, especially with the) the art form or industry of cinema, television, and video. <u>or gif</u> </h2>

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Qbasic program to check whether an entered number is positive or negative or neutral

igor_vitrenko [27]

Answer:

CLS

INPUT "Enter a number: ",N

IF N > 0 THEN

PRINT "The number is Positive."

ELSEIF N < 0 THEN

PRINT "The number is Negative."

ELSE

PRINT "The number is Zero."

END IF

END

7 0

3 years ago

When working with arrays, most programming languages perform ________, which means they do not allow programs to use invalid sub

Allisa [31]

Answer:

The answer is "Option 2"

Explanation:

In the given question the answer is "array bounds checking", It Checks the limits by providing a way, that Specifies whether a value is inside those limits has been used. It is a variable, that falls into a given class or function called as an array index of array, that's why all option are wrong, that is explained as follows:

In option 1, It uses provides security, that's why it is wrong.

In option 3, It works on the bits, that's why it is not correct.

In option 4, It uses two thing that is "array bound checks and sub-script of bond", that's why it is wrong.

8 0

3 years ago

A file is to be shared among different processes, each of which has a unique number. The file can beaccessed simultaneously by s

Finger [1]

Answer:

int sumid=0; /* Shared var that contains the sum of the process ids currently accessing the file */

int waiting=0; /* Number of process waiting on the semaphore OkToAccess */

semaphore mutex=1; /* Our good old Semaphore variable ;) */

semaphore OKToAccess=0; /* The synchronization semaphore */

get_access(int id)

{

sem_wait(mutex);

while(sumid+id > n) {

waiting++;

sem_signal(mutex);

sem_wait(OKToAccess);

sem_wait(mutex);

}

sumid += id;

sem_signal(mutex);

}

release_access(int id)

{

int i;

sem_wait(mutex);

sumid -= id;

for (i=0; i < waiting;++i) {

sem_signal(OKToAccess);

}

waiting = 0;

sem_signal(mutex);

}

main()

{

get_access(id);

do_stuff();

release_access(id);

}

Some points to note about the solution:

release_access wakes up all waiting processes. It is NOT ok to wake up the first waiting process in this problem --- that process may have too large a value of id. Also, more than one process may be eligible to go in (if those processes have small ids) when one process releases access.

woken up processes try to see if they can get in. If not, they go back to sleep.

waiting is set to 0 in release_access after the for loop. That avoids unnecessary signals from subsequent release_accesses. Those signals would not make the solution wrong, just less efficient as processes will be woken up unnecessarily.

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3 years ago

A technician installs a new WAP and users in the area begin to report poor performance. The technician uses a ping and only 3 of

krek1111 [17]

Answer: the correct answer is D. Spectrum Analyzer tool

Explanation:

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3 years ago

How to represent derived attributes in database?

Vlad1618 [11]

Answer:

Derived attribute can be defined as a type of attribute where its value will be derived from one or more of the other attributes of the same entity set.

Explanation:

An example of derived attribute is when we have an entity set called General. The set then has attributes like [Form], [Characteristics], [Address}, (Employment No).

(Employment No) which is represented distinctly in the attribute set can be called a derived attribute if it can be derived from one or more of the other attributes.

Derived attribute can be gotten through calculating values and not storing values.

For example, let us consider the following record of Teachers records;

(‘Teacher Number’, ‘Name’, ’Date of Birth’, Age today)

(‘E105’, ‘Samson’, ’07-Dec-1990’, 0)

This record shows that the teacher Samson was born on 7th of December, 1990. At the time of record insertion, he was born and 0 years old. What will be the value of his age on ’07-Dec-2000’? It is about 10 years. It clearly shows that the value is not fixed and it is a variable whenever the DOB is adjusted.

Therefore, we are not creating our table with derived attributes in it. Instead, the values ofderived attributes can be calculated at the time of retrieval and shown to the user. Hence, the record will look like as follows;

(‘E105’, ‘Samson’, ’07-Dec-1990’)

This means that 0 is a derived attribute from the Date of birth.

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3 years ago

Moving images of real event​

Moving images of real event